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Sweden-Number/dlls/kernel32/sync.c

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/*
* Kernel synchronization objects
*
* Copyright 1998 Alexandre Julliard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/port.h"
#include <string.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <errno.h>
#include <stdarg.h>
#include <stdio.h>
#include "ntstatus.h"
#define WIN32_NO_STATUS
#define NONAMELESSUNION
#include "windef.h"
#include "winbase.h"
#include "winerror.h"
#include "winnls.h"
#include "winternl.h"
#include "winioctl.h"
#include "ddk/wdm.h"
#include "wine/library.h"
#include "wine/unicode.h"
#include "kernel_private.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(sync);
/* check if current version is NT or Win95 */
static inline BOOL is_version_nt(void)
{
return !(GetVersion() & 0x80000000);
}
/* returns directory handle to \\BaseNamedObjects */
static HANDLE get_BaseNamedObjects_handle(void)
{
static HANDLE handle = NULL;
static const WCHAR basenameW[] = {'\\','S','e','s','s','i','o','n','s','\\','%','u',
'\\','B','a','s','e','N','a','m','e','d','O','b','j','e','c','t','s',0};
WCHAR buffer[64];
UNICODE_STRING str;
OBJECT_ATTRIBUTES attr;
if (!handle)
{
HANDLE dir;
sprintfW( buffer, basenameW, NtCurrentTeb()->Peb->SessionId );
RtlInitUnicodeString( &str, buffer );
InitializeObjectAttributes(&attr, &str, 0, 0, NULL);
NtOpenDirectoryObject(&dir, DIRECTORY_CREATE_OBJECT|DIRECTORY_TRAVERSE,
&attr);
if (InterlockedCompareExchangePointer( &handle, dir, 0 ) != 0)
{
/* someone beat us here... */
CloseHandle( dir );
}
}
return handle;
}
static void get_create_object_attributes( OBJECT_ATTRIBUTES *attr, UNICODE_STRING *nameW,
SECURITY_ATTRIBUTES *sa, const WCHAR *name )
{
attr->Length = sizeof(*attr);
attr->RootDirectory = 0;
attr->ObjectName = NULL;
attr->Attributes = OBJ_OPENIF | ((sa && sa->bInheritHandle) ? OBJ_INHERIT : 0);
attr->SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
attr->SecurityQualityOfService = NULL;
if (name)
{
RtlInitUnicodeString( nameW, name );
attr->ObjectName = nameW;
attr->RootDirectory = get_BaseNamedObjects_handle();
}
}
static BOOL get_open_object_attributes( OBJECT_ATTRIBUTES *attr, UNICODE_STRING *nameW,
BOOL inherit, const WCHAR *name )
{
if (!name)
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
RtlInitUnicodeString( nameW, name );
InitializeObjectAttributes( attr, nameW, inherit ? OBJ_INHERIT : 0,
get_BaseNamedObjects_handle(), NULL );
return TRUE;
}
/* helper for kernel32->ntdll timeout format conversion */
static inline PLARGE_INTEGER get_nt_timeout( PLARGE_INTEGER pTime, DWORD timeout )
{
if (timeout == INFINITE) return NULL;
pTime->QuadPart = (ULONGLONG)timeout * -10000;
return pTime;
}
/***********************************************************************
* Sleep (KERNEL32.@)
*/
VOID WINAPI DECLSPEC_HOTPATCH Sleep( DWORD timeout )
{
SleepEx( timeout, FALSE );
}
/******************************************************************************
* SleepEx (KERNEL32.@)
*/
DWORD WINAPI SleepEx( DWORD timeout, BOOL alertable )
{
NTSTATUS status;
LARGE_INTEGER time;
status = NtDelayExecution( alertable, get_nt_timeout( &time, timeout ) );
if (status == STATUS_USER_APC) return WAIT_IO_COMPLETION;
return 0;
}
/***********************************************************************
* SwitchToThread (KERNEL32.@)
*/
BOOL WINAPI SwitchToThread(void)
{
return (NtYieldExecution() != STATUS_NO_YIELD_PERFORMED);
}
/***********************************************************************
* WaitForSingleObject (KERNEL32.@)
*/
DWORD WINAPI WaitForSingleObject( HANDLE handle, DWORD timeout )
{
return WaitForMultipleObjectsEx( 1, &handle, FALSE, timeout, FALSE );
}
/***********************************************************************
* WaitForSingleObjectEx (KERNEL32.@)
*/
DWORD WINAPI WaitForSingleObjectEx( HANDLE handle, DWORD timeout,
BOOL alertable )
{
return WaitForMultipleObjectsEx( 1, &handle, FALSE, timeout, alertable );
}
/***********************************************************************
* WaitForMultipleObjects (KERNEL32.@)
*/
DWORD WINAPI WaitForMultipleObjects( DWORD count, const HANDLE *handles,
BOOL wait_all, DWORD timeout )
{
return WaitForMultipleObjectsEx( count, handles, wait_all, timeout, FALSE );
}
static HANDLE normalize_handle_if_console(HANDLE handle)
{
if ((handle == (HANDLE)STD_INPUT_HANDLE) ||
(handle == (HANDLE)STD_OUTPUT_HANDLE) ||
(handle == (HANDLE)STD_ERROR_HANDLE))
handle = GetStdHandle( HandleToULong(handle) );
/* yes, even screen buffer console handles are waitable, and are
* handled as a handle to the console itself !!
*/
if (is_console_handle(handle))
{
if (VerifyConsoleIoHandle(handle))
handle = GetConsoleInputWaitHandle();
}
return handle;
}
/***********************************************************************
* WaitForMultipleObjectsEx (KERNEL32.@)
*/
DWORD WINAPI WaitForMultipleObjectsEx( DWORD count, const HANDLE *handles,
BOOL wait_all, DWORD timeout,
BOOL alertable )
{
NTSTATUS status;
HANDLE hloc[MAXIMUM_WAIT_OBJECTS];
LARGE_INTEGER time;
unsigned int i;
if (count > MAXIMUM_WAIT_OBJECTS)
{
SetLastError(ERROR_INVALID_PARAMETER);
return WAIT_FAILED;
}
for (i = 0; i < count; i++)
hloc[i] = normalize_handle_if_console(handles[i]);
status = NtWaitForMultipleObjects( count, hloc, !wait_all, alertable,
get_nt_timeout( &time, timeout ) );
if (HIWORD(status)) /* is it an error code? */
{
SetLastError( RtlNtStatusToDosError(status) );
status = WAIT_FAILED;
}
return status;
}
/***********************************************************************
* RegisterWaitForSingleObject (KERNEL32.@)
*/
BOOL WINAPI RegisterWaitForSingleObject(PHANDLE phNewWaitObject, HANDLE hObject,
WAITORTIMERCALLBACK Callback, PVOID Context,
ULONG dwMilliseconds, ULONG dwFlags)
{
NTSTATUS status;
TRACE("%p %p %p %p %d %d\n",
phNewWaitObject,hObject,Callback,Context,dwMilliseconds,dwFlags);
hObject = normalize_handle_if_console(hObject);
status = RtlRegisterWait( phNewWaitObject, hObject, Callback, Context, dwMilliseconds, dwFlags );
if (status != STATUS_SUCCESS)
{
SetLastError( RtlNtStatusToDosError(status) );
return FALSE;
}
return TRUE;
}
/***********************************************************************
* RegisterWaitForSingleObjectEx (KERNEL32.@)
*/
HANDLE WINAPI RegisterWaitForSingleObjectEx( HANDLE hObject,
WAITORTIMERCALLBACK Callback, PVOID Context,
ULONG dwMilliseconds, ULONG dwFlags )
{
NTSTATUS status;
HANDLE hNewWaitObject;
TRACE("%p %p %p %d %d\n",
hObject,Callback,Context,dwMilliseconds,dwFlags);
hObject = normalize_handle_if_console(hObject);
status = RtlRegisterWait( &hNewWaitObject, hObject, Callback, Context, dwMilliseconds, dwFlags );
if (status != STATUS_SUCCESS)
{
SetLastError( RtlNtStatusToDosError(status) );
return NULL;
}
return hNewWaitObject;
}
/***********************************************************************
* UnregisterWait (KERNEL32.@)
*/
BOOL WINAPI UnregisterWait( HANDLE WaitHandle )
{
NTSTATUS status;
TRACE("%p\n",WaitHandle);
status = RtlDeregisterWait( WaitHandle );
if (status != STATUS_SUCCESS)
{
SetLastError( RtlNtStatusToDosError(status) );
return FALSE;
}
return TRUE;
}
/***********************************************************************
* UnregisterWaitEx (KERNEL32.@)
*/
BOOL WINAPI UnregisterWaitEx( HANDLE WaitHandle, HANDLE CompletionEvent )
{
NTSTATUS status;
TRACE("%p %p\n",WaitHandle, CompletionEvent);
status = RtlDeregisterWaitEx( WaitHandle, CompletionEvent );
if (status != STATUS_SUCCESS) SetLastError( RtlNtStatusToDosError(status) );
return !status;
}
/***********************************************************************
* SignalObjectAndWait (KERNEL32.@)
*
* Makes it possible to atomically signal any of the synchronization
* objects (semaphore, mutex, event) and wait on another.
*/
DWORD WINAPI SignalObjectAndWait( HANDLE hObjectToSignal, HANDLE hObjectToWaitOn,
DWORD dwMilliseconds, BOOL bAlertable )
{
NTSTATUS status;
LARGE_INTEGER timeout;
TRACE("%p %p %d %d\n", hObjectToSignal,
hObjectToWaitOn, dwMilliseconds, bAlertable);
status = NtSignalAndWaitForSingleObject( hObjectToSignal, hObjectToWaitOn, bAlertable,
get_nt_timeout( &timeout, dwMilliseconds ) );
if (HIWORD(status))
{
SetLastError( RtlNtStatusToDosError(status) );
status = WAIT_FAILED;
}
return status;
}
/***********************************************************************
* InitializeCriticalSection (KERNEL32.@)
*
* Initialise a critical section before use.
*
* PARAMS
* crit [O] Critical section to initialise.
*
* RETURNS
* Nothing. If the function fails an exception is raised.
*/
void WINAPI InitializeCriticalSection( CRITICAL_SECTION *crit )
{
InitializeCriticalSectionEx( crit, 0, 0 );
}
/***********************************************************************
* InitializeCriticalSectionAndSpinCount (KERNEL32.@)
*
* Initialise a critical section with a spin count.
*
* PARAMS
* crit [O] Critical section to initialise.
* spincount [I] Number of times to spin upon contention.
*
* RETURNS
* Success: TRUE.
* Failure: Nothing. If the function fails an exception is raised.
*
* NOTES
* spincount is ignored on uni-processor systems.
*/
BOOL WINAPI InitializeCriticalSectionAndSpinCount( CRITICAL_SECTION *crit, DWORD spincount )
{
return InitializeCriticalSectionEx( crit, spincount, 0 );
}
/***********************************************************************
* InitializeCriticalSectionEx (KERNEL32.@)
*
* Initialise a critical section with a spin count and flags.
*
* PARAMS
* crit [O] Critical section to initialise.
* spincount [I] Number of times to spin upon contention.
* flags [I] CRITICAL_SECTION_ flags from winbase.h.
*
* RETURNS
* Success: TRUE.
* Failure: Nothing. If the function fails an exception is raised.
*
* NOTES
* spincount is ignored on uni-processor systems.
*/
BOOL WINAPI InitializeCriticalSectionEx( CRITICAL_SECTION *crit, DWORD spincount, DWORD flags )
{
NTSTATUS ret = RtlInitializeCriticalSectionEx( crit, spincount, flags );
if (ret) RtlRaiseStatus( ret );
return !ret;
}
/***********************************************************************
* MakeCriticalSectionGlobal (KERNEL32.@)
*/
void WINAPI MakeCriticalSectionGlobal( CRITICAL_SECTION *crit )
{
/* let's assume that only one thread at a time will try to do this */
HANDLE sem = crit->LockSemaphore;
if (!sem) NtCreateSemaphore( &sem, SEMAPHORE_ALL_ACCESS, NULL, 0, 1 );
crit->LockSemaphore = ConvertToGlobalHandle( sem );
RtlFreeHeap( GetProcessHeap(), 0, crit->DebugInfo );
crit->DebugInfo = NULL;
}
/***********************************************************************
* ReinitializeCriticalSection (KERNEL32.@)
*
* Initialise an already used critical section.
*
* PARAMS
* crit [O] Critical section to initialise.
*
* RETURNS
* Nothing.
*/
void WINAPI ReinitializeCriticalSection( CRITICAL_SECTION *crit )
{
if ( !crit->LockSemaphore )
RtlInitializeCriticalSection( crit );
}
/***********************************************************************
* UninitializeCriticalSection (KERNEL32.@)
*
* UnInitialise a critical section after use.
*
* PARAMS
* crit [O] Critical section to uninitialise (destroy).
*
* RETURNS
* Nothing.
*/
void WINAPI UninitializeCriticalSection( CRITICAL_SECTION *crit )
{
RtlDeleteCriticalSection( crit );
}
/***********************************************************************
* CreateEventA (KERNEL32.@)
*/
HANDLE WINAPI DECLSPEC_HOTPATCH CreateEventA( SECURITY_ATTRIBUTES *sa, BOOL manual_reset,
BOOL initial_state, LPCSTR name )
{
DWORD flags = 0;
if (manual_reset) flags |= CREATE_EVENT_MANUAL_RESET;
if (initial_state) flags |= CREATE_EVENT_INITIAL_SET;
return CreateEventExA( sa, name, flags, EVENT_ALL_ACCESS );
}
/***********************************************************************
* CreateEventW (KERNEL32.@)
*/
HANDLE WINAPI DECLSPEC_HOTPATCH CreateEventW( SECURITY_ATTRIBUTES *sa, BOOL manual_reset,
BOOL initial_state, LPCWSTR name )
{
DWORD flags = 0;
if (manual_reset) flags |= CREATE_EVENT_MANUAL_RESET;
if (initial_state) flags |= CREATE_EVENT_INITIAL_SET;
return CreateEventExW( sa, name, flags, EVENT_ALL_ACCESS );
}
/***********************************************************************
* CreateEventExA (KERNEL32.@)
*/
HANDLE WINAPI DECLSPEC_HOTPATCH CreateEventExA( SECURITY_ATTRIBUTES *sa, LPCSTR name, DWORD flags, DWORD access )
{
WCHAR buffer[MAX_PATH];
if (!name) return CreateEventExW( sa, NULL, flags, access );
if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
return 0;
}
return CreateEventExW( sa, buffer, flags, access );
}
/***********************************************************************
* CreateEventExW (KERNEL32.@)
*/
HANDLE WINAPI DECLSPEC_HOTPATCH CreateEventExW( SECURITY_ATTRIBUTES *sa, LPCWSTR name, DWORD flags, DWORD access )
{
HANDLE ret = 0;
UNICODE_STRING nameW;
OBJECT_ATTRIBUTES attr;
NTSTATUS status;
/* one buggy program needs this
* ("Van Dale Groot woordenboek der Nederlandse taal")
*/
if (sa && IsBadReadPtr(sa,sizeof(SECURITY_ATTRIBUTES)))
{
ERR("Bad security attributes pointer %p\n",sa);
SetLastError( ERROR_INVALID_PARAMETER);
return 0;
}
get_create_object_attributes( &attr, &nameW, sa, name );
status = NtCreateEvent( &ret, access, &attr,
(flags & CREATE_EVENT_MANUAL_RESET) ? NotificationEvent : SynchronizationEvent,
(flags & CREATE_EVENT_INITIAL_SET) != 0 );
if (status == STATUS_OBJECT_NAME_EXISTS)
SetLastError( ERROR_ALREADY_EXISTS );
else
SetLastError( RtlNtStatusToDosError(status) );
return ret;
}
/***********************************************************************
* OpenEventA (KERNEL32.@)
*/
HANDLE WINAPI DECLSPEC_HOTPATCH OpenEventA( DWORD access, BOOL inherit, LPCSTR name )
{
WCHAR buffer[MAX_PATH];
if (!name) return OpenEventW( access, inherit, NULL );
if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
return 0;
}
return OpenEventW( access, inherit, buffer );
}
/***********************************************************************
* OpenEventW (KERNEL32.@)
*/
HANDLE WINAPI DECLSPEC_HOTPATCH OpenEventW( DWORD access, BOOL inherit, LPCWSTR name )
{
HANDLE ret;
UNICODE_STRING nameW;
OBJECT_ATTRIBUTES attr;
NTSTATUS status;
if (!is_version_nt()) access = EVENT_ALL_ACCESS;
if (!get_open_object_attributes( &attr, &nameW, inherit, name )) return 0;
status = NtOpenEvent( &ret, access, &attr );
if (status != STATUS_SUCCESS)
{
SetLastError( RtlNtStatusToDosError(status) );
return 0;
}
return ret;
}
/***********************************************************************
* PulseEvent (KERNEL32.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH PulseEvent( HANDLE handle )
{
NTSTATUS status;
if ((status = NtPulseEvent( handle, NULL )))
SetLastError( RtlNtStatusToDosError(status) );
return !status;
}
/***********************************************************************
* SetEvent (KERNEL32.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH SetEvent( HANDLE handle )
{
NTSTATUS status;
if ((status = NtSetEvent( handle, NULL )))
SetLastError( RtlNtStatusToDosError(status) );
return !status;
}
/***********************************************************************
* ResetEvent (KERNEL32.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH ResetEvent( HANDLE handle )
{
NTSTATUS status;
if ((status = NtResetEvent( handle, NULL )))
SetLastError( RtlNtStatusToDosError(status) );
return !status;
}
/***********************************************************************
* CreateMutexA (KERNEL32.@)
*/
HANDLE WINAPI DECLSPEC_HOTPATCH CreateMutexA( SECURITY_ATTRIBUTES *sa, BOOL owner, LPCSTR name )
{
return CreateMutexExA( sa, name, owner ? CREATE_MUTEX_INITIAL_OWNER : 0, MUTEX_ALL_ACCESS );
}
/***********************************************************************
* CreateMutexW (KERNEL32.@)
*/
HANDLE WINAPI DECLSPEC_HOTPATCH CreateMutexW( SECURITY_ATTRIBUTES *sa, BOOL owner, LPCWSTR name )
{
return CreateMutexExW( sa, name, owner ? CREATE_MUTEX_INITIAL_OWNER : 0, MUTEX_ALL_ACCESS );
}
/***********************************************************************
* CreateMutexExA (KERNEL32.@)
*/
HANDLE WINAPI DECLSPEC_HOTPATCH CreateMutexExA( SECURITY_ATTRIBUTES *sa, LPCSTR name, DWORD flags, DWORD access )
{
ANSI_STRING nameA;
NTSTATUS status;
if (!name) return CreateMutexExW( sa, NULL, flags, access );
RtlInitAnsiString( &nameA, name );
status = RtlAnsiStringToUnicodeString( &NtCurrentTeb()->StaticUnicodeString, &nameA, FALSE );
if (status != STATUS_SUCCESS)
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
return 0;
}
return CreateMutexExW( sa, NtCurrentTeb()->StaticUnicodeString.Buffer, flags, access );
}
/***********************************************************************
* CreateMutexExW (KERNEL32.@)
*/
HANDLE WINAPI DECLSPEC_HOTPATCH CreateMutexExW( SECURITY_ATTRIBUTES *sa, LPCWSTR name, DWORD flags, DWORD access )
{
HANDLE ret = 0;
UNICODE_STRING nameW;
OBJECT_ATTRIBUTES attr;
NTSTATUS status;
get_create_object_attributes( &attr, &nameW, sa, name );
status = NtCreateMutant( &ret, access, &attr, (flags & CREATE_MUTEX_INITIAL_OWNER) != 0 );
if (status == STATUS_OBJECT_NAME_EXISTS)
SetLastError( ERROR_ALREADY_EXISTS );
else
SetLastError( RtlNtStatusToDosError(status) );
return ret;
}
/***********************************************************************
* OpenMutexA (KERNEL32.@)
*/
HANDLE WINAPI DECLSPEC_HOTPATCH OpenMutexA( DWORD access, BOOL inherit, LPCSTR name )
{
WCHAR buffer[MAX_PATH];
if (!name) return OpenMutexW( access, inherit, NULL );
if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
return 0;
}
return OpenMutexW( access, inherit, buffer );
}
/***********************************************************************
* OpenMutexW (KERNEL32.@)
*/
HANDLE WINAPI DECLSPEC_HOTPATCH OpenMutexW( DWORD access, BOOL inherit, LPCWSTR name )
{
HANDLE ret;
UNICODE_STRING nameW;
OBJECT_ATTRIBUTES attr;
NTSTATUS status;
if (!is_version_nt()) access = MUTEX_ALL_ACCESS;
if (!get_open_object_attributes( &attr, &nameW, inherit, name )) return 0;
status = NtOpenMutant( &ret, access, &attr );
if (status != STATUS_SUCCESS)
{
SetLastError( RtlNtStatusToDosError(status) );
return 0;
}
return ret;
}
/***********************************************************************
* ReleaseMutex (KERNEL32.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH ReleaseMutex( HANDLE handle )
{
NTSTATUS status;
status = NtReleaseMutant(handle, NULL);
if (status != STATUS_SUCCESS)
{
SetLastError( RtlNtStatusToDosError(status) );
return FALSE;
}
return TRUE;
}
/*
* Semaphores
*/
/***********************************************************************
* CreateSemaphoreA (KERNEL32.@)
*/
HANDLE WINAPI DECLSPEC_HOTPATCH CreateSemaphoreA( SECURITY_ATTRIBUTES *sa, LONG initial, LONG max, LPCSTR name )
{
return CreateSemaphoreExA( sa, initial, max, name, 0, SEMAPHORE_ALL_ACCESS );
}
/***********************************************************************
* CreateSemaphoreW (KERNEL32.@)
*/
HANDLE WINAPI DECLSPEC_HOTPATCH CreateSemaphoreW( SECURITY_ATTRIBUTES *sa, LONG initial, LONG max, LPCWSTR name )
{
return CreateSemaphoreExW( sa, initial, max, name, 0, SEMAPHORE_ALL_ACCESS );
}
/***********************************************************************
* CreateSemaphoreExA (KERNEL32.@)
*/
HANDLE WINAPI DECLSPEC_HOTPATCH CreateSemaphoreExA( SECURITY_ATTRIBUTES *sa, LONG initial, LONG max,
LPCSTR name, DWORD flags, DWORD access )
{
WCHAR buffer[MAX_PATH];
if (!name) return CreateSemaphoreExW( sa, initial, max, NULL, flags, access );
if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
return 0;
}
return CreateSemaphoreExW( sa, initial, max, buffer, flags, access );
}
/***********************************************************************
* CreateSemaphoreExW (KERNEL32.@)
*/
HANDLE WINAPI DECLSPEC_HOTPATCH CreateSemaphoreExW( SECURITY_ATTRIBUTES *sa, LONG initial, LONG max,
LPCWSTR name, DWORD flags, DWORD access )
{
HANDLE ret = 0;
UNICODE_STRING nameW;
OBJECT_ATTRIBUTES attr;
NTSTATUS status;
get_create_object_attributes( &attr, &nameW, sa, name );
status = NtCreateSemaphore( &ret, access, &attr, initial, max );
if (status == STATUS_OBJECT_NAME_EXISTS)
SetLastError( ERROR_ALREADY_EXISTS );
else
SetLastError( RtlNtStatusToDosError(status) );
return ret;
}
/***********************************************************************
* OpenSemaphoreA (KERNEL32.@)
*/
HANDLE WINAPI DECLSPEC_HOTPATCH OpenSemaphoreA( DWORD access, BOOL inherit, LPCSTR name )
{
WCHAR buffer[MAX_PATH];
if (!name) return OpenSemaphoreW( access, inherit, NULL );
if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
return 0;
}
return OpenSemaphoreW( access, inherit, buffer );
}
/***********************************************************************
* OpenSemaphoreW (KERNEL32.@)
*/
HANDLE WINAPI DECLSPEC_HOTPATCH OpenSemaphoreW( DWORD access, BOOL inherit, LPCWSTR name )
{
HANDLE ret;
UNICODE_STRING nameW;
OBJECT_ATTRIBUTES attr;
NTSTATUS status;
if (!is_version_nt()) access = SEMAPHORE_ALL_ACCESS;
if (!get_open_object_attributes( &attr, &nameW, inherit, name )) return 0;
status = NtOpenSemaphore( &ret, access, &attr );
if (status != STATUS_SUCCESS)
{
SetLastError( RtlNtStatusToDosError(status) );
return 0;
}
return ret;
}
/***********************************************************************
* ReleaseSemaphore (KERNEL32.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH ReleaseSemaphore( HANDLE handle, LONG count, LONG *previous )
{
NTSTATUS status = NtReleaseSemaphore( handle, count, (PULONG)previous );
if (status) SetLastError( RtlNtStatusToDosError(status) );
return !status;
}
/*
* Jobs
*/
/******************************************************************************
* CreateJobObjectW (KERNEL32.@)
*/
HANDLE WINAPI CreateJobObjectW( LPSECURITY_ATTRIBUTES sa, LPCWSTR name )
{
HANDLE ret = 0;
UNICODE_STRING nameW;
OBJECT_ATTRIBUTES attr;
NTSTATUS status;
get_create_object_attributes( &attr, &nameW, sa, name );
status = NtCreateJobObject( &ret, JOB_OBJECT_ALL_ACCESS, &attr );
if (status == STATUS_OBJECT_NAME_EXISTS)
SetLastError( ERROR_ALREADY_EXISTS );
else
SetLastError( RtlNtStatusToDosError(status) );
return ret;
}
/******************************************************************************
* CreateJobObjectA (KERNEL32.@)
*/
HANDLE WINAPI CreateJobObjectA( LPSECURITY_ATTRIBUTES attr, LPCSTR name )
{
WCHAR buffer[MAX_PATH];
if (!name) return CreateJobObjectW( attr, NULL );
if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
return 0;
}
return CreateJobObjectW( attr, buffer );
}
/******************************************************************************
* OpenJobObjectW (KERNEL32.@)
*/
HANDLE WINAPI OpenJobObjectW( DWORD access, BOOL inherit, LPCWSTR name )
{
HANDLE ret;
UNICODE_STRING nameW;
OBJECT_ATTRIBUTES attr;
NTSTATUS status;
if (!get_open_object_attributes( &attr, &nameW, inherit, name )) return 0;
status = NtOpenJobObject( &ret, access, &attr );
if (status != STATUS_SUCCESS)
{
SetLastError( RtlNtStatusToDosError(status) );
return 0;
}
return ret;
}
/******************************************************************************
* OpenJobObjectA (KERNEL32.@)
*/
HANDLE WINAPI OpenJobObjectA( DWORD access, BOOL inherit, LPCSTR name )
{
WCHAR buffer[MAX_PATH];
if (!name) return OpenJobObjectW( access, inherit, NULL );
if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
return 0;
}
return OpenJobObjectW( access, inherit, buffer );
}
/******************************************************************************
* TerminateJobObject (KERNEL32.@)
*/
BOOL WINAPI TerminateJobObject( HANDLE job, UINT exit_code )
{
NTSTATUS status = NtTerminateJobObject( job, exit_code );
if (status) SetLastError( RtlNtStatusToDosError(status) );
return !status;
}
/******************************************************************************
* QueryInformationJobObject (KERNEL32.@)
*/
BOOL WINAPI QueryInformationJobObject( HANDLE job, JOBOBJECTINFOCLASS class, LPVOID info,
DWORD len, DWORD *ret_len )
{
NTSTATUS status = NtQueryInformationJobObject( job, class, info, len, ret_len );
if (status) SetLastError( RtlNtStatusToDosError(status) );
return !status;
}
/******************************************************************************
* SetInformationJobObject (KERNEL32.@)
*/
BOOL WINAPI SetInformationJobObject( HANDLE job, JOBOBJECTINFOCLASS class, LPVOID info, DWORD len )
{
NTSTATUS status = NtSetInformationJobObject( job, class, info, len );
if (status) SetLastError( RtlNtStatusToDosError(status) );
return !status;
}
/******************************************************************************
* AssignProcessToJobObject (KERNEL32.@)
*/
BOOL WINAPI AssignProcessToJobObject( HANDLE job, HANDLE process )
{
NTSTATUS status = NtAssignProcessToJobObject( job, process );
if (status) SetLastError( RtlNtStatusToDosError(status) );
return !status;
}
/******************************************************************************
* IsProcessInJob (KERNEL32.@)
*/
BOOL WINAPI IsProcessInJob( HANDLE process, HANDLE job, PBOOL result )
{
NTSTATUS status = NtIsProcessInJob( process, job );
switch(status)
{
case STATUS_PROCESS_IN_JOB:
*result = TRUE;
return TRUE;
case STATUS_PROCESS_NOT_IN_JOB:
*result = FALSE;
return TRUE;
default:
SetLastError( RtlNtStatusToDosError(status) );
return FALSE;
}
}
/*
* Timers
*/
/***********************************************************************
* CreateWaitableTimerA (KERNEL32.@)
*/
HANDLE WINAPI CreateWaitableTimerA( SECURITY_ATTRIBUTES *sa, BOOL manual, LPCSTR name )
{
return CreateWaitableTimerExA( sa, name, manual ? CREATE_WAITABLE_TIMER_MANUAL_RESET : 0,
TIMER_ALL_ACCESS );
}
/***********************************************************************
* CreateWaitableTimerW (KERNEL32.@)
*/
HANDLE WINAPI CreateWaitableTimerW( SECURITY_ATTRIBUTES *sa, BOOL manual, LPCWSTR name )
{
return CreateWaitableTimerExW( sa, name, manual ? CREATE_WAITABLE_TIMER_MANUAL_RESET : 0,
TIMER_ALL_ACCESS );
}
/***********************************************************************
* CreateWaitableTimerExA (KERNEL32.@)
*/
HANDLE WINAPI CreateWaitableTimerExA( SECURITY_ATTRIBUTES *sa, LPCSTR name, DWORD flags, DWORD access )
{
WCHAR buffer[MAX_PATH];
if (!name) return CreateWaitableTimerExW( sa, NULL, flags, access );
if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
return 0;
}
return CreateWaitableTimerExW( sa, buffer, flags, access );
}
/***********************************************************************
* CreateWaitableTimerExW (KERNEL32.@)
*/
HANDLE WINAPI CreateWaitableTimerExW( SECURITY_ATTRIBUTES *sa, LPCWSTR name, DWORD flags, DWORD access )
{
HANDLE handle;
NTSTATUS status;
UNICODE_STRING nameW;
OBJECT_ATTRIBUTES attr;
get_create_object_attributes( &attr, &nameW, sa, name );
status = NtCreateTimer( &handle, access, &attr,
(flags & CREATE_WAITABLE_TIMER_MANUAL_RESET) ? NotificationTimer : SynchronizationTimer );
if (status == STATUS_OBJECT_NAME_EXISTS)
SetLastError( ERROR_ALREADY_EXISTS );
else
SetLastError( RtlNtStatusToDosError(status) );
return handle;
}
/***********************************************************************
* OpenWaitableTimerA (KERNEL32.@)
*/
HANDLE WINAPI OpenWaitableTimerA( DWORD access, BOOL inherit, LPCSTR name )
{
WCHAR buffer[MAX_PATH];
if (!name) return OpenWaitableTimerW( access, inherit, NULL );
if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
return 0;
}
return OpenWaitableTimerW( access, inherit, buffer );
}
/***********************************************************************
* OpenWaitableTimerW (KERNEL32.@)
*/
HANDLE WINAPI OpenWaitableTimerW( DWORD access, BOOL inherit, LPCWSTR name )
{
HANDLE handle;
UNICODE_STRING nameW;
OBJECT_ATTRIBUTES attr;
NTSTATUS status;
if (!is_version_nt()) access = TIMER_ALL_ACCESS;
if (!get_open_object_attributes( &attr, &nameW, inherit, name )) return 0;
status = NtOpenTimer(&handle, access, &attr);
if (status != STATUS_SUCCESS)
{
SetLastError( RtlNtStatusToDosError(status) );
return 0;
}
return handle;
}
/***********************************************************************
* SetWaitableTimer (KERNEL32.@)
*/
BOOL WINAPI SetWaitableTimer( HANDLE handle, const LARGE_INTEGER *when, LONG period,
PTIMERAPCROUTINE callback, LPVOID arg, BOOL resume )
{
NTSTATUS status = NtSetTimer(handle, when, (PTIMER_APC_ROUTINE)callback,
arg, resume, period, NULL);
if (status != STATUS_SUCCESS)
{
SetLastError( RtlNtStatusToDosError(status) );
if (status != STATUS_TIMER_RESUME_IGNORED) return FALSE;
}
return TRUE;
}
/***********************************************************************
* SetWaitableTimerEx (KERNEL32.@)
*/
BOOL WINAPI SetWaitableTimerEx( HANDLE handle, const LARGE_INTEGER *when, LONG period,
PTIMERAPCROUTINE callback, LPVOID arg, REASON_CONTEXT *context, ULONG tolerabledelay )
{
static int once;
if (!once++)
{
FIXME("(%p, %p, %d, %p, %p, %p, %d) semi-stub\n",
handle, when, period, callback, arg, context, tolerabledelay);
}
return SetWaitableTimer(handle, when, period, callback, arg, FALSE);
}
/***********************************************************************
* CancelWaitableTimer (KERNEL32.@)
*/
BOOL WINAPI CancelWaitableTimer( HANDLE handle )
{
NTSTATUS status;
status = NtCancelTimer(handle, NULL);
if (status != STATUS_SUCCESS)
{
SetLastError( RtlNtStatusToDosError(status) );
return FALSE;
}
return TRUE;
}
/***********************************************************************
* CreateTimerQueue (KERNEL32.@)
*/
HANDLE WINAPI CreateTimerQueue(void)
{
HANDLE q;
NTSTATUS status = RtlCreateTimerQueue(&q);
if (status != STATUS_SUCCESS)
{
SetLastError( RtlNtStatusToDosError(status) );
return NULL;
}
return q;
}
/***********************************************************************
* DeleteTimerQueueEx (KERNEL32.@)
*/
BOOL WINAPI DeleteTimerQueueEx(HANDLE TimerQueue, HANDLE CompletionEvent)
{
NTSTATUS status = RtlDeleteTimerQueueEx(TimerQueue, CompletionEvent);
if (status != STATUS_SUCCESS)
{
SetLastError( RtlNtStatusToDosError(status) );
return FALSE;
}
return TRUE;
}
/***********************************************************************
* DeleteTimerQueue (KERNEL32.@)
*/
BOOL WINAPI DeleteTimerQueue(HANDLE TimerQueue)
{
return DeleteTimerQueueEx(TimerQueue, NULL);
}
/***********************************************************************
* CreateTimerQueueTimer (KERNEL32.@)
*
* Creates a timer-queue timer. This timer expires at the specified due
* time (in ms), then after every specified period (in ms). When the timer
* expires, the callback function is called.
*
* RETURNS
* nonzero on success or zero on failure
*/
BOOL WINAPI CreateTimerQueueTimer( PHANDLE phNewTimer, HANDLE TimerQueue,
WAITORTIMERCALLBACK Callback, PVOID Parameter,
DWORD DueTime, DWORD Period, ULONG Flags )
{
NTSTATUS status = RtlCreateTimer(phNewTimer, TimerQueue, Callback,
Parameter, DueTime, Period, Flags);
if (status != STATUS_SUCCESS)
{
SetLastError( RtlNtStatusToDosError(status) );
return FALSE;
}
return TRUE;
}
/***********************************************************************
* ChangeTimerQueueTimer (KERNEL32.@)
*
* Changes the times at which the timer expires.
*
* RETURNS
* nonzero on success or zero on failure
*/
BOOL WINAPI ChangeTimerQueueTimer( HANDLE TimerQueue, HANDLE Timer,
ULONG DueTime, ULONG Period )
{
NTSTATUS status = RtlUpdateTimer(TimerQueue, Timer, DueTime, Period);
if (status != STATUS_SUCCESS)
{
SetLastError( RtlNtStatusToDosError(status) );
return FALSE;
}
return TRUE;
}
/***********************************************************************
* CancelTimerQueueTimer (KERNEL32.@)
*/
BOOL WINAPI CancelTimerQueueTimer(HANDLE queue, HANDLE timer)
{
FIXME("stub: %p %p\n", queue, timer);
return FALSE;
}
/***********************************************************************
* DeleteTimerQueueTimer (KERNEL32.@)
*
* Cancels a timer-queue timer.
*
* RETURNS
* nonzero on success or zero on failure
*/
BOOL WINAPI DeleteTimerQueueTimer( HANDLE TimerQueue, HANDLE Timer,
HANDLE CompletionEvent )
{
NTSTATUS status = RtlDeleteTimer(TimerQueue, Timer, CompletionEvent);
if (status != STATUS_SUCCESS)
{
SetLastError( RtlNtStatusToDosError(status) );
return FALSE;
}
return TRUE;
}
/*
* Mappings
*/
/***********************************************************************
* CreateFileMappingA (KERNEL32.@)
*/
HANDLE WINAPI CreateFileMappingA( HANDLE file, SECURITY_ATTRIBUTES *sa, DWORD protect,
DWORD size_high, DWORD size_low, LPCSTR name )
{
WCHAR buffer[MAX_PATH];
if (!name) return CreateFileMappingW( file, sa, protect, size_high, size_low, NULL );
if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
return 0;
}
return CreateFileMappingW( file, sa, protect, size_high, size_low, buffer );
}
/***********************************************************************
* CreateFileMappingW (KERNEL32.@)
*/
HANDLE WINAPI CreateFileMappingW( HANDLE file, LPSECURITY_ATTRIBUTES sa, DWORD protect,
DWORD size_high, DWORD size_low, LPCWSTR name )
{
static const int sec_flags = (SEC_FILE | SEC_IMAGE | SEC_RESERVE | SEC_COMMIT |
SEC_NOCACHE | SEC_WRITECOMBINE | SEC_LARGE_PAGES);
HANDLE ret;
NTSTATUS status;
DWORD access, sec_type;
LARGE_INTEGER size;
UNICODE_STRING nameW;
OBJECT_ATTRIBUTES attr;
sec_type = protect & sec_flags;
protect &= ~sec_flags;
if (!sec_type) sec_type = SEC_COMMIT;
/* Win9x compatibility */
if (!protect && !is_version_nt()) protect = PAGE_READONLY;
switch(protect)
{
case PAGE_READONLY:
case PAGE_WRITECOPY:
access = STANDARD_RIGHTS_REQUIRED | SECTION_QUERY | SECTION_MAP_READ;
break;
case PAGE_READWRITE:
access = STANDARD_RIGHTS_REQUIRED | SECTION_QUERY | SECTION_MAP_READ | SECTION_MAP_WRITE;
break;
case PAGE_EXECUTE_READ:
case PAGE_EXECUTE_WRITECOPY:
access = STANDARD_RIGHTS_REQUIRED | SECTION_QUERY | SECTION_MAP_READ | SECTION_MAP_EXECUTE;
break;
case PAGE_EXECUTE_READWRITE:
access = STANDARD_RIGHTS_REQUIRED | SECTION_QUERY | SECTION_MAP_READ | SECTION_MAP_WRITE | SECTION_MAP_EXECUTE;
break;
default:
SetLastError( ERROR_INVALID_PARAMETER );
return 0;
}
size.u.LowPart = size_low;
size.u.HighPart = size_high;
if (file == INVALID_HANDLE_VALUE)
{
file = 0;
if (!size.QuadPart)
{
SetLastError( ERROR_INVALID_PARAMETER );
return 0;
}
}
get_create_object_attributes( &attr, &nameW, sa, name );
status = NtCreateSection( &ret, access, &attr, &size, protect, sec_type, file );
if (status == STATUS_OBJECT_NAME_EXISTS)
SetLastError( ERROR_ALREADY_EXISTS );
else
SetLastError( RtlNtStatusToDosError(status) );
return ret;
}
/***********************************************************************
* OpenFileMappingA (KERNEL32.@)
*/
HANDLE WINAPI OpenFileMappingA( DWORD access, BOOL inherit, LPCSTR name )
{
WCHAR buffer[MAX_PATH];
if (!name) return OpenFileMappingW( access, inherit, NULL );
if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
return 0;
}
return OpenFileMappingW( access, inherit, buffer );
}
/***********************************************************************
* OpenFileMappingW (KERNEL32.@)
*/
HANDLE WINAPI OpenFileMappingW( DWORD access, BOOL inherit, LPCWSTR name )
{
OBJECT_ATTRIBUTES attr;
UNICODE_STRING nameW;
HANDLE ret;
NTSTATUS status;
if (!get_open_object_attributes( &attr, &nameW, inherit, name )) return 0;
if (access == FILE_MAP_COPY) access = SECTION_MAP_READ;
if (!is_version_nt())
{
/* win9x doesn't do access checks, so try with full access first */
if (!NtOpenSection( &ret, access | SECTION_MAP_READ | SECTION_MAP_WRITE, &attr )) return ret;
}
status = NtOpenSection( &ret, access, &attr );
if (status != STATUS_SUCCESS)
{
SetLastError( RtlNtStatusToDosError(status) );
return 0;
}
return ret;
}
/*
* Pipes
*/
/***********************************************************************
* CreateNamedPipeA (KERNEL32.@)
*/
HANDLE WINAPI CreateNamedPipeA( LPCSTR name, DWORD dwOpenMode,
DWORD dwPipeMode, DWORD nMaxInstances,
DWORD nOutBufferSize, DWORD nInBufferSize,
DWORD nDefaultTimeOut, LPSECURITY_ATTRIBUTES attr )
{
WCHAR buffer[MAX_PATH];
if (!name) return CreateNamedPipeW( NULL, dwOpenMode, dwPipeMode, nMaxInstances,
nOutBufferSize, nInBufferSize, nDefaultTimeOut, attr );
if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
return INVALID_HANDLE_VALUE;
}
return CreateNamedPipeW( buffer, dwOpenMode, dwPipeMode, nMaxInstances,
nOutBufferSize, nInBufferSize, nDefaultTimeOut, attr );
}
/***********************************************************************
* CreateNamedPipeW (KERNEL32.@)
*/
HANDLE WINAPI CreateNamedPipeW( LPCWSTR name, DWORD dwOpenMode,
DWORD dwPipeMode, DWORD nMaxInstances,
DWORD nOutBufferSize, DWORD nInBufferSize,
DWORD nDefaultTimeOut, LPSECURITY_ATTRIBUTES sa )
{
HANDLE handle;
UNICODE_STRING nt_name;
OBJECT_ATTRIBUTES attr;
DWORD access, options, sharing;
BOOLEAN pipe_type, read_mode, non_block;
NTSTATUS status;
IO_STATUS_BLOCK iosb;
LARGE_INTEGER timeout;
TRACE("(%s, %#08x, %#08x, %d, %d, %d, %d, %p)\n",
debugstr_w(name), dwOpenMode, dwPipeMode, nMaxInstances,
nOutBufferSize, nInBufferSize, nDefaultTimeOut, sa );
if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
{
SetLastError( ERROR_PATH_NOT_FOUND );
return INVALID_HANDLE_VALUE;
}
if (nt_name.Length >= MAX_PATH * sizeof(WCHAR) )
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
RtlFreeUnicodeString( &nt_name );
return INVALID_HANDLE_VALUE;
}
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.ObjectName = &nt_name;
attr.Attributes = OBJ_CASE_INSENSITIVE |
((sa && sa->bInheritHandle) ? OBJ_INHERIT : 0);
attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
attr.SecurityQualityOfService = NULL;
switch(dwOpenMode & 3)
{
case PIPE_ACCESS_INBOUND:
sharing = FILE_SHARE_WRITE;
access = GENERIC_READ;
break;
case PIPE_ACCESS_OUTBOUND:
sharing = FILE_SHARE_READ;
access = GENERIC_WRITE;
break;
case PIPE_ACCESS_DUPLEX:
sharing = FILE_SHARE_READ | FILE_SHARE_WRITE;
access = GENERIC_READ | GENERIC_WRITE;
break;
default:
SetLastError( ERROR_INVALID_PARAMETER );
return INVALID_HANDLE_VALUE;
}
access |= SYNCHRONIZE;
options = 0;
if (dwOpenMode & WRITE_DAC) access |= WRITE_DAC;
if (dwOpenMode & WRITE_OWNER) access |= WRITE_OWNER;
if (dwOpenMode & ACCESS_SYSTEM_SECURITY) access |= ACCESS_SYSTEM_SECURITY;
if (dwOpenMode & FILE_FLAG_WRITE_THROUGH) options |= FILE_WRITE_THROUGH;
if (!(dwOpenMode & FILE_FLAG_OVERLAPPED)) options |= FILE_SYNCHRONOUS_IO_NONALERT;
pipe_type = (dwPipeMode & PIPE_TYPE_MESSAGE) != 0;
read_mode = (dwPipeMode & PIPE_READMODE_MESSAGE) != 0;
non_block = (dwPipeMode & PIPE_NOWAIT) != 0;
if (nMaxInstances >= PIPE_UNLIMITED_INSTANCES) nMaxInstances = ~0U;
timeout.QuadPart = (ULONGLONG)nDefaultTimeOut * -10000;
SetLastError(0);
status = NtCreateNamedPipeFile(&handle, access, &attr, &iosb, sharing,
FILE_OVERWRITE_IF, options, pipe_type,
read_mode, non_block, nMaxInstances,
nInBufferSize, nOutBufferSize, &timeout);
RtlFreeUnicodeString( &nt_name );
if (status)
{
handle = INVALID_HANDLE_VALUE;
SetLastError( RtlNtStatusToDosError(status) );
}
return handle;
}
/***********************************************************************
* PeekNamedPipe (KERNEL32.@)
*/
BOOL WINAPI PeekNamedPipe( HANDLE hPipe, LPVOID lpvBuffer, DWORD cbBuffer,
LPDWORD lpcbRead, LPDWORD lpcbAvail, LPDWORD lpcbMessage )
{
FILE_PIPE_PEEK_BUFFER local_buffer;
FILE_PIPE_PEEK_BUFFER *buffer = &local_buffer;
IO_STATUS_BLOCK io;
NTSTATUS status;
if (cbBuffer && !(buffer = HeapAlloc( GetProcessHeap(), 0,
FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data[cbBuffer] ))))
{
SetLastError( ERROR_NOT_ENOUGH_MEMORY );
return FALSE;
}
status = NtFsControlFile( hPipe, 0, NULL, NULL, &io, FSCTL_PIPE_PEEK, NULL, 0,
buffer, FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data[cbBuffer] ) );
if (!status)
{
ULONG read_size = io.Information - FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data );
if (lpcbAvail) *lpcbAvail = buffer->ReadDataAvailable;
if (lpcbRead) *lpcbRead = read_size;
if (lpcbMessage) *lpcbMessage = buffer->MessageLength - read_size;
if (lpvBuffer) memcpy( lpvBuffer, buffer->Data, read_size );
}
else SetLastError( RtlNtStatusToDosError(status) );
if (buffer != &local_buffer) HeapFree( GetProcessHeap(), 0, buffer );
return !status;
}
/***********************************************************************
* WaitNamedPipeA (KERNEL32.@)
*/
BOOL WINAPI WaitNamedPipeA (LPCSTR name, DWORD nTimeOut)
{
WCHAR buffer[MAX_PATH];
if (!name) return WaitNamedPipeW( NULL, nTimeOut );
if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
return FALSE;
}
return WaitNamedPipeW( buffer, nTimeOut );
}
/***********************************************************************
* WaitNamedPipeW (KERNEL32.@)
*
* Waits for a named pipe instance to become available
*
* PARAMS
* name [I] Pointer to a named pipe name to wait for
* nTimeOut [I] How long to wait in ms
*
* RETURNS
* TRUE: Success, named pipe can be opened with CreateFile
* FALSE: Failure, GetLastError can be called for further details
*/
BOOL WINAPI WaitNamedPipeW (LPCWSTR name, DWORD nTimeOut)
{
static const WCHAR leadin[] = {'\\','?','?','\\','P','I','P','E','\\'};
NTSTATUS status;
UNICODE_STRING nt_name, pipe_dev_name;
FILE_PIPE_WAIT_FOR_BUFFER *pipe_wait;
IO_STATUS_BLOCK iosb;
OBJECT_ATTRIBUTES attr;
ULONG sz_pipe_wait;
HANDLE pipe_dev;
TRACE("%s 0x%08x\n",debugstr_w(name),nTimeOut);
if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
return FALSE;
if (nt_name.Length >= MAX_PATH * sizeof(WCHAR) ||
nt_name.Length < sizeof(leadin) ||
strncmpiW( nt_name.Buffer, leadin, ARRAY_SIZE( leadin )) != 0)
{
RtlFreeUnicodeString( &nt_name );
SetLastError( ERROR_PATH_NOT_FOUND );
return FALSE;
}
sz_pipe_wait = sizeof(*pipe_wait) + nt_name.Length - sizeof(leadin) - sizeof(WCHAR);
if (!(pipe_wait = HeapAlloc( GetProcessHeap(), 0, sz_pipe_wait)))
{
RtlFreeUnicodeString( &nt_name );
SetLastError( ERROR_OUTOFMEMORY );
return FALSE;
}
pipe_dev_name.Buffer = nt_name.Buffer;
pipe_dev_name.Length = sizeof(leadin);
pipe_dev_name.MaximumLength = sizeof(leadin);
InitializeObjectAttributes(&attr,&pipe_dev_name, OBJ_CASE_INSENSITIVE, NULL, NULL);
status = NtOpenFile( &pipe_dev, FILE_READ_ATTRIBUTES | SYNCHRONIZE, &attr,
&iosb, FILE_SHARE_READ | FILE_SHARE_WRITE,
FILE_SYNCHRONOUS_IO_NONALERT);
if (status != STATUS_SUCCESS)
{
HeapFree( GetProcessHeap(), 0, pipe_wait);
RtlFreeUnicodeString( &nt_name );
SetLastError( ERROR_PATH_NOT_FOUND );
return FALSE;
}
pipe_wait->TimeoutSpecified = !(nTimeOut == NMPWAIT_USE_DEFAULT_WAIT);
if (nTimeOut == NMPWAIT_WAIT_FOREVER)
pipe_wait->Timeout.QuadPart = ((ULONGLONG)0x7fffffff << 32) | 0xffffffff;
else
pipe_wait->Timeout.QuadPart = (ULONGLONG)nTimeOut * -10000;
pipe_wait->NameLength = nt_name.Length - sizeof(leadin);
memcpy( pipe_wait->Name, nt_name.Buffer + ARRAY_SIZE( leadin ), pipe_wait->NameLength );
RtlFreeUnicodeString( &nt_name );
status = NtFsControlFile( pipe_dev, NULL, NULL, NULL, &iosb, FSCTL_PIPE_WAIT,
pipe_wait, sz_pipe_wait, NULL, 0 );
HeapFree( GetProcessHeap(), 0, pipe_wait );
NtClose( pipe_dev );
if(status != STATUS_SUCCESS)
{
SetLastError(RtlNtStatusToDosError(status));
return FALSE;
}
else
return TRUE;
}
/***********************************************************************
* ConnectNamedPipe (KERNEL32.@)
*
* Connects to a named pipe
*
* Parameters
* hPipe: A handle to a named pipe returned by CreateNamedPipe
* overlapped: Optional OVERLAPPED struct
*
* Return values
* TRUE: Success
* FALSE: Failure, GetLastError can be called for further details
*/
BOOL WINAPI ConnectNamedPipe(HANDLE hPipe, LPOVERLAPPED overlapped)
{
NTSTATUS status;
IO_STATUS_BLOCK status_block;
LPVOID cvalue = NULL;
TRACE("(%p,%p)\n", hPipe, overlapped);
if(overlapped)
{
overlapped->Internal = STATUS_PENDING;
overlapped->InternalHigh = 0;
if (((ULONG_PTR)overlapped->hEvent & 1) == 0) cvalue = overlapped;
}
status = NtFsControlFile(hPipe, overlapped ? overlapped->hEvent : NULL, NULL, cvalue,
overlapped ? (IO_STATUS_BLOCK *)overlapped : &status_block,
FSCTL_PIPE_LISTEN, NULL, 0, NULL, 0);
if (status == STATUS_SUCCESS) return TRUE;
SetLastError( RtlNtStatusToDosError(status) );
return FALSE;
}
/***********************************************************************
* DisconnectNamedPipe (KERNEL32.@)
*
* Disconnects from a named pipe
*
* Parameters
* hPipe: A handle to a named pipe returned by CreateNamedPipe
*
* Return values
* TRUE: Success
* FALSE: Failure, GetLastError can be called for further details
*/
BOOL WINAPI DisconnectNamedPipe(HANDLE hPipe)
{
NTSTATUS status;
IO_STATUS_BLOCK io_block;
TRACE("(%p)\n",hPipe);
status = NtFsControlFile(hPipe, 0, NULL, NULL, &io_block, FSCTL_PIPE_DISCONNECT,
NULL, 0, NULL, 0);
if (status == STATUS_SUCCESS) return TRUE;
SetLastError( RtlNtStatusToDosError(status) );
return FALSE;
}
/***********************************************************************
* TransactNamedPipe (KERNEL32.@)
*/
BOOL WINAPI TransactNamedPipe(
HANDLE handle, LPVOID write_buf, DWORD write_size, LPVOID read_buf,
DWORD read_size, LPDWORD bytes_read, LPOVERLAPPED overlapped)
{
IO_STATUS_BLOCK default_iosb, *iosb = &default_iosb;
HANDLE event = NULL;
void *cvalue = NULL;
NTSTATUS status;
TRACE("%p %p %u %p %u %p %p\n", handle, write_buf, write_size, read_buf,
read_size, bytes_read, overlapped);
if (overlapped)
{
event = overlapped->hEvent;
iosb = (IO_STATUS_BLOCK *)overlapped;
if (((ULONG_PTR)event & 1) == 0) cvalue = overlapped;
}
else
{
iosb->Information = 0;
}
status = NtFsControlFile(handle, event, NULL, cvalue, iosb, FSCTL_PIPE_TRANSCEIVE,
write_buf, write_size, read_buf, read_size);
if (bytes_read) *bytes_read = overlapped && status ? 0 : iosb->Information;
if (status)
{
SetLastError(RtlNtStatusToDosError(status));
return FALSE;
}
return TRUE;
}
/***********************************************************************
* GetNamedPipeInfo (KERNEL32.@)
*/
BOOL WINAPI GetNamedPipeInfo(
HANDLE hNamedPipe, LPDWORD lpFlags, LPDWORD lpOutputBufferSize,
LPDWORD lpInputBufferSize, LPDWORD lpMaxInstances)
{
FILE_PIPE_LOCAL_INFORMATION fpli;
IO_STATUS_BLOCK iosb;
NTSTATUS status;
status = NtQueryInformationFile(hNamedPipe, &iosb, &fpli, sizeof(fpli),
FilePipeLocalInformation);
if (status)
{
SetLastError( RtlNtStatusToDosError(status) );
return FALSE;
}
if (lpFlags)
{
*lpFlags = (fpli.NamedPipeEnd & FILE_PIPE_SERVER_END) ?
PIPE_SERVER_END : PIPE_CLIENT_END;
*lpFlags |= (fpli.NamedPipeType & FILE_PIPE_TYPE_MESSAGE) ?
PIPE_TYPE_MESSAGE : PIPE_TYPE_BYTE;
}
if (lpOutputBufferSize) *lpOutputBufferSize = fpli.OutboundQuota;
if (lpInputBufferSize) *lpInputBufferSize = fpli.InboundQuota;
if (lpMaxInstances) *lpMaxInstances = fpli.MaximumInstances;
return TRUE;
}
/***********************************************************************
* GetNamedPipeClientProcessId (KERNEL32.@)
*/
BOOL WINAPI GetNamedPipeClientProcessId( HANDLE pipe, ULONG *id )
{
IO_STATUS_BLOCK iosb;
NTSTATUS status;
TRACE( "%p %p\n", pipe, id );
status = NtFsControlFile( pipe, NULL, NULL, NULL, &iosb, FSCTL_PIPE_GET_CONNECTION_ATTRIBUTE,
(void *)"ClientProcessId", sizeof("ClientProcessId"), id, sizeof(*id) );
if (status)
{
SetLastError( RtlNtStatusToDosError(status) );
return FALSE;
}
return TRUE;
}
/***********************************************************************
* GetNamedPipeServerProcessId (KERNEL32.@)
*/
BOOL WINAPI GetNamedPipeServerProcessId( HANDLE pipe, ULONG *id )
{
IO_STATUS_BLOCK iosb;
NTSTATUS status;
TRACE( "%p, %p\n", pipe, id );
status = NtFsControlFile( pipe, NULL, NULL, NULL, &iosb, FSCTL_PIPE_GET_CONNECTION_ATTRIBUTE,
(void *)"ServerProcessId", sizeof("ServerProcessId"), id, sizeof(*id) );
if (status)
{
SetLastError( RtlNtStatusToDosError(status) );
return FALSE;
}
return TRUE;
}
/***********************************************************************
* GetNamedPipeClientSessionId (KERNEL32.@)
*/
BOOL WINAPI GetNamedPipeClientSessionId( HANDLE pipe, ULONG *id )
{
FIXME( "%p, %p\n", pipe, id );
if (!id) return FALSE;
*id = NtCurrentTeb()->Peb->SessionId;
return TRUE;
}
/***********************************************************************
* GetNamedPipeServerSessionId (KERNEL32.@)
*/
BOOL WINAPI GetNamedPipeServerSessionId( HANDLE pipe, ULONG *id )
{
FIXME( "%p, %p\n", pipe, id );
if (!id) return FALSE;
*id = NtCurrentTeb()->Peb->SessionId;
return TRUE;
}
/***********************************************************************
* GetNamedPipeHandleStateA (KERNEL32.@)
*/
BOOL WINAPI GetNamedPipeHandleStateA(
HANDLE hNamedPipe, LPDWORD lpState, LPDWORD lpCurInstances,
LPDWORD lpMaxCollectionCount, LPDWORD lpCollectDataTimeout,
LPSTR lpUsername, DWORD nUsernameMaxSize)
{
WCHAR *username = NULL;
BOOL ret;
WARN("%p %p %p %p %p %p %d: semi-stub\n", hNamedPipe, lpState, lpCurInstances,
lpMaxCollectionCount, lpCollectDataTimeout, lpUsername, nUsernameMaxSize);
if (lpUsername && nUsernameMaxSize &&
!(username = HeapAlloc(GetProcessHeap(), 0, nUsernameMaxSize * sizeof(WCHAR)))) return FALSE;
ret = GetNamedPipeHandleStateW(hNamedPipe, lpState, lpCurInstances, lpMaxCollectionCount,
lpCollectDataTimeout, username, nUsernameMaxSize);
if (ret && username)
WideCharToMultiByte(CP_ACP, 0, username, -1, lpUsername, nUsernameMaxSize, NULL, NULL);
HeapFree(GetProcessHeap(), 0, username);
return ret;
}
/***********************************************************************
* GetNamedPipeHandleStateW (KERNEL32.@)
*/
BOOL WINAPI GetNamedPipeHandleStateW(
HANDLE hNamedPipe, LPDWORD lpState, LPDWORD lpCurInstances,
LPDWORD lpMaxCollectionCount, LPDWORD lpCollectDataTimeout,
LPWSTR lpUsername, DWORD nUsernameMaxSize)
{
IO_STATUS_BLOCK iosb;
NTSTATUS status;
FIXME("%p %p %p %p %p %p %d: semi-stub\n", hNamedPipe, lpState, lpCurInstances,
lpMaxCollectionCount, lpCollectDataTimeout, lpUsername, nUsernameMaxSize);
if (lpMaxCollectionCount)
*lpMaxCollectionCount = 0;
if (lpCollectDataTimeout)
*lpCollectDataTimeout = 0;
if (lpUsername && nUsernameMaxSize)
{
const char *username = wine_get_user_name();
int len = MultiByteToWideChar(CP_UNIXCP, 0, username, -1, lpUsername, nUsernameMaxSize);
if (!len) *lpUsername = 0;
}
if (lpState)
{
FILE_PIPE_INFORMATION fpi;
status = NtQueryInformationFile(hNamedPipe, &iosb, &fpi, sizeof(fpi),
FilePipeInformation);
if (status)
{
SetLastError( RtlNtStatusToDosError(status) );
return FALSE;
}
*lpState = (fpi.ReadMode ? PIPE_READMODE_MESSAGE : PIPE_READMODE_BYTE) |
(fpi.CompletionMode ? PIPE_NOWAIT : PIPE_WAIT);
}
if (lpCurInstances)
{
FILE_PIPE_LOCAL_INFORMATION fpli;
status = NtQueryInformationFile(hNamedPipe, &iosb, &fpli, sizeof(fpli),
FilePipeLocalInformation);
if (status)
{
SetLastError( RtlNtStatusToDosError(status) );
return FALSE;
}
*lpCurInstances = fpli.CurrentInstances;
}
return TRUE;
}
/***********************************************************************
* SetNamedPipeHandleState (KERNEL32.@)
*/
BOOL WINAPI SetNamedPipeHandleState(
HANDLE hNamedPipe, LPDWORD lpMode, LPDWORD lpMaxCollectionCount,
LPDWORD lpCollectDataTimeout)
{
/* should be a fixme, but this function is called a lot by the RPC
* runtime, and it slows down InstallShield a fair bit. */
WARN("semi-stub: %p %p/%d %p %p\n",
hNamedPipe, lpMode, lpMode ? *lpMode : 0, lpMaxCollectionCount, lpCollectDataTimeout);
if (lpMode)
{
FILE_PIPE_INFORMATION fpi;
IO_STATUS_BLOCK iosb;
NTSTATUS status;
if (*lpMode & ~(PIPE_READMODE_MESSAGE | PIPE_NOWAIT))
status = STATUS_INVALID_PARAMETER;
else
{
fpi.CompletionMode = (*lpMode & PIPE_NOWAIT) ?
FILE_PIPE_COMPLETE_OPERATION : FILE_PIPE_QUEUE_OPERATION;
fpi.ReadMode = (*lpMode & PIPE_READMODE_MESSAGE) ?
FILE_PIPE_MESSAGE_MODE : FILE_PIPE_BYTE_STREAM_MODE;
status = NtSetInformationFile(hNamedPipe, &iosb, &fpi, sizeof(fpi), FilePipeInformation);
}
if (status)
{
SetLastError( RtlNtStatusToDosError(status) );
return FALSE;
}
}
return TRUE;
}
/***********************************************************************
* CallNamedPipeA (KERNEL32.@)
*/
BOOL WINAPI CallNamedPipeA(
LPCSTR lpNamedPipeName, LPVOID lpInput, DWORD dwInputSize,
LPVOID lpOutput, DWORD dwOutputSize,
LPDWORD lpBytesRead, DWORD nTimeout)
{
DWORD len;
LPWSTR str = NULL;
BOOL ret;
TRACE("%s %p %d %p %d %p %d\n",
debugstr_a(lpNamedPipeName), lpInput, dwInputSize,
lpOutput, dwOutputSize, lpBytesRead, nTimeout);
if( lpNamedPipeName )
{
len = MultiByteToWideChar( CP_ACP, 0, lpNamedPipeName, -1, NULL, 0 );
str = HeapAlloc( GetProcessHeap(), 0, len*sizeof(WCHAR) );
MultiByteToWideChar( CP_ACP, 0, lpNamedPipeName, -1, str, len );
}
ret = CallNamedPipeW( str, lpInput, dwInputSize, lpOutput,
dwOutputSize, lpBytesRead, nTimeout );
if( lpNamedPipeName )
HeapFree( GetProcessHeap(), 0, str );
return ret;
}
/***********************************************************************
* CallNamedPipeW (KERNEL32.@)
*/
BOOL WINAPI CallNamedPipeW(
LPCWSTR lpNamedPipeName, LPVOID lpInput, DWORD lpInputSize,
LPVOID lpOutput, DWORD lpOutputSize,
LPDWORD lpBytesRead, DWORD nTimeout)
{
HANDLE pipe;
BOOL ret;
DWORD mode;
TRACE("%s %p %d %p %d %p %d\n",
debugstr_w(lpNamedPipeName), lpInput, lpInputSize,
lpOutput, lpOutputSize, lpBytesRead, nTimeout);
pipe = CreateFileW(lpNamedPipeName, GENERIC_READ|GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);
if (pipe == INVALID_HANDLE_VALUE)
{
ret = WaitNamedPipeW(lpNamedPipeName, nTimeout);
if (!ret)
return FALSE;
pipe = CreateFileW(lpNamedPipeName, GENERIC_READ|GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);
if (pipe == INVALID_HANDLE_VALUE)
return FALSE;
}
mode = PIPE_READMODE_MESSAGE;
ret = SetNamedPipeHandleState(pipe, &mode, NULL, NULL);
if (!ret)
{
CloseHandle(pipe);
return FALSE;
}
ret = TransactNamedPipe(pipe, lpInput, lpInputSize, lpOutput, lpOutputSize, lpBytesRead, NULL);
CloseHandle(pipe);
if (!ret)
return FALSE;
return TRUE;
}
/******************************************************************
* CreatePipe (KERNEL32.@)
*
*/
BOOL WINAPI CreatePipe( PHANDLE hReadPipe, PHANDLE hWritePipe,
LPSECURITY_ATTRIBUTES sa, DWORD size )
{
static unsigned index /* = 0 */;
WCHAR name[64];
HANDLE hr, hw;
unsigned in_index = index;
UNICODE_STRING nt_name;
OBJECT_ATTRIBUTES attr;
NTSTATUS status;
IO_STATUS_BLOCK iosb;
LARGE_INTEGER timeout;
*hReadPipe = *hWritePipe = INVALID_HANDLE_VALUE;
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.ObjectName = &nt_name;
attr.Attributes = OBJ_CASE_INSENSITIVE |
((sa && sa->bInheritHandle) ? OBJ_INHERIT : 0);
attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
attr.SecurityQualityOfService = NULL;
if (!size) size = 4096;
timeout.QuadPart = (ULONGLONG)NMPWAIT_USE_DEFAULT_WAIT * -10000;
/* generate a unique pipe name (system wide) */
do
{
static const WCHAR nameFmt[] = { '\\','?','?','\\','p','i','p','e',
'\\','W','i','n','3','2','.','P','i','p','e','s','.','%','0','8','l',
'u','.','%','0','8','u','\0' };
snprintfW(name, ARRAY_SIZE(name), nameFmt, GetCurrentProcessId(), ++index);
RtlInitUnicodeString(&nt_name, name);
status = NtCreateNamedPipeFile(&hr, GENERIC_READ | FILE_WRITE_ATTRIBUTES | SYNCHRONIZE,
&attr, &iosb, FILE_SHARE_WRITE, FILE_OVERWRITE_IF,
FILE_SYNCHRONOUS_IO_NONALERT,
FALSE, FALSE, FALSE,
1, size, size, &timeout);
if (status)
{
SetLastError( RtlNtStatusToDosError(status) );
hr = INVALID_HANDLE_VALUE;
}
} while (hr == INVALID_HANDLE_VALUE && index != in_index);
/* from completion sakeness, I think system resources might be exhausted before this happens !! */
if (hr == INVALID_HANDLE_VALUE) return FALSE;
status = NtOpenFile(&hw, GENERIC_WRITE | FILE_READ_ATTRIBUTES | SYNCHRONIZE, &attr, &iosb, 0,
FILE_SYNCHRONOUS_IO_NONALERT | FILE_NON_DIRECTORY_FILE);
if (status)
{
SetLastError( RtlNtStatusToDosError(status) );
NtClose(hr);
return FALSE;
}
*hReadPipe = hr;
*hWritePipe = hw;
return TRUE;
}
/******************************************************************************
* CreateMailslotA [KERNEL32.@]
*
* See CreateMailslotW.
*/
HANDLE WINAPI CreateMailslotA( LPCSTR lpName, DWORD nMaxMessageSize,
DWORD lReadTimeout, LPSECURITY_ATTRIBUTES sa )
{
DWORD len;
HANDLE handle;
LPWSTR name = NULL;
TRACE("%s %d %d %p\n", debugstr_a(lpName),
nMaxMessageSize, lReadTimeout, sa);
if( lpName )
{
len = MultiByteToWideChar( CP_ACP, 0, lpName, -1, NULL, 0 );
name = HeapAlloc( GetProcessHeap(), 0, len*sizeof(WCHAR) );
MultiByteToWideChar( CP_ACP, 0, lpName, -1, name, len );
}
handle = CreateMailslotW( name, nMaxMessageSize, lReadTimeout, sa );
HeapFree( GetProcessHeap(), 0, name );
return handle;
}
/******************************************************************************
* CreateMailslotW [KERNEL32.@]
*
* Create a mailslot with specified name.
*
* PARAMS
* lpName [I] Pointer to string for mailslot name
* nMaxMessageSize [I] Maximum message size
* lReadTimeout [I] Milliseconds before read time-out
* sa [I] Pointer to security structure
*
* RETURNS
* Success: Handle to mailslot
* Failure: INVALID_HANDLE_VALUE
*/
HANDLE WINAPI CreateMailslotW( LPCWSTR lpName, DWORD nMaxMessageSize,
DWORD lReadTimeout, LPSECURITY_ATTRIBUTES sa )
{
HANDLE handle = INVALID_HANDLE_VALUE;
OBJECT_ATTRIBUTES attr;
UNICODE_STRING nameW;
LARGE_INTEGER timeout;
IO_STATUS_BLOCK iosb;
NTSTATUS status;
TRACE("%s %d %d %p\n", debugstr_w(lpName),
nMaxMessageSize, lReadTimeout, sa);
if (!RtlDosPathNameToNtPathName_U( lpName, &nameW, NULL, NULL ))
{
SetLastError( ERROR_PATH_NOT_FOUND );
return INVALID_HANDLE_VALUE;
}
if (nameW.Length >= MAX_PATH * sizeof(WCHAR) )
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
RtlFreeUnicodeString( &nameW );
return INVALID_HANDLE_VALUE;
}
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.Attributes = OBJ_CASE_INSENSITIVE;
attr.ObjectName = &nameW;
attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
attr.SecurityQualityOfService = NULL;
if (lReadTimeout != MAILSLOT_WAIT_FOREVER)
timeout.QuadPart = (ULONGLONG) lReadTimeout * -10000;
else
timeout.QuadPart = ((LONGLONG)0x7fffffff << 32) | 0xffffffff;
status = NtCreateMailslotFile( &handle, GENERIC_READ | SYNCHRONIZE, &attr,
&iosb, 0, 0, nMaxMessageSize, &timeout );
if (status)
{
SetLastError( RtlNtStatusToDosError(status) );
handle = INVALID_HANDLE_VALUE;
}
RtlFreeUnicodeString( &nameW );
return handle;
}
/******************************************************************************
* GetMailslotInfo [KERNEL32.@]
*
* Retrieve information about a mailslot.
*
* PARAMS
* hMailslot [I] Mailslot handle
* lpMaxMessageSize [O] Address of maximum message size
* lpNextSize [O] Address of size of next message
* lpMessageCount [O] Address of number of messages
* lpReadTimeout [O] Address of read time-out
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI GetMailslotInfo( HANDLE hMailslot, LPDWORD lpMaxMessageSize,
LPDWORD lpNextSize, LPDWORD lpMessageCount,
LPDWORD lpReadTimeout )
{
FILE_MAILSLOT_QUERY_INFORMATION info;
IO_STATUS_BLOCK iosb;
NTSTATUS status;
TRACE("%p %p %p %p %p\n",hMailslot, lpMaxMessageSize,
lpNextSize, lpMessageCount, lpReadTimeout);
status = NtQueryInformationFile( hMailslot, &iosb, &info, sizeof info,
FileMailslotQueryInformation );
if( status != STATUS_SUCCESS )
{
SetLastError( RtlNtStatusToDosError(status) );
return FALSE;
}
if( lpMaxMessageSize )
*lpMaxMessageSize = info.MaximumMessageSize;
if( lpNextSize )
*lpNextSize = info.NextMessageSize;
if( lpMessageCount )
*lpMessageCount = info.MessagesAvailable;
if( lpReadTimeout )
{
if (info.ReadTimeout.QuadPart == (((LONGLONG)0x7fffffff << 32) | 0xffffffff))
*lpReadTimeout = MAILSLOT_WAIT_FOREVER;
else
*lpReadTimeout = info.ReadTimeout.QuadPart / -10000;
}
return TRUE;
}
/******************************************************************************
* SetMailslotInfo [KERNEL32.@]
*
* Set the read timeout of a mailslot.
*
* PARAMS
* hMailslot [I] Mailslot handle
* dwReadTimeout [I] Timeout in milliseconds.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI SetMailslotInfo( HANDLE hMailslot, DWORD dwReadTimeout)
{
FILE_MAILSLOT_SET_INFORMATION info;
IO_STATUS_BLOCK iosb;
NTSTATUS status;
TRACE("%p %d\n", hMailslot, dwReadTimeout);
if (dwReadTimeout != MAILSLOT_WAIT_FOREVER)
info.ReadTimeout.QuadPart = (ULONGLONG)dwReadTimeout * -10000;
else
info.ReadTimeout.QuadPart = ((LONGLONG)0x7fffffff << 32) | 0xffffffff;
status = NtSetInformationFile( hMailslot, &iosb, &info, sizeof info,
FileMailslotSetInformation );
if( status != STATUS_SUCCESS )
{
SetLastError( RtlNtStatusToDosError(status) );
return FALSE;
}
return TRUE;
}
/******************************************************************************
* CreateIoCompletionPort (KERNEL32.@)
*/
HANDLE WINAPI CreateIoCompletionPort(HANDLE hFileHandle, HANDLE hExistingCompletionPort,
ULONG_PTR CompletionKey, DWORD dwNumberOfConcurrentThreads)
{
NTSTATUS status;
HANDLE ret = 0;
TRACE("(%p, %p, %08lx, %08x)\n",
hFileHandle, hExistingCompletionPort, CompletionKey, dwNumberOfConcurrentThreads);
if (hExistingCompletionPort && hFileHandle == INVALID_HANDLE_VALUE)
{
SetLastError( ERROR_INVALID_PARAMETER);
return NULL;
}
if (hExistingCompletionPort)
ret = hExistingCompletionPort;
else
{
status = NtCreateIoCompletion( &ret, IO_COMPLETION_ALL_ACCESS, NULL, dwNumberOfConcurrentThreads );
if (status != STATUS_SUCCESS) goto fail;
}
if (hFileHandle != INVALID_HANDLE_VALUE)
{
FILE_COMPLETION_INFORMATION info;
IO_STATUS_BLOCK iosb;
info.CompletionPort = ret;
info.CompletionKey = CompletionKey;
status = NtSetInformationFile( hFileHandle, &iosb, &info, sizeof(info), FileCompletionInformation );
if (status != STATUS_SUCCESS) goto fail;
}
return ret;
fail:
if (ret && !hExistingCompletionPort)
CloseHandle( ret );
SetLastError( RtlNtStatusToDosError(status) );
return 0;
}
/******************************************************************************
* GetQueuedCompletionStatus (KERNEL32.@)
*/
BOOL WINAPI GetQueuedCompletionStatus( HANDLE CompletionPort, LPDWORD lpNumberOfBytesTransferred,
PULONG_PTR pCompletionKey, LPOVERLAPPED *lpOverlapped,
DWORD dwMilliseconds )
{
NTSTATUS status;
IO_STATUS_BLOCK iosb;
LARGE_INTEGER wait_time;
TRACE("(%p,%p,%p,%p,%d)\n",
CompletionPort,lpNumberOfBytesTransferred,pCompletionKey,lpOverlapped,dwMilliseconds);
*lpOverlapped = NULL;
status = NtRemoveIoCompletion( CompletionPort, pCompletionKey, (PULONG_PTR)lpOverlapped,
&iosb, get_nt_timeout( &wait_time, dwMilliseconds ) );
if (status == STATUS_SUCCESS)
{
*lpNumberOfBytesTransferred = iosb.Information;
if (iosb.u.Status >= 0) return TRUE;
SetLastError( RtlNtStatusToDosError(iosb.u.Status) );
return FALSE;
}
if (status == STATUS_TIMEOUT) SetLastError( WAIT_TIMEOUT );
else SetLastError( RtlNtStatusToDosError(status) );
return FALSE;
}
/******************************************************************************
* GetQueuedCompletionStatusEx (KERNEL32.@)
*/
BOOL WINAPI GetQueuedCompletionStatusEx( HANDLE port, OVERLAPPED_ENTRY *entries, ULONG count,
ULONG *written, DWORD timeout, BOOL alertable )
{
LARGE_INTEGER time;
NTSTATUS ret;
TRACE("%p %p %u %p %u %u\n", port, entries, count, written, timeout, alertable);
ret = NtRemoveIoCompletionEx( port, (FILE_IO_COMPLETION_INFORMATION *)entries, count,
written, get_nt_timeout( &time, timeout ), alertable );
if (ret == STATUS_SUCCESS) return TRUE;
else if (ret == STATUS_TIMEOUT) SetLastError( WAIT_TIMEOUT );
else if (ret == STATUS_USER_APC) SetLastError( WAIT_IO_COMPLETION );
else SetLastError( RtlNtStatusToDosError(ret) );
return FALSE;
}
/******************************************************************************
* PostQueuedCompletionStatus (KERNEL32.@)
*/
BOOL WINAPI PostQueuedCompletionStatus( HANDLE CompletionPort, DWORD dwNumberOfBytes,
ULONG_PTR dwCompletionKey, LPOVERLAPPED lpOverlapped)
{
NTSTATUS status;
TRACE("%p %d %08lx %p\n", CompletionPort, dwNumberOfBytes, dwCompletionKey, lpOverlapped );
status = NtSetIoCompletion( CompletionPort, dwCompletionKey, (ULONG_PTR)lpOverlapped,
STATUS_SUCCESS, dwNumberOfBytes );
if (status == STATUS_SUCCESS) return TRUE;
SetLastError( RtlNtStatusToDosError(status) );
return FALSE;
}
/******************************************************************************
* BindIoCompletionCallback (KERNEL32.@)
*/
BOOL WINAPI BindIoCompletionCallback( HANDLE FileHandle, LPOVERLAPPED_COMPLETION_ROUTINE Function, ULONG Flags)
{
NTSTATUS status;
TRACE("(%p, %p, %d)\n", FileHandle, Function, Flags);
status = RtlSetIoCompletionCallback( FileHandle, (PRTL_OVERLAPPED_COMPLETION_ROUTINE)Function, Flags );
if (status == STATUS_SUCCESS) return TRUE;
SetLastError( RtlNtStatusToDosError(status) );
return FALSE;
}
/***********************************************************************
* CreateMemoryResourceNotification (KERNEL32.@)
*/
HANDLE WINAPI CreateMemoryResourceNotification(MEMORY_RESOURCE_NOTIFICATION_TYPE type)
{
static const WCHAR lowmemW[] =
{'\\','K','e','r','n','e','l','O','b','j','e','c','t','s',
'\\','L','o','w','M','e','m','o','r','y','C','o','n','d','i','t','i','o','n',0};
static const WCHAR highmemW[] =
{'\\','K','e','r','n','e','l','O','b','j','e','c','t','s',
'\\','H','i','g','h','M','e','m','o','r','y','C','o','n','d','i','t','i','o','n',0};
HANDLE ret;
UNICODE_STRING nameW;
OBJECT_ATTRIBUTES attr;
NTSTATUS status;
switch (type)
{
case LowMemoryResourceNotification:
RtlInitUnicodeString( &nameW, lowmemW );
break;
case HighMemoryResourceNotification:
RtlInitUnicodeString( &nameW, highmemW );
break;
default:
SetLastError( ERROR_INVALID_PARAMETER );
return 0;
}
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.ObjectName = &nameW;
attr.Attributes = 0;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
status = NtOpenEvent( &ret, EVENT_ALL_ACCESS, &attr );
if (status != STATUS_SUCCESS)
{
SetLastError( RtlNtStatusToDosError(status) );
return 0;
}
return ret;
}
/***********************************************************************
* QueryMemoryResourceNotification (KERNEL32.@)
*/
BOOL WINAPI QueryMemoryResourceNotification(HANDLE handle, PBOOL state)
{
switch (WaitForSingleObject( handle, 0 ))
{
case WAIT_OBJECT_0:
*state = TRUE;
return TRUE;
case WAIT_TIMEOUT:
*state = FALSE;
return TRUE;
}
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
/***********************************************************************
* InitOnceBeginInitialize (KERNEL32.@)
*/
BOOL WINAPI InitOnceBeginInitialize( INIT_ONCE *once, DWORD flags, BOOL *pending, void **context )
{
NTSTATUS status = RtlRunOnceBeginInitialize( once, flags, context );
if (status >= 0) *pending = (status == STATUS_PENDING);
else SetLastError( RtlNtStatusToDosError(status) );
return status >= 0;
}
/***********************************************************************
* InitOnceComplete (KERNEL32.@)
*/
BOOL WINAPI InitOnceComplete( INIT_ONCE *once, DWORD flags, void *context )
{
NTSTATUS status = RtlRunOnceComplete( once, flags, context );
if (status != STATUS_SUCCESS) SetLastError( RtlNtStatusToDosError(status) );
return !status;
}
/***********************************************************************
* InitOnceExecuteOnce (KERNEL32.@)
*/
BOOL WINAPI InitOnceExecuteOnce( INIT_ONCE *once, PINIT_ONCE_FN func, void *param, void **context )
{
return !RtlRunOnceExecuteOnce( once, (PRTL_RUN_ONCE_INIT_FN)func, param, context );
}
#ifdef __i386__
/***********************************************************************
* InterlockedCompareExchange (KERNEL32.@)
*/
/* LONG WINAPI InterlockedCompareExchange( PLONG dest, LONG xchg, LONG compare ); */
__ASM_STDCALL_FUNC(InterlockedCompareExchange, 12,
"movl 12(%esp),%eax\n\t"
"movl 8(%esp),%ecx\n\t"
"movl 4(%esp),%edx\n\t"
"lock; cmpxchgl %ecx,(%edx)\n\t"
"ret $12")
/***********************************************************************
* InterlockedExchange (KERNEL32.@)
*/
/* LONG WINAPI InterlockedExchange( PLONG dest, LONG val ); */
__ASM_STDCALL_FUNC(InterlockedExchange, 8,
"movl 8(%esp),%eax\n\t"
"movl 4(%esp),%edx\n\t"
"lock; xchgl %eax,(%edx)\n\t"
"ret $8")
/***********************************************************************
* InterlockedExchangeAdd (KERNEL32.@)
*/
/* LONG WINAPI InterlockedExchangeAdd( PLONG dest, LONG incr ); */
__ASM_STDCALL_FUNC(InterlockedExchangeAdd, 8,
"movl 8(%esp),%eax\n\t"
"movl 4(%esp),%edx\n\t"
"lock; xaddl %eax,(%edx)\n\t"
"ret $8")
/***********************************************************************
* InterlockedIncrement (KERNEL32.@)
*/
/* LONG WINAPI InterlockedIncrement( PLONG dest ); */
__ASM_STDCALL_FUNC(InterlockedIncrement, 4,
"movl 4(%esp),%edx\n\t"
"movl $1,%eax\n\t"
"lock; xaddl %eax,(%edx)\n\t"
"incl %eax\n\t"
"ret $4")
/***********************************************************************
* InterlockedDecrement (KERNEL32.@)
*/
__ASM_STDCALL_FUNC(InterlockedDecrement, 4,
"movl 4(%esp),%edx\n\t"
"movl $-1,%eax\n\t"
"lock; xaddl %eax,(%edx)\n\t"
"decl %eax\n\t"
"ret $4")
#endif /* __i386__ */
/***********************************************************************
* SleepConditionVariableCS (KERNEL32.@)
*/
BOOL WINAPI SleepConditionVariableCS( CONDITION_VARIABLE *variable, CRITICAL_SECTION *crit, DWORD timeout )
{
NTSTATUS status;
LARGE_INTEGER time;
status = RtlSleepConditionVariableCS( variable, crit, get_nt_timeout( &time, timeout ) );
if (status != STATUS_SUCCESS)
{
SetLastError( RtlNtStatusToDosError(status) );
return FALSE;
}
return TRUE;
}
/***********************************************************************
* SleepConditionVariableSRW (KERNEL32.@)
*/
BOOL WINAPI SleepConditionVariableSRW( RTL_CONDITION_VARIABLE *variable, RTL_SRWLOCK *lock, DWORD timeout, ULONG flags )
{
NTSTATUS status;
LARGE_INTEGER time;
status = RtlSleepConditionVariableSRW( variable, lock, get_nt_timeout( &time, timeout ), flags );
if (status != STATUS_SUCCESS)
{
SetLastError( RtlNtStatusToDosError(status) );
return FALSE;
}
return TRUE;
}
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