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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>
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winbase.h"
#include "winerror.h"
#include "winnls.h"
#include "winternl.h"
#include "winioctl.h"
#include "ddk/wdm.h"
#include "wine/unicode.h"
#include "wine/winbase16.h"
#include "kernel_private.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(sync);
/* check if current version is NT or Win95 */
static inline int is_version_nt(void)
{
return !(GetVersion() & 0x80000000);
}
/* returns directory handle to \\BaseNamedObjects */
HANDLE get_BaseNamedObjects_handle(void)
{
static HANDLE handle = NULL;
static const WCHAR basenameW[] =
{'\\','B','a','s','e','N','a','m','e','d','O','b','j','e','c','t','s',0};
UNICODE_STRING str;
OBJECT_ATTRIBUTES attr;
if (!handle)
{
HANDLE dir;
RtlInitUnicodeString(&str, basenameW);
InitializeObjectAttributes(&attr, &str, 0, 0, NULL);
NtOpenDirectoryObject(&dir, DIRECTORY_CREATE_OBJECT|DIRECTORY_TRAVERSE,
&attr);
if (InterlockedCompareExchangePointer( (PVOID)&handle, dir, 0 ) != 0)
{
/* someone beat us here... */
CloseHandle( dir );
}
}
return handle;
}
/* 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 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 );
}
/***********************************************************************
* 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++)
{
if ((handles[i] == (HANDLE)STD_INPUT_HANDLE) ||
(handles[i] == (HANDLE)STD_OUTPUT_HANDLE) ||
(handles[i] == (HANDLE)STD_ERROR_HANDLE))
hloc[i] = GetStdHandle( HandleToULong(handles[i]) );
else
hloc[i] = handles[i];
/* yes, even screen buffer console handles are waitable, and are
* handled as a handle to the console itself !!
*/
if (is_console_handle(hloc[i]))
{
if (!VerifyConsoleIoHandle(hloc[i]))
{
return FALSE;
}
hloc[i] = GetConsoleInputWaitHandle();
}
}
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;
}
/***********************************************************************
* WaitForSingleObject (KERNEL.460)
*/
DWORD WINAPI WaitForSingleObject16( HANDLE handle, DWORD timeout )
{
DWORD retval, mutex_count;
ReleaseThunkLock( &mutex_count );
retval = WaitForSingleObject( handle, timeout );
RestoreThunkLock( mutex_count );
return retval;
}
/***********************************************************************
* WaitForMultipleObjects (KERNEL.461)
*/
DWORD WINAPI WaitForMultipleObjects16( DWORD count, const HANDLE *handles,
BOOL wait_all, DWORD timeout )
{
DWORD retval, mutex_count;
ReleaseThunkLock( &mutex_count );
retval = WaitForMultipleObjectsEx( count, handles, wait_all, timeout, FALSE );
RestoreThunkLock( mutex_count );
return retval;
}
/***********************************************************************
* WaitForMultipleObjectsEx (KERNEL.495)
*/
DWORD WINAPI WaitForMultipleObjectsEx16( DWORD count, const HANDLE *handles,
BOOL wait_all, DWORD timeout, BOOL alertable )
{
DWORD retval, mutex_count;
ReleaseThunkLock( &mutex_count );
retval = WaitForMultipleObjectsEx( count, handles, wait_all, timeout, alertable );
RestoreThunkLock( mutex_count );
return retval;
}
/***********************************************************************
* 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);
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);
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 )
{
FIXME("%p %p\n",WaitHandle, CompletionEvent);
return FALSE;
}
/***********************************************************************
* SignalObjectAndWait (KERNEL32.@)
*
* Allows to atomically signal any of the synchro 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 CreateEventA( SECURITY_ATTRIBUTES *sa, BOOL manual_reset,
BOOL initial_state, LPCSTR name )
{
WCHAR buffer[MAX_PATH];
if (!name) return CreateEventW( sa, manual_reset, initial_state, NULL );
if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
return 0;
}
return CreateEventW( sa, manual_reset, initial_state, buffer );
}
/***********************************************************************
* CreateEventW (KERNEL32.@)
*/
HANDLE WINAPI CreateEventW( SECURITY_ATTRIBUTES *sa, BOOL manual_reset,
BOOL initial_state, LPCWSTR name )
{
HANDLE ret;
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;
}
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();
}
status = NtCreateEvent( &ret, EVENT_ALL_ACCESS, &attr, manual_reset, initial_state );
if (status == STATUS_OBJECT_NAME_EXISTS)
SetLastError( ERROR_ALREADY_EXISTS );
else
SetLastError( RtlNtStatusToDosError(status) );
return ret;
}
/***********************************************************************
* CreateW32Event (KERNEL.457)
*/
HANDLE WINAPI WIN16_CreateEvent( BOOL manual_reset, BOOL initial_state )
{
return CreateEventW( NULL, manual_reset, initial_state, NULL );
}
/***********************************************************************
* OpenEventA (KERNEL32.@)
*/
HANDLE WINAPI 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 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;
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.ObjectName = NULL;
attr.Attributes = inherit ? OBJ_INHERIT : 0;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
if (name)
{
RtlInitUnicodeString( &nameW, name );
attr.ObjectName = &nameW;
attr.RootDirectory = get_BaseNamedObjects_handle();
}
status = NtOpenEvent( &ret, access, &attr );
if (status != STATUS_SUCCESS)
{
SetLastError( RtlNtStatusToDosError(status) );
return 0;
}
return ret;
}
/***********************************************************************
* PulseEvent (KERNEL32.@)
*/
BOOL WINAPI PulseEvent( HANDLE handle )
{
NTSTATUS status;
if ((status = NtPulseEvent( handle, NULL )))
SetLastError( RtlNtStatusToDosError(status) );
return !status;
}
/***********************************************************************
* SetW32Event (KERNEL.458)
* SetEvent (KERNEL32.@)
*/
BOOL WINAPI SetEvent( HANDLE handle )
{
NTSTATUS status;
if ((status = NtSetEvent( handle, NULL )))
SetLastError( RtlNtStatusToDosError(status) );
return !status;
}
/***********************************************************************
* ResetW32Event (KERNEL.459)
* ResetEvent (KERNEL32.@)
*/
BOOL WINAPI ResetEvent( HANDLE handle )
{
NTSTATUS status;
if ((status = NtResetEvent( handle, NULL )))
SetLastError( RtlNtStatusToDosError(status) );
return !status;
}
/***********************************************************************
* NOTE: The Win95 VWin32_Event routines given below are really low-level
* routines implemented directly by VWin32. The user-mode libraries
* implement Win32 synchronisation routines on top of these low-level
* primitives. We do it the other way around here :-)
*/
/***********************************************************************
* VWin32_EventCreate (KERNEL.442)
*/
HANDLE WINAPI VWin32_EventCreate(VOID)
{
HANDLE hEvent = CreateEventW( NULL, FALSE, 0, NULL );
return ConvertToGlobalHandle( hEvent );
}
/***********************************************************************
* VWin32_EventDestroy (KERNEL.443)
*/
VOID WINAPI VWin32_EventDestroy(HANDLE event)
{
CloseHandle( event );
}
/***********************************************************************
* VWin32_EventWait (KERNEL.450)
*/
VOID WINAPI VWin32_EventWait(HANDLE event)
{
DWORD mutex_count;
ReleaseThunkLock( &mutex_count );
WaitForSingleObject( event, INFINITE );
RestoreThunkLock( mutex_count );
}
/***********************************************************************
* VWin32_EventSet (KERNEL.451)
* KERNEL_479 (KERNEL.479)
*/
VOID WINAPI VWin32_EventSet(HANDLE event)
{
SetEvent( event );
}
/***********************************************************************
* CreateMutexA (KERNEL32.@)
*/
HANDLE WINAPI CreateMutexA( SECURITY_ATTRIBUTES *sa, BOOL owner, LPCSTR name )
{
WCHAR buffer[MAX_PATH];
if (!name) return CreateMutexW( sa, owner, NULL );
if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
return 0;
}
return CreateMutexW( sa, owner, buffer );
}
/***********************************************************************
* CreateMutexW (KERNEL32.@)
*/
HANDLE WINAPI CreateMutexW( SECURITY_ATTRIBUTES *sa, BOOL owner, LPCWSTR name )
{
HANDLE ret;
UNICODE_STRING nameW;
OBJECT_ATTRIBUTES attr;
NTSTATUS status;
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();
}
status = NtCreateMutant( &ret, MUTEX_ALL_ACCESS, &attr, owner );
if (status == STATUS_OBJECT_NAME_EXISTS)
SetLastError( ERROR_ALREADY_EXISTS );
else
SetLastError( RtlNtStatusToDosError(status) );
return ret;
}
/***********************************************************************
* OpenMutexA (KERNEL32.@)
*/
HANDLE WINAPI 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 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;
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.ObjectName = NULL;
attr.Attributes = inherit ? OBJ_INHERIT : 0;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
if (name)
{
RtlInitUnicodeString( &nameW, name );
attr.ObjectName = &nameW;
attr.RootDirectory = get_BaseNamedObjects_handle();
}
status = NtOpenMutant( &ret, access, &attr );
if (status != STATUS_SUCCESS)
{
SetLastError( RtlNtStatusToDosError(status) );
return 0;
}
return ret;
}
/***********************************************************************
* ReleaseMutex (KERNEL32.@)
*/
BOOL WINAPI 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 CreateSemaphoreA( SECURITY_ATTRIBUTES *sa, LONG initial, LONG max, LPCSTR name )
{
WCHAR buffer[MAX_PATH];
if (!name) return CreateSemaphoreW( sa, initial, max, NULL );
if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
return 0;
}
return CreateSemaphoreW( sa, initial, max, buffer );
}
/***********************************************************************
* CreateSemaphoreW (KERNEL32.@)
*/
HANDLE WINAPI CreateSemaphoreW( SECURITY_ATTRIBUTES *sa, LONG initial,
LONG max, LPCWSTR name )
{
HANDLE ret;
UNICODE_STRING nameW;
OBJECT_ATTRIBUTES attr;
NTSTATUS status;
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();
}
status = NtCreateSemaphore( &ret, SEMAPHORE_ALL_ACCESS, &attr, initial, max );
if (status == STATUS_OBJECT_NAME_EXISTS)
SetLastError( ERROR_ALREADY_EXISTS );
else
SetLastError( RtlNtStatusToDosError(status) );
return ret;
}
/***********************************************************************
* OpenSemaphoreA (KERNEL32.@)
*/
HANDLE WINAPI 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 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;
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.ObjectName = NULL;
attr.Attributes = inherit ? OBJ_INHERIT : 0;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
if (name)
{
RtlInitUnicodeString( &nameW, name );
attr.ObjectName = &nameW;
attr.RootDirectory = get_BaseNamedObjects_handle();
}
status = NtOpenSemaphore( &ret, access, &attr );
if (status != STATUS_SUCCESS)
{
SetLastError( RtlNtStatusToDosError(status) );
return 0;
}
return ret;
}
/***********************************************************************
* ReleaseSemaphore (KERNEL32.@)
*/
BOOL WINAPI ReleaseSemaphore( HANDLE handle, LONG count, LONG *previous )
{
NTSTATUS status = NtReleaseSemaphore( handle, count, (PULONG)previous );
if (status) SetLastError( RtlNtStatusToDosError(status) );
return !status;
}
/*
* Timers
*/
/***********************************************************************
* CreateWaitableTimerA (KERNEL32.@)
*/
HANDLE WINAPI CreateWaitableTimerA( SECURITY_ATTRIBUTES *sa, BOOL manual, LPCSTR name )
{
WCHAR buffer[MAX_PATH];
if (!name) return CreateWaitableTimerW( sa, manual, NULL );
if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
{
SetLastError( ERROR_FILENAME_EXCED_RANGE );
return 0;
}
return CreateWaitableTimerW( sa, manual, buffer );
}
/***********************************************************************
* CreateWaitableTimerW (KERNEL32.@)
*/
HANDLE WINAPI CreateWaitableTimerW( SECURITY_ATTRIBUTES *sa, BOOL manual, LPCWSTR name )
{
HANDLE handle;
NTSTATUS status;
UNICODE_STRING nameW;
OBJECT_ATTRIBUTES attr;
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();
}
status = NtCreateTimer(&handle, TIMER_ALL_ACCESS, &attr,
manual ? 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;
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.ObjectName = NULL;
attr.Attributes = inherit ? OBJ_INHERIT : 0;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
if (name)
{
RtlInitUnicodeString( &nameW, name );
attr.ObjectName = &nameW;
attr.RootDirectory = get_BaseNamedObjects_handle();
}
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;
}
/***********************************************************************
* 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;
}
/***********************************************************************
* 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;
}
/***********************************************************************
* 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;
}
/*
* 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;
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:
options = FILE_PIPE_INBOUND;
access = GENERIC_READ;
break;
case PIPE_ACCESS_OUTBOUND:
options = FILE_PIPE_OUTBOUND;
access = GENERIC_WRITE;
break;
case PIPE_ACCESS_DUPLEX:
options = FILE_PIPE_FULL_DUPLEX;
access = GENERIC_READ | GENERIC_WRITE;
break;
default:
SetLastError( ERROR_INVALID_PARAMETER );
return INVALID_HANDLE_VALUE;
}
access |= SYNCHRONIZE;
if (dwOpenMode & FILE_FLAG_WRITE_THROUGH) options |= FILE_WRITE_THROUGH;
if (!(dwOpenMode & FILE_FLAG_OVERLAPPED)) options |= FILE_SYNCHRONOUS_IO_ALERT;
pipe_type = (dwPipeMode & PIPE_TYPE_MESSAGE) ? TRUE : FALSE;
read_mode = (dwPipeMode & PIPE_READMODE_MESSAGE) ? TRUE : FALSE;
non_block = (dwPipeMode & PIPE_NOWAIT) ? TRUE : FALSE;
if (nMaxInstances >= PIPE_UNLIMITED_INSTANCES) nMaxInstances = ~0U;
timeout.QuadPart = (ULONGLONG)nDefaultTimeOut * -10000;
SetLastError(0);
status = NtCreateNamedPipeFile(&handle, access, &attr, &iosb, 0,
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 = 0; /* FIXME */
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 0;
}
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, sizeof(leadin)/sizeof(WCHAR) != 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, &attr,
&iosb, FILE_SHARE_READ | FILE_SHARE_WRITE,
FILE_SYNCHRONOUS_IO_NONALERT);
if (status != ERROR_SUCCESS)
{
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 + sizeof(leadin)/sizeof(WCHAR),
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.@)
*
* BUGS
* should be done as a single operation in the wineserver or kernel
*/
BOOL WINAPI TransactNamedPipe(
HANDLE handle, LPVOID write_buf, DWORD write_size, LPVOID read_buf,
DWORD read_size, LPDWORD bytes_read, LPOVERLAPPED overlapped)
{
BOOL r;
DWORD count;
TRACE("%p %p %d %p %d %p %p\n",
handle, write_buf, write_size, read_buf,
read_size, bytes_read, overlapped);
if (overlapped)
{
FIXME("Doesn't support overlapped operation as yet\n");
return FALSE;
}
r = WriteFile(handle, write_buf, write_size, &count, NULL);
if (r)
r = ReadFile(handle, read_buf, read_size, bytes_read, NULL);
return r;
}
/***********************************************************************
* 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;
}
/***********************************************************************
* GetNamedPipeHandleStateA (KERNEL32.@)
*/
BOOL WINAPI GetNamedPipeHandleStateA(
HANDLE hNamedPipe, LPDWORD lpState, LPDWORD lpCurInstances,
LPDWORD lpMaxCollectionCount, LPDWORD lpCollectDataTimeout,
LPSTR lpUsername, DWORD nUsernameMaxSize)
{
FIXME("%p %p %p %p %p %p %d\n",
hNamedPipe, lpState, lpCurInstances,
lpMaxCollectionCount, lpCollectDataTimeout,
lpUsername, nUsernameMaxSize);
return FALSE;
}
/***********************************************************************
* GetNamedPipeHandleStateW (KERNEL32.@)
*/
BOOL WINAPI GetNamedPipeHandleStateW(
HANDLE hNamedPipe, LPDWORD lpState, LPDWORD lpCurInstances,
LPDWORD lpMaxCollectionCount, LPDWORD lpCollectDataTimeout,
LPWSTR lpUsername, DWORD nUsernameMaxSize)
{
FIXME("%p %p %p %p %p %p %d\n",
hNamedPipe, lpState, lpCurInstances,
lpMaxCollectionCount, lpCollectDataTimeout,
lpUsername, nUsernameMaxSize);
return FALSE;
}
/***********************************************************************
* 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("stub: %p %p/%d %p %p\n",
hNamedPipe, lpMode, lpMode ? *lpMode : 0, lpMaxCollectionCount, lpCollectDataTimeout);
return FALSE;
}
/***********************************************************************
* 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);
/* Currently SetNamedPipeHandleState() is a stub returning FALSE */
if (ret) FIXME("Now that SetNamedPipeHandleState() is more than a stub, please update CallNamedPipeW\n");
/*
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;
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, sizeof(name) / sizeof(name[0]), nameFmt,
GetCurrentProcessId(), ++index);
RtlInitUnicodeString(&nt_name, name);
status = NtCreateNamedPipeFile(&hr, GENERIC_READ | SYNCHRONIZE, &attr, &iosb,
0, FILE_OVERWRITE_IF,
FILE_SYNCHRONOUS_IO_ALERT | FILE_PIPE_INBOUND,
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 | SYNCHRONIZE, &attr, &iosb, 0,
FILE_SYNCHRONOUS_IO_ALERT | 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;
return TRUE;
}
SetLastError( RtlNtStatusToDosError(status) );
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;
}
/******************************************************************************
* CreateJobObjectW (KERNEL32.@)
*/
HANDLE WINAPI CreateJobObjectW( LPSECURITY_ATTRIBUTES attr, LPCWSTR name )
{
FIXME("%p %s\n", attr, debugstr_w(name) );
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return 0;
}
/******************************************************************************
* CreateJobObjectA (KERNEL32.@)
*/
HANDLE WINAPI CreateJobObjectA( LPSECURITY_ATTRIBUTES attr, LPCSTR name )
{
LPWSTR str = NULL;
UINT len;
HANDLE r;
TRACE("%p %s\n", attr, debugstr_a(name) );
if( name )
{
len = MultiByteToWideChar( CP_ACP, 0, name, -1, NULL, 0 );
str = HeapAlloc( GetProcessHeap(), 0, len*sizeof(WCHAR) );
if( !str )
{
SetLastError( ERROR_OUTOFMEMORY );
return 0;
}
len = MultiByteToWideChar( CP_ACP, 0, name, -1, str, len );
}
r = CreateJobObjectW( attr, str );
HeapFree( GetProcessHeap(), 0, str );
return r;
}
/******************************************************************************
* AssignProcessToJobObject (KERNEL32.@)
*/
BOOL WINAPI AssignProcessToJobObject( HANDLE hJob, HANDLE hProcess )
{
FIXME("%p %p\n", hJob, hProcess);
return TRUE;
}
#ifdef __i386__
/***********************************************************************
* InterlockedCompareExchange (KERNEL32.@)
*/
/* LONG WINAPI InterlockedCompareExchange( PLONG dest, LONG xchg, LONG compare ); */
__ASM_GLOBAL_FUNC(InterlockedCompareExchange,
"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_GLOBAL_FUNC(InterlockedExchange,
"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_GLOBAL_FUNC(InterlockedExchangeAdd,
"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_GLOBAL_FUNC(InterlockedIncrement,
"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_GLOBAL_FUNC(InterlockedDecrement,
"movl 4(%esp),%edx\n\t"
"movl $-1,%eax\n\t"
"lock; xaddl %eax,(%edx)\n\t"
"decl %eax\n\t"
"ret $4")
#else /* __i386__ */
/***********************************************************************
* InterlockedCompareExchange (KERNEL32.@)
*
* Atomically swap one value with another.
*
* PARAMS
* dest [I/O] The value to replace
* xchq [I] The value to be swapped
* compare [I] The value to compare to dest
*
* RETURNS
* The resulting value of dest.
*
* NOTES
* dest is updated only if it is equal to compare, otherwise no swap is done.
*/
LONG WINAPI InterlockedCompareExchange( LONG volatile *dest, LONG xchg, LONG compare )
{
return interlocked_cmpxchg( (int *)dest, xchg, compare );
}
/***********************************************************************
* InterlockedExchange (KERNEL32.@)
*
* Atomically swap one value with another.
*
* PARAMS
* dest [I/O] The value to replace
* val [I] The value to be swapped
*
* RETURNS
* The resulting value of dest.
*/
LONG WINAPI InterlockedExchange( LONG volatile *dest, LONG val )
{
return interlocked_xchg( (int *)dest, val );
}
/***********************************************************************
* InterlockedExchangeAdd (KERNEL32.@)
*
* Atomically add one value to another.
*
* PARAMS
* dest [I/O] The value to add to
* incr [I] The value to be added
*
* RETURNS
* The resulting value of dest.
*/
LONG WINAPI InterlockedExchangeAdd( LONG volatile *dest, LONG incr )
{
return interlocked_xchg_add( (int *)dest, incr );
}
/***********************************************************************
* InterlockedIncrement (KERNEL32.@)
*
* Atomically increment a value.
*
* PARAMS
* dest [I/O] The value to increment
*
* RETURNS
* The resulting value of dest.
*/
LONG WINAPI InterlockedIncrement( LONG volatile *dest )
{
return interlocked_xchg_add( (int *)dest, 1 ) + 1;
}
/***********************************************************************
* InterlockedDecrement (KERNEL32.@)
*
* Atomically decrement a value.
*
* PARAMS
* dest [I/O] The value to decrement
*
* RETURNS
* The resulting value of dest.
*/
LONG WINAPI InterlockedDecrement( LONG volatile *dest )
{
return interlocked_xchg_add( (int *)dest, -1 ) - 1;
}
#endif /* __i386__ */
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