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/*
* Win32 threads
*
* Copyright 1996 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 <assert.h>
#include <fcntl.h>
#include <stdarg.h>
#include <sys/types.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winbase.h"
#include "winerror.h"
#include "winternl.h"
#include "wine/exception.h"
#include "wine/library.h"
#include "wine/server.h"
#include "wine/debug.h"
#include "kernel_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(thread);
/***********************************************************************
* CreateThread (KERNEL32.@)
*/
HANDLE WINAPI DECLSPEC_HOTPATCH CreateThread( SECURITY_ATTRIBUTES *sa, SIZE_T stack, LPTHREAD_START_ROUTINE start,
LPVOID param, DWORD flags, LPDWORD id )
{
return CreateRemoteThread( GetCurrentProcess(),
sa, stack, start, param, flags, id );
}
/***************************************************************************
* CreateRemoteThread (KERNEL32.@)
*
* Creates a thread that runs in the address space of another process
*
* PARAMS
*
* RETURNS
* Success: Handle to the new thread.
* Failure: NULL. Use GetLastError() to find the error cause.
*
* BUGS
* Improper memory allocation: there's no ability to free new_thread_info
* in other process.
* Bad start address for RtlCreateUserThread because the library
* may be loaded at different address in other process.
*/
HANDLE WINAPI CreateRemoteThread( HANDLE hProcess, SECURITY_ATTRIBUTES *sa, SIZE_T stack,
LPTHREAD_START_ROUTINE start, LPVOID param,
DWORD flags, LPDWORD id )
{
HANDLE handle;
CLIENT_ID client_id;
NTSTATUS status;
SIZE_T stack_reserve = 0, stack_commit = 0;
if (flags & STACK_SIZE_PARAM_IS_A_RESERVATION) stack_reserve = stack;
else stack_commit = stack;
status = RtlCreateUserThread( hProcess, NULL, TRUE,
NULL, stack_reserve, stack_commit,
(PRTL_THREAD_START_ROUTINE)start, param, &handle, &client_id );
if (status == STATUS_SUCCESS)
{
if (id) *id = HandleToULong(client_id.UniqueThread);
if (sa && (sa->nLength >= sizeof(*sa)) && sa->bInheritHandle)
SetHandleInformation( handle, HANDLE_FLAG_INHERIT, HANDLE_FLAG_INHERIT );
if (!(flags & CREATE_SUSPENDED))
{
ULONG ret;
if (NtResumeThread( handle, &ret ))
{
NtClose( handle );
SetLastError( ERROR_NOT_ENOUGH_MEMORY );
handle = 0;
}
}
}
else
{
SetLastError( RtlNtStatusToDosError(status) );
handle = 0;
}
return handle;
}
/***********************************************************************
* OpenThread [KERNEL32.@] Retrieves a handle to a thread from its thread id
*/
HANDLE WINAPI OpenThread( DWORD dwDesiredAccess, BOOL bInheritHandle, DWORD dwThreadId )
{
NTSTATUS status;
HANDLE handle;
OBJECT_ATTRIBUTES attr;
CLIENT_ID cid;
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.Attributes = bInheritHandle ? OBJ_INHERIT : 0;
attr.ObjectName = NULL;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
cid.UniqueProcess = 0; /* FIXME */
cid.UniqueThread = ULongToHandle(dwThreadId);
status = NtOpenThread( &handle, dwDesiredAccess, &attr, &cid );
if (status)
{
SetLastError( RtlNtStatusToDosError(status) );
handle = 0;
}
return handle;
}
/***********************************************************************
* ExitThread [KERNEL32.@] Ends a thread
*
* RETURNS
* None
*/
void WINAPI ExitThread( DWORD code ) /* [in] Exit code for this thread */
{
RtlFreeThreadActivationContextStack();
RtlExitUserThread( code );
}
/**********************************************************************
* TerminateThread [KERNEL32.@] Terminates a thread
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI TerminateThread( HANDLE handle, /* [in] Handle to thread */
DWORD exit_code) /* [in] Exit code for thread */
{
NTSTATUS status = NtTerminateThread( handle, exit_code );
if (status) SetLastError( RtlNtStatusToDosError(status) );
return !status;
}
/***********************************************************************
* FreeLibraryAndExitThread (KERNEL32.@)
*/
void WINAPI FreeLibraryAndExitThread(HINSTANCE hLibModule, DWORD dwExitCode)
{
FreeLibrary(hLibModule);
ExitThread(dwExitCode);
}
/**********************************************************************
* GetExitCodeThread (KERNEL32.@)
*
* Gets termination status of thread.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI GetExitCodeThread(
HANDLE hthread, /* [in] Handle to thread */
LPDWORD exitcode) /* [out] Address to receive termination status */
{
THREAD_BASIC_INFORMATION info;
NTSTATUS status = NtQueryInformationThread( hthread, ThreadBasicInformation,
&info, sizeof(info), NULL );
if (status)
{
SetLastError( RtlNtStatusToDosError(status) );
return FALSE;
}
if (exitcode) *exitcode = info.ExitStatus;
return TRUE;
}
/***********************************************************************
* SetThreadContext [KERNEL32.@] Sets context of thread.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI SetThreadContext( HANDLE handle, /* [in] Handle to thread with context */
const CONTEXT *context ) /* [in] Address of context structure */
{
NTSTATUS status = NtSetContextThread( handle, context );
if (status) SetLastError( RtlNtStatusToDosError(status) );
return !status;
}
/***********************************************************************
* GetThreadContext [KERNEL32.@] Retrieves context of thread.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI GetThreadContext( HANDLE handle, /* [in] Handle to thread with context */
CONTEXT *context ) /* [out] Address of context structure */
{
NTSTATUS status = NtGetContextThread( handle, context );
if (status) SetLastError( RtlNtStatusToDosError(status) );
return !status;
}
/**********************************************************************
* SuspendThread [KERNEL32.@] Suspends a thread.
*
* RETURNS
* Success: Previous suspend count
* Failure: 0xFFFFFFFF
*/
DWORD WINAPI SuspendThread( HANDLE hthread ) /* [in] Handle to the thread */
{
DWORD ret;
NTSTATUS status = NtSuspendThread( hthread, &ret );
if (status)
{
ret = ~0U;
SetLastError( RtlNtStatusToDosError(status) );
}
return ret;
}
/**********************************************************************
* ResumeThread [KERNEL32.@] Resumes a thread.
*
* Decrements a thread's suspend count. When count is zero, the
* execution of the thread is resumed.
*
* RETURNS
* Success: Previous suspend count
* Failure: 0xFFFFFFFF
* Already running: 0
*/
DWORD WINAPI ResumeThread( HANDLE hthread ) /* [in] Identifies thread to restart */
{
DWORD ret;
NTSTATUS status = NtResumeThread( hthread, &ret );
if (status)
{
ret = ~0U;
SetLastError( RtlNtStatusToDosError(status) );
}
return ret;
}
/**********************************************************************
* GetThreadPriority [KERNEL32.@] Returns priority for thread.
*
* RETURNS
* Success: Thread's priority level.
* Failure: THREAD_PRIORITY_ERROR_RETURN
*/
INT WINAPI GetThreadPriority(
HANDLE hthread) /* [in] Handle to thread */
{
THREAD_BASIC_INFORMATION info;
NTSTATUS status = NtQueryInformationThread( hthread, ThreadBasicInformation,
&info, sizeof(info), NULL );
if (status)
{
SetLastError( RtlNtStatusToDosError(status) );
return THREAD_PRIORITY_ERROR_RETURN;
}
return info.Priority;
}
/**********************************************************************
* SetThreadPriority [KERNEL32.@] Sets priority for thread.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI SetThreadPriority(
HANDLE hthread, /* [in] Handle to thread */
INT priority) /* [in] Thread priority level */
{
DWORD prio = priority;
NTSTATUS status;
status = NtSetInformationThread(hthread, ThreadBasePriority,
&prio, sizeof(prio));
if (status)
{
SetLastError( RtlNtStatusToDosError(status) );
return FALSE;
}
return TRUE;
}
/**********************************************************************
* GetThreadPriorityBoost [KERNEL32.@] Returns priority boost for thread.
*
* Always reports that priority boost is disabled.
*
* RETURNS
* Success: TRUE.
* Failure: FALSE
*/
BOOL WINAPI GetThreadPriorityBoost(
HANDLE hthread, /* [in] Handle to thread */
PBOOL pstate) /* [out] pointer to var that receives the boost state */
{
if (pstate) *pstate = FALSE;
return TRUE;
}
/**********************************************************************
* SetThreadPriorityBoost [KERNEL32.@] Sets priority boost for thread.
*
* Priority boost is not implemented, but we return TRUE
* anyway because some games crash otherwise.
*/
BOOL WINAPI SetThreadPriorityBoost(
HANDLE hthread, /* [in] Handle to thread */
BOOL disable) /* [in] TRUE to disable priority boost */
{
return TRUE;
}
/**********************************************************************
* SetThreadStackGuarantee (KERNEL32.@)
*/
BOOL WINAPI SetThreadStackGuarantee(PULONG stacksize)
{
static int once;
if (once++ == 0)
FIXME("(%p): stub\n", stacksize);
return TRUE;
}
/**********************************************************************
* SetThreadAffinityMask (KERNEL32.@)
*/
DWORD_PTR WINAPI SetThreadAffinityMask( HANDLE hThread, DWORD_PTR dwThreadAffinityMask )
{
NTSTATUS status;
THREAD_BASIC_INFORMATION tbi;
status = NtQueryInformationThread( hThread, ThreadBasicInformation,
&tbi, sizeof(tbi), NULL );
if (status)
{
SetLastError( RtlNtStatusToDosError(status) );
return 0;
}
status = NtSetInformationThread( hThread, ThreadAffinityMask,
&dwThreadAffinityMask,
sizeof(dwThreadAffinityMask));
if (status)
{
SetLastError( RtlNtStatusToDosError(status) );
return 0;
}
return tbi.AffinityMask;
}
/**********************************************************************
* SetThreadIdealProcessor [KERNEL32.@] Sets preferred processor for thread.
*
* RETURNS
* Success: Value of last call to SetThreadIdealProcessor
* Failure: -1
*/
DWORD WINAPI SetThreadIdealProcessor(
HANDLE hThread, /* [in] Specifies the thread of interest */
DWORD dwIdealProcessor) /* [in] Specifies the new preferred processor */
{
FIXME("(%p): stub\n",hThread);
if (dwIdealProcessor > MAXIMUM_PROCESSORS)
{
SetLastError(ERROR_INVALID_PARAMETER);
return ~0u;
}
return 0;
}
/***********************************************************************
* GetThreadSelectorEntry (KERNEL32.@)
*/
BOOL WINAPI GetThreadSelectorEntry( HANDLE hthread, DWORD sel, LPLDT_ENTRY ldtent )
{
THREAD_DESCRIPTOR_INFORMATION tdi;
NTSTATUS status;
tdi.Selector = sel;
status = NtQueryInformationThread( hthread, ThreadDescriptorTableEntry, &tdi, sizeof(tdi), NULL);
if (status)
{
SetLastError( RtlNtStatusToDosError(status) );
return FALSE;
}
*ldtent = tdi.Entry;
return TRUE;
}
/* callback for QueueUserAPC */
static void CALLBACK call_user_apc( ULONG_PTR arg1, ULONG_PTR arg2, ULONG_PTR arg3 )
{
PAPCFUNC func = (PAPCFUNC)arg1;
func( arg2 );
}
/***********************************************************************
* QueueUserAPC (KERNEL32.@)
*/
DWORD WINAPI QueueUserAPC( PAPCFUNC func, HANDLE hthread, ULONG_PTR data )
{
NTSTATUS status = NtQueueApcThread( hthread, call_user_apc, (ULONG_PTR)func, data, 0 );
if (status) SetLastError( RtlNtStatusToDosError(status) );
return !status;
}
/***********************************************************************
* QueueUserWorkItem (KERNEL32.@)
*/
BOOL WINAPI QueueUserWorkItem( LPTHREAD_START_ROUTINE Function, PVOID Context, ULONG Flags )
{
NTSTATUS status;
TRACE("(%p,%p,0x%08x)\n", Function, Context, Flags);
status = RtlQueueWorkItem( Function, Context, Flags );
if (status) SetLastError( RtlNtStatusToDosError(status) );
return !status;
}
/**********************************************************************
* GetThreadTimes [KERNEL32.@] Obtains timing information.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI GetThreadTimes(
HANDLE thread, /* [in] Specifies the thread of interest */
LPFILETIME creationtime, /* [out] When the thread was created */
LPFILETIME exittime, /* [out] When the thread was destroyed */
LPFILETIME kerneltime, /* [out] Time thread spent in kernel mode */
LPFILETIME usertime) /* [out] Time thread spent in user mode */
{
KERNEL_USER_TIMES kusrt;
NTSTATUS status;
status = NtQueryInformationThread(thread, ThreadTimes, &kusrt,
sizeof(kusrt), NULL);
if (status)
{
SetLastError( RtlNtStatusToDosError(status) );
return FALSE;
}
if (creationtime)
{
creationtime->dwLowDateTime = kusrt.CreateTime.u.LowPart;
creationtime->dwHighDateTime = kusrt.CreateTime.u.HighPart;
}
if (exittime)
{
exittime->dwLowDateTime = kusrt.ExitTime.u.LowPart;
exittime->dwHighDateTime = kusrt.ExitTime.u.HighPart;
}
if (kerneltime)
{
kerneltime->dwLowDateTime = kusrt.KernelTime.u.LowPart;
kerneltime->dwHighDateTime = kusrt.KernelTime.u.HighPart;
}
if (usertime)
{
usertime->dwLowDateTime = kusrt.UserTime.u.LowPart;
usertime->dwHighDateTime = kusrt.UserTime.u.HighPart;
}
return TRUE;
}
/**********************************************************************
* GetThreadId [KERNEL32.@]
*
* Retrieve the identifier of a thread.
*
* PARAMS
* Thread [I] The thread to retrieve the identifier of.
*
* RETURNS
* Success: Identifier of the target thread.
* Failure: 0
*/
DWORD WINAPI GetThreadId(HANDLE Thread)
{
THREAD_BASIC_INFORMATION tbi;
NTSTATUS status;
TRACE("(%p)\n", Thread);
status = NtQueryInformationThread(Thread, ThreadBasicInformation, &tbi,
sizeof(tbi), NULL);
if (status)
{
SetLastError( RtlNtStatusToDosError(status) );
return 0;
}
return HandleToULong(tbi.ClientId.UniqueThread);
}
/***********************************************************************
* GetCurrentThread [KERNEL32.@] Gets pseudohandle for current thread
*
* RETURNS
* Pseudohandle for the current thread
*/
#undef GetCurrentThread
HANDLE WINAPI GetCurrentThread(void)
{
return (HANDLE)~(ULONG_PTR)1;
}
#ifdef __i386__
/***********************************************************************
* SetLastError (KERNEL32.@)
*/
/* void WINAPI SetLastError( DWORD error ); */
__ASM_STDCALL_FUNC( SetLastError, 4,
"movl 4(%esp),%eax\n\t"
".byte 0x64\n\t"
"movl %eax,0x34\n\t"
"ret $4" )
/***********************************************************************
* GetLastError (KERNEL32.@)
*/
/* DWORD WINAPI GetLastError(void); */
__ASM_STDCALL_FUNC( GetLastError, 0, ".byte 0x64\n\tmovl 0x34,%eax\n\tret" )
/***********************************************************************
* GetCurrentProcessId (KERNEL32.@)
*/
/* DWORD WINAPI GetCurrentProcessId(void) */
__ASM_STDCALL_FUNC( GetCurrentProcessId, 0, ".byte 0x64\n\tmovl 0x20,%eax\n\tret" )
/***********************************************************************
* GetCurrentThreadId (KERNEL32.@)
*/
/* DWORD WINAPI GetCurrentThreadId(void) */
__ASM_STDCALL_FUNC( GetCurrentThreadId, 0, ".byte 0x64\n\tmovl 0x24,%eax\n\tret" )
/***********************************************************************
* GetProcessHeap (KERNEL32.@)
*/
/* HANDLE WINAPI GetProcessHeap(void) */
__ASM_STDCALL_FUNC( GetProcessHeap, 0, ".byte 0x64\n\tmovl 0x30,%eax\n\tmovl 0x18(%eax),%eax\n\tret");
#elif defined(__x86_64__)
/***********************************************************************
* SetLastError (KERNEL32.@)
*/
/* void WINAPI SetLastError( DWORD error ); */
__ASM_STDCALL_FUNC( SetLastError, 8, ".byte 0x65\n\tmovl %ecx,0x68\n\tret" );
/***********************************************************************
* GetLastError (KERNEL32.@)
*/
/* DWORD WINAPI GetLastError(void); */
__ASM_STDCALL_FUNC( GetLastError, 0, ".byte 0x65\n\tmovl 0x68,%eax\n\tret" );
/***********************************************************************
* GetCurrentProcessId (KERNEL32.@)
*/
/* DWORD WINAPI GetCurrentProcessId(void) */
__ASM_STDCALL_FUNC( GetCurrentProcessId, 0, ".byte 0x65\n\tmovl 0x40,%eax\n\tret" );
/***********************************************************************
* GetCurrentThreadId (KERNEL32.@)
*/
/* DWORD WINAPI GetCurrentThreadId(void) */
__ASM_STDCALL_FUNC( GetCurrentThreadId, 0, ".byte 0x65\n\tmovl 0x48,%eax\n\tret" );
/***********************************************************************
* GetProcessHeap (KERNEL32.@)
*/
/* HANDLE WINAPI GetProcessHeap(void) */
__ASM_STDCALL_FUNC( GetProcessHeap, 0, ".byte 0x65\n\tmovq 0x60,%rax\n\tmovq 0x30(%rax),%rax\n\tret");
#else /* __x86_64__ */
/**********************************************************************
* SetLastError (KERNEL32.@)
*
* Sets the last-error code.
*
* RETURNS
* Nothing.
*/
void WINAPI SetLastError( DWORD error ) /* [in] Per-thread error code */
{
NtCurrentTeb()->LastErrorValue = error;
}
/**********************************************************************
* GetLastError (KERNEL32.@)
*
* Get the last-error code.
*
* RETURNS
* last-error code.
*/
DWORD WINAPI GetLastError(void)
{
return NtCurrentTeb()->LastErrorValue;
}
/***********************************************************************
* GetCurrentProcessId (KERNEL32.@)
*
* Get the current process identifier.
*
* RETURNS
* current process identifier
*/
DWORD WINAPI GetCurrentProcessId(void)
{
return HandleToULong(NtCurrentTeb()->ClientId.UniqueProcess);
}
/***********************************************************************
* GetCurrentThreadId (KERNEL32.@)
*
* Get the current thread identifier.
*
* RETURNS
* current thread identifier
*/
DWORD WINAPI GetCurrentThreadId(void)
{
return HandleToULong(NtCurrentTeb()->ClientId.UniqueThread);
}
/***********************************************************************
* GetProcessHeap (KERNEL32.@)
*/
HANDLE WINAPI GetProcessHeap(void)
{
return NtCurrentTeb()->Peb->ProcessHeap;
}
#endif /* __i386__ */
/*************************************************************************
* rtlmode_to_win32mode
*/
static DWORD rtlmode_to_win32mode( DWORD rtlmode )
{
DWORD win32mode = 0;
if (rtlmode & 0x10)
win32mode |= SEM_FAILCRITICALERRORS;
if (rtlmode & 0x20)
win32mode |= SEM_NOGPFAULTERRORBOX;
if (rtlmode & 0x40)
win32mode |= SEM_NOOPENFILEERRORBOX;
return win32mode;
}
/***********************************************************************
* SetThreadErrorMode (KERNEL32.@)
*
* Set the thread local error mode.
*
* PARAMS
* mode [I] The new error mode, a bitwise or of SEM_FAILCRITICALERRORS,
* SEM_NOGPFAULTERRORBOX and SEM_NOOPENFILEERRORBOX.
* oldmode [O] Destination of the old error mode (may be NULL)
*
* RETURNS
* Success: TRUE
* Failure: FALSE, check GetLastError
*/
BOOL WINAPI SetThreadErrorMode( DWORD mode, LPDWORD oldmode )
{
NTSTATUS status;
DWORD tmp = 0;
if (mode & ~(SEM_FAILCRITICALERRORS |
SEM_NOGPFAULTERRORBOX |
SEM_NOOPENFILEERRORBOX))
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
if (mode & SEM_FAILCRITICALERRORS)
tmp |= 0x10;
if (mode & SEM_NOGPFAULTERRORBOX)
tmp |= 0x20;
if (mode & SEM_NOOPENFILEERRORBOX)
tmp |= 0x40;
status = RtlSetThreadErrorMode( tmp, oldmode );
if (status)
{
SetLastError( RtlNtStatusToDosError(status) );
return FALSE;
}
if (oldmode)
*oldmode = rtlmode_to_win32mode(*oldmode);
return TRUE;
}
/***********************************************************************
* GetThreadErrorMode (KERNEL32.@)
*
* Get the thread local error mode.
*
* PARAMS
* None.
*
* RETURNS
* The current thread local error mode.
*/
DWORD WINAPI GetThreadErrorMode( void )
{
return rtlmode_to_win32mode( RtlGetThreadErrorMode() );
}
/***********************************************************************
* GetThreadUILanguage (KERNEL32.@)
*
* Get the current thread's language identifier.
*
* PARAMS
* None.
*
* RETURNS
* The current thread's language identifier.
*/
LANGID WINAPI GetThreadUILanguage( void )
{
LANGID lang;
NtQueryDefaultUILanguage( &lang );
FIXME(": stub, returning default language.\n");
return lang;
}
/***********************************************************************
* GetThreadIOPendingFlag (KERNEL32.@)
*/
BOOL WINAPI GetThreadIOPendingFlag( HANDLE thread, PBOOL io_pending )
{
FIXME("%p, %p\n", thread, io_pending);
*io_pending = FALSE;
return TRUE;
}
/***********************************************************************
* SetThreadPreferredUILanguages (KERNEL32.@)
*/
BOOL WINAPI SetThreadPreferredUILanguages( DWORD flags, PCZZWSTR buffer, PULONG count )
{
FIXME( "%u, %p, %p\n", flags, buffer, count );
return TRUE;
}
/***********************************************************************
* GetThreadPreferredUILanguages (KERNEL32.@)
*/
BOOL WINAPI GetThreadPreferredUILanguages( DWORD flags, PULONG count, PCZZWSTR buffer, PULONG buffersize )
{
FIXME( "%u, %p, %p %p\n", flags, count, buffer, buffersize );
*count = 0;
*buffersize = 0;
return TRUE;
}
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