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Sweden-Number/scheduler/thread.c

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/*
* Win32 threads
*
* Copyright 1996 Alexandre Julliard
*/
#include <assert.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <unistd.h>
#include "wine/winbase16.h"
#include "thread.h"
#include "process.h"
#include "task.h"
#include "module.h"
#include "user.h"
#include "winerror.h"
#include "heap.h"
#include "selectors.h"
#include "winnt.h"
#include "server.h"
#include "stackframe.h"
#include "debug.h"
#include "queue.h"
#include "hook.h"
DEFAULT_DEBUG_CHANNEL(thread)
#ifndef __i386__
THDB *pCurrentThread;
#endif
/* Is threading code initialized? */
BOOL THREAD_InitDone = FALSE;
/* THDB of the initial thread */
static THDB initial_thdb;
/* Global thread list (FIXME: not thread-safe) */
THDB *THREAD_First = &initial_thdb;
/***********************************************************************
* THREAD_Current
*
* Return the current thread THDB pointer.
*/
THDB *THREAD_Current(void)
{
if (!THREAD_InitDone) return NULL;
return (THDB *)((char *)NtCurrentTeb() - (int)&((THDB *)0)->teb);
}
/***********************************************************************
* THREAD_IsWin16
*/
BOOL THREAD_IsWin16( THDB *thdb )
{
return !thdb || !(thdb->teb.flags & TEBF_WIN32);
}
/***********************************************************************
* THREAD_IdToTHDB
*
* Convert a thread id to a THDB, making sure it is valid.
*/
THDB *THREAD_IdToTHDB( DWORD id )
{
THDB *thdb = THREAD_First;
if (!id) return THREAD_Current();
while (thdb)
{
if ((DWORD)thdb->server_tid == id) return thdb;
thdb = thdb->next;
}
/* Allow task handles to be used; convert to main thread */
if ( IsTask16( id ) )
{
TDB *pTask = (TDB *)GlobalLock16( id );
if (pTask) return pTask->thdb;
}
SetLastError( ERROR_INVALID_PARAMETER );
return NULL;
}
/***********************************************************************
* THREAD_InitTHDB
*
* Initialization of a newly created THDB.
*/
static BOOL THREAD_InitTHDB( THDB *thdb, DWORD stack_size, BOOL alloc_stack16,
LPSECURITY_ATTRIBUTES sa )
{
DWORD old_prot;
/* Allocate the stack */
/* FIXME:
* If stacksize smaller than 1 MB, allocate 1MB
* (one program wanted only 10 kB, which is recommendable, but some WINE
* functions, noteably in the files subdir, push HUGE structures and
* arrays on the stack. They probably shouldn't.)
* If stacksize larger than 16 MB, warn the user. (We could shrink the stack
* but this could give more or less unexplainable crashes.)
*/
if (stack_size<1024*1024)
stack_size = 1024 * 1024;
if (stack_size >= 16*1024*1024)
WARN(thread,"Thread stack size is %ld MB.\n",stack_size/1024/1024);
thdb->stack_base = VirtualAlloc(NULL,
stack_size + (alloc_stack16 ? 0x10000 : 0),
MEM_COMMIT, PAGE_EXECUTE_READWRITE );
if (!thdb->stack_base) goto error;
/* Set a guard page at the bottom of the stack */
VirtualProtect( thdb->stack_base, 1, PAGE_EXECUTE_READWRITE | PAGE_GUARD,
&old_prot );
thdb->teb.stack_top = (char *)thdb->stack_base + stack_size;
thdb->teb.stack_low = thdb->stack_base;
thdb->exit_stack = thdb->teb.stack_top;
/* Allocate the 16-bit stack selector */
if (alloc_stack16)
{
thdb->teb.stack_sel = SELECTOR_AllocBlock( thdb->teb.stack_top,
0x10000, SEGMENT_DATA,
FALSE, FALSE );
if (!thdb->teb.stack_sel) goto error;
thdb->cur_stack = PTR_SEG_OFF_TO_SEGPTR( thdb->teb.stack_sel,
0x10000 - sizeof(STACK16FRAME) );
}
/* Create the thread event */
if (!(thdb->event = CreateEventA( NULL, FALSE, FALSE, NULL ))) goto error;
thdb->event = ConvertToGlobalHandle( thdb->event );
return TRUE;
error:
if (thdb->event) CloseHandle( thdb->event );
if (thdb->teb.stack_sel) SELECTOR_FreeBlock( thdb->teb.stack_sel, 1 );
if (thdb->stack_base) VirtualFree( thdb->stack_base, 0, MEM_RELEASE );
return FALSE;
}
/***********************************************************************
* THREAD_FreeTHDB
*
* Free data structures associated with a thread.
* Must be called from the context of another thread.
*/
void THREAD_FreeTHDB( THDB *thdb )
{
THDB **pptr = &THREAD_First;
PROCESS_CallUserSignalProc( USIG_THREAD_EXIT, 0, 0 );
CloseHandle( thdb->event );
while (*pptr && (*pptr != thdb)) pptr = &(*pptr)->next;
if (*pptr) *pptr = thdb->next;
/* Free the associated memory */
if (thdb->teb.stack_sel) SELECTOR_FreeBlock( thdb->teb.stack_sel, 1 );
SELECTOR_FreeBlock( thdb->teb_sel, 1 );
close( thdb->socket );
VirtualFree( thdb->stack_base, 0, MEM_RELEASE );
HeapFree( SystemHeap, HEAP_NO_SERIALIZE, thdb );
}
/***********************************************************************
* THREAD_CreateInitialThread
*
* Create the initial thread.
*/
THDB *THREAD_CreateInitialThread( PDB *pdb, int server_fd )
{
initial_thdb.process = pdb;
initial_thdb.teb.except = (void *)-1;
initial_thdb.teb.self = &initial_thdb.teb;
initial_thdb.teb.flags = /* TEBF_WIN32 */ 0;
initial_thdb.teb.tls_ptr = initial_thdb.tls_array;
initial_thdb.teb.process = pdb;
initial_thdb.exit_code = 0x103; /* STILL_ACTIVE */
initial_thdb.socket = server_fd;
/* Allocate the TEB selector (%fs register) */
if (!(initial_thdb.teb_sel = SELECTOR_AllocBlock( &initial_thdb.teb, 0x1000,
SEGMENT_DATA, TRUE, FALSE )))
{
MSG("Could not allocate fs register for initial thread\n" );
return NULL;
}
SET_CUR_THREAD( &initial_thdb );
THREAD_InitDone = TRUE;
/* Now proceed with normal initialization */
if (CLIENT_InitThread()) return NULL;
if (!THREAD_InitTHDB( &initial_thdb, 0, TRUE, NULL )) return NULL;
return &initial_thdb;
}
/***********************************************************************
* THREAD_Create
*/
THDB *THREAD_Create( PDB *pdb, DWORD flags, DWORD stack_size, BOOL alloc_stack16,
LPSECURITY_ATTRIBUTES sa, int *server_handle )
{
struct new_thread_request request;
struct new_thread_reply reply = { NULL, -1 };
int fd[2];
THDB *thdb = HeapAlloc( SystemHeap, HEAP_ZERO_MEMORY, sizeof(THDB) );
if (!thdb) return NULL;
thdb->process = pdb;
thdb->teb.except = (void *)-1;
thdb->teb.htask16 = pdb->task;
thdb->teb.self = &thdb->teb;
thdb->teb.flags = (pdb->flags & PDB32_WIN16_PROC)? 0 : TEBF_WIN32;
thdb->teb.tls_ptr = thdb->tls_array;
thdb->teb.process = pdb;
thdb->exit_code = 0x103; /* STILL_ACTIVE */
thdb->flags = flags;
thdb->socket = -1;
/* Allocate the TEB selector (%fs register) */
thdb->teb_sel = SELECTOR_AllocBlock( &thdb->teb, 0x1000, SEGMENT_DATA,
TRUE, FALSE );
if (!thdb->teb_sel) goto error;
/* Create the socket pair for server communication */
if (socketpair( AF_UNIX, SOCK_STREAM, 0, fd ) == -1)
{
SetLastError( ERROR_TOO_MANY_OPEN_FILES ); /* FIXME */
goto error;
}
thdb->socket = fd[0];
fcntl( fd[0], F_SETFD, 1 ); /* set close on exec flag */
/* Create the thread on the server side */
request.pid = thdb->process->server_pid;
request.suspend = ((thdb->flags & CREATE_SUSPENDED) != 0);
request.inherit = (sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle);
CLIENT_SendRequest( REQ_NEW_THREAD, fd[1], 1, &request, sizeof(request) );
if (CLIENT_WaitSimpleReply( &reply, sizeof(reply), NULL )) goto error;
thdb->server_tid = reply.tid;
*server_handle = reply.handle;
/* Do the rest of the initialization */
if (!THREAD_InitTHDB( thdb, stack_size, alloc_stack16, sa )) goto error;
thdb->next = THREAD_First;
THREAD_First = thdb;
return thdb;
error:
if (reply.handle != -1) CloseHandle( reply.handle );
if (thdb->teb_sel) SELECTOR_FreeBlock( thdb->teb_sel, 1 );
HeapFree( SystemHeap, 0, thdb );
if (thdb->socket != -1) close( thdb->socket );
return NULL;
}
/***********************************************************************
* THREAD_Start
*
* Start execution of a newly created thread. Does not return.
*/
static void THREAD_Start(void)
{
THDB *thdb = THREAD_Current();
LPTHREAD_START_ROUTINE func = (LPTHREAD_START_ROUTINE)thdb->entry_point;
PROCESS_CallUserSignalProc( USIG_THREAD_INIT, 0, 0 );
PE_InitTls();
MODULE_DllThreadAttach( NULL );
ExitThread( func( thdb->entry_arg ) );
}
/***********************************************************************
* CreateThread (KERNEL32.63)
*/
HANDLE WINAPI CreateThread( SECURITY_ATTRIBUTES *sa, DWORD stack,
LPTHREAD_START_ROUTINE start, LPVOID param,
DWORD flags, LPDWORD id )
{
int handle = -1;
THDB *thread = THREAD_Create( PROCESS_Current(), flags, stack, TRUE, sa, &handle );
if (!thread) return INVALID_HANDLE_VALUE;
thread->teb.flags |= TEBF_WIN32;
thread->entry_point = start;
thread->entry_arg = param;
thread->startup = THREAD_Start;
if (SYSDEPS_SpawnThread( thread ) == -1)
{
CloseHandle( handle );
return INVALID_HANDLE_VALUE;
}
if (id) *id = (DWORD)thread->server_tid;
return handle;
}
/***********************************************************************
* ExitThread [KERNEL32.215] Ends a thread
*
* RETURNS
* None
*/
void WINAPI ExitThread( DWORD code ) /* [in] Exit code for this thread */
{
MODULE_DllThreadDetach( NULL );
TerminateThread( GetCurrentThread(), code );
}
/***********************************************************************
* GetCurrentThread [KERNEL32.200] Gets pseudohandle for current thread
*
* RETURNS
* Pseudohandle for the current thread
*/
HANDLE WINAPI GetCurrentThread(void)
{
return CURRENT_THREAD_PSEUDOHANDLE;
}
/***********************************************************************
* GetCurrentThreadId [KERNEL32.201] Returns thread identifier.
*
* RETURNS
* Thread identifier of calling thread
*/
DWORD WINAPI GetCurrentThreadId(void)
{
THDB *thdb = THREAD_Current();
assert( thdb );
assert( thdb->server_tid );
return (DWORD)thdb->server_tid;
}
/**********************************************************************
* GetLastError [KERNEL.148] [KERNEL32.227] Returns last-error code.
*
* RETURNS
* Calling thread's last error code value.
*/
DWORD WINAPI GetLastError(void)
{
THDB *thread = THREAD_Current();
DWORD ret = thread->last_error;
TRACE(thread,"0x%lx\n",ret);
return ret;
}
/**********************************************************************
* SetLastError [KERNEL.147] [KERNEL32.497] Sets the last-error code.
*
* RETURNS
* None.
*/
void WINAPI SetLastError(
DWORD error) /* [in] Per-thread error code */
{
THDB *thread = THREAD_Current();
/* This one must work before we have a thread (FIXME) */
TRACE(thread,"%p error=0x%lx\n",thread,error);
if (thread)
thread->last_error = error;
}
/**********************************************************************
* SetLastErrorEx [USER32.485] Sets the last-error code.
*
* RETURNS
* None.
*/
void WINAPI SetLastErrorEx(
DWORD error, /* [in] Per-thread error code */
DWORD type) /* [in] Error type */
{
TRACE(thread, "(0x%08lx, 0x%08lx)\n", error,type);
switch(type) {
case 0:
break;
case SLE_ERROR:
case SLE_MINORERROR:
case SLE_WARNING:
/* Fall through for now */
default:
FIXME(thread, "(error=%08lx, type=%08lx): Unhandled type\n", error,type);
break;
}
SetLastError( error );
}
/**********************************************************************
* TlsAlloc [KERNEL32.530] Allocates a TLS index.
*
* Allocates a thread local storage index
*
* RETURNS
* Success: TLS Index
* Failure: 0xFFFFFFFF
*/
DWORD WINAPI TlsAlloc( void )
{
THDB *thread = THREAD_Current();
DWORD i, mask, ret = 0;
DWORD *bits = thread->process->tls_bits;
EnterCriticalSection( &thread->process->crit_section );
if (*bits == 0xffffffff)
{
bits++;
ret = 32;
if (*bits == 0xffffffff)
{
LeaveCriticalSection( &thread->process->crit_section );
SetLastError( ERROR_NO_MORE_ITEMS );
return 0xffffffff;
}
}
for (i = 0, mask = 1; i < 32; i++, mask <<= 1) if (!(*bits & mask)) break;
*bits |= mask;
LeaveCriticalSection( &thread->process->crit_section );
return ret + i;
}
/**********************************************************************
* TlsFree [KERNEL32.531] Releases a TLS index.
*
* Releases a thread local storage index, making it available for reuse
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI TlsFree(
DWORD index) /* [in] TLS Index to free */
{
DWORD mask;
THDB *thread = THREAD_Current();
DWORD *bits = thread->process->tls_bits;
if (index >= 64)
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
EnterCriticalSection( &thread->process->crit_section );
if (index >= 32) bits++;
mask = (1 << (index & 31));
if (!(*bits & mask)) /* already free? */
{
LeaveCriticalSection( &thread->process->crit_section );
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
*bits &= ~mask;
thread->tls_array[index] = 0;
/* FIXME: should zero all other thread values */
LeaveCriticalSection( &thread->process->crit_section );
return TRUE;
}
/**********************************************************************
* TlsGetValue [KERNEL32.532] Gets value in a thread's TLS slot
*
* RETURNS
* Success: Value stored in calling thread's TLS slot for index
* Failure: 0 and GetLastError returns NO_ERROR
*/
LPVOID WINAPI TlsGetValue(
DWORD index) /* [in] TLS index to retrieve value for */
{
THDB *thread = THREAD_Current();
if (index >= 64)
{
SetLastError( ERROR_INVALID_PARAMETER );
return NULL;
}
SetLastError( ERROR_SUCCESS );
return thread->tls_array[index];
}
/**********************************************************************
* TlsSetValue [KERNEL32.533] Stores a value in the thread's TLS slot.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI TlsSetValue(
DWORD index, /* [in] TLS index to set value for */
LPVOID value) /* [in] Value to be stored */
{
THDB *thread = THREAD_Current();
if (index >= 64)
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
thread->tls_array[index] = value;
return TRUE;
}
/***********************************************************************
* SetThreadContext [KERNEL32.670] Sets context of thread.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI SetThreadContext(
HANDLE handle, /* [in] Handle to thread with context */
CONTEXT *context) /* [out] Address of context structure */
{
FIXME( thread, "not implemented\n" );
return TRUE;
}
/***********************************************************************
* GetThreadContext [KERNEL32.294] 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 */
{
WORD cs, ds;
FIXME( thread, "returning dummy info\n" );
/* make up some plausible values for segment registers */
GET_CS(cs);
GET_DS(ds);
context->SegCs = cs;
context->SegDs = ds;
context->SegEs = ds;
context->SegGs = ds;
context->SegSs = ds;
context->SegFs = ds;
return TRUE;
}
/**********************************************************************
* GetThreadPriority [KERNEL32.296] Returns priority for thread.
*
* RETURNS
* Success: Thread's priority level.
* Failure: THREAD_PRIORITY_ERROR_RETURN
*/
INT WINAPI GetThreadPriority(
HANDLE hthread) /* [in] Handle to thread */
{
struct get_thread_info_request req;
struct get_thread_info_reply reply;
req.handle = hthread;
CLIENT_SendRequest( REQ_GET_THREAD_INFO, -1, 1, &req, sizeof(req) );
if (CLIENT_WaitSimpleReply( &reply, sizeof(reply), NULL ))
return THREAD_PRIORITY_ERROR_RETURN;
return reply.priority;
}
/**********************************************************************
* SetThreadPriority [KERNEL32.514] Sets priority for thread.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI SetThreadPriority(
HANDLE hthread, /* [in] Handle to thread */
INT priority) /* [in] Thread priority level */
{
struct set_thread_info_request req;
req.handle = hthread;
req.priority = priority;
req.mask = SET_THREAD_INFO_PRIORITY;
CLIENT_SendRequest( REQ_SET_THREAD_INFO, -1, 1, &req, sizeof(req) );
return !CLIENT_WaitReply( NULL, NULL, 0 );
}
/**********************************************************************
* SetThreadAffinityMask (KERNEL32.669)
*/
DWORD WINAPI SetThreadAffinityMask( HANDLE hThread, DWORD dwThreadAffinityMask )
{
struct set_thread_info_request req;
req.handle = hThread;
req.affinity = dwThreadAffinityMask;
req.mask = SET_THREAD_INFO_AFFINITY;
CLIENT_SendRequest( REQ_SET_THREAD_INFO, -1, 1, &req, sizeof(req) );
if (CLIENT_WaitReply( NULL, NULL, 0 )) return 0;
return 1; /* FIXME: should return previous value */
}
/**********************************************************************
* TerminateThread [KERNEL32.685] Terminates a thread
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI TerminateThread(
HANDLE handle, /* [in] Handle to thread */
DWORD exitcode) /* [in] Exit code for thread */
{
struct terminate_thread_request req;
req.handle = handle;
req.exit_code = exitcode;
CLIENT_SendRequest( REQ_TERMINATE_THREAD, -1, 1, &req, sizeof(req) );
return !CLIENT_WaitReply( NULL, NULL, 0 );
}
/**********************************************************************
* 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 */
{
struct get_thread_info_request req;
struct get_thread_info_reply reply;
req.handle = hthread;
CLIENT_SendRequest( REQ_GET_THREAD_INFO, -1, 1, &req, sizeof(req) );
if (CLIENT_WaitSimpleReply( &reply, sizeof(reply), NULL )) return FALSE;
if (exitcode) *exitcode = reply.exit_code;
return TRUE;
}
/**********************************************************************
* ResumeThread [KERNEL32.587] 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 */
{
struct resume_thread_request req;
struct resume_thread_reply reply;
req.handle = hthread;
CLIENT_SendRequest( REQ_RESUME_THREAD, -1, 1, &req, sizeof(req) );
if (CLIENT_WaitSimpleReply( &reply, sizeof(reply), NULL )) return 0xffffffff;
return reply.count;
}
/**********************************************************************
* SuspendThread [KERNEL32.681] Suspends a thread.
*
* RETURNS
* Success: Previous suspend count
* Failure: 0xFFFFFFFF
*/
DWORD WINAPI SuspendThread(
HANDLE hthread) /* [in] Handle to the thread */
{
struct suspend_thread_request req;
struct suspend_thread_reply reply;
req.handle = hthread;
CLIENT_SendRequest( REQ_SUSPEND_THREAD, -1, 1, &req, sizeof(req) );
if (CLIENT_WaitSimpleReply( &reply, sizeof(reply), NULL )) return 0xffffffff;
return reply.count;
}
/***********************************************************************
* QueueUserAPC (KERNEL32.566)
*/
DWORD WINAPI QueueUserAPC( PAPCFUNC func, HANDLE hthread, ULONG_PTR data )
{
struct queue_apc_request req;
req.handle = hthread;
req.func = func;
req.param = (void *)data;
CLIENT_SendRequest( REQ_QUEUE_APC, -1, 1, &req, sizeof(req) );
return !CLIENT_WaitReply( NULL, NULL, 0 );
}
/**********************************************************************
* GetThreadTimes [KERNEL32.???] Obtains timing information.
*
* NOTES
* What are the fields where these values are stored?
*
* 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 */
{
FIXME(thread,"(0x%08x): stub\n",thread);
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return FALSE;
}
/**********************************************************************
* AttachThreadInput [KERNEL32.8] Attaches input of 1 thread to other
*
* Attaches the input processing mechanism of one thread to that of
* another thread.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*
* TODO:
* 1. Reset the Key State (currenly per thread key state is not maintained)
*/
BOOL WINAPI AttachThreadInput(
DWORD idAttach, /* [in] Thread to attach */
DWORD idAttachTo, /* [in] Thread to attach to */
BOOL fAttach) /* [in] Attach or detach */
{
MESSAGEQUEUE *pSrcMsgQ = 0, *pTgtMsgQ = 0;
BOOL16 bRet = 0;
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
/* A thread cannot attach to itself */
if ( idAttach == idAttachTo )
goto CLEANUP;
/* According to the docs this method should fail if a
* "Journal record" hook is installed. (attaches all input queues together)
*/
if ( HOOK_IsHooked( WH_JOURNALRECORD ) )
goto CLEANUP;
/* Retrieve message queues corresponding to the thread id's */
pTgtMsgQ = (MESSAGEQUEUE *)QUEUE_Lock( GetThreadQueue16( idAttach ) );
pSrcMsgQ = (MESSAGEQUEUE *)QUEUE_Lock( GetThreadQueue16( idAttachTo ) );
/* Ensure we have message queues and that Src and Tgt threads
* are not system threads.
*/
if ( !pSrcMsgQ || !pTgtMsgQ || !pSrcMsgQ->pQData || !pTgtMsgQ->pQData )
goto CLEANUP;
if (fAttach) /* Attach threads */
{
/* Only attach if currently detached */
if ( pTgtMsgQ->pQData != pSrcMsgQ->pQData )
{
/* First release the target threads perQData */
PERQDATA_Release( pTgtMsgQ->pQData );
/* Share a reference to the source threads perQDATA */
PERQDATA_Addref( pSrcMsgQ->pQData );
pTgtMsgQ->pQData = pSrcMsgQ->pQData;
}
}
else /* Detach threads */
{
/* Only detach if currently attached */
if ( pTgtMsgQ->pQData == pSrcMsgQ->pQData )
{
/* First release the target threads perQData */
PERQDATA_Release( pTgtMsgQ->pQData );
/* Give the target thread its own private perQDATA once more */
pTgtMsgQ->pQData = PERQDATA_CreateInstance();
}
}
/* TODO: Reset the Key State */
bRet = 1; /* Success */
CLEANUP:
/* Unlock the queues before returning */
if ( pSrcMsgQ )
QUEUE_Unlock( pSrcMsgQ );
if ( pTgtMsgQ )
QUEUE_Unlock( pTgtMsgQ );
return bRet;
}
/**********************************************************************
* VWin32_BoostThreadGroup [KERNEL.535]
*/
VOID WINAPI VWin32_BoostThreadGroup( DWORD threadId, INT boost )
{
FIXME(thread, "(0x%08lx,%d): stub\n", threadId, boost);
}
/**********************************************************************
* VWin32_BoostThreadStatic [KERNEL.536]
*/
VOID WINAPI VWin32_BoostThreadStatic( DWORD threadId, INT boost )
{
FIXME(thread, "(0x%08lx,%d): stub\n", threadId, boost);
}
/**********************************************************************
* SetThreadLocale [KERNEL32.671] Sets the calling threads current locale.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*
* NOTES
* Implemented in NT only (3.1 and above according to MS
*/
BOOL WINAPI SetThreadLocale(
LCID lcid) /* [in] Locale identifier */
{
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return FALSE;
}
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