<file>cppexcept.c</file>
<file>heap.c</file>
<file>scanf.c</file>
+ <file>thread.c</file>
<file>undname.c</file>
</directory>
</module>
typedef struct _ThreadData
{
- HANDLE hThread; /* handle to the current thread */
- void (__cdecl *start_address)(void*); /* the start address supplied by _beginthread() */
- void* arglist; /* the argument list supplied by _beginthread() */
-
int terrno; /* *nix error code */
unsigned long tdoserrno; /* Win32 error code (for I/O only) */
unsigned __int64 tnext; /* used by rand/srand */
int CreateThreadData(void);
void DestroyThreadData(void);
-int SetThreadData(PTHREADDATA ThreadData);
-void FreeThreadData(PTHREADDATA ThreadData);
+void FreeThreadData(PTHREADDATA ptd);
PTHREADDATA GetThreadData(void);
#endif /* __MSVCRT_INTERNAL_TLS_H */
#include <internal/rterror.h>
-static DWORD TlsIndex = TLS_OUT_OF_INDEXES;
+static unsigned long TlsIndex = (unsigned long)-1;
static void InitThreadData(PTHREADDATA ThreadData)
}
-int SetThreadData(PTHREADDATA ThreadData)
+int CreateThreadData(void)
{
- if(TlsIndex == TLS_OUT_OF_INDEXES ||
- !TlsSetValue(TlsIndex, ThreadData))
+ PTHREADDATA ThreadData;
+
+ TlsIndex = TlsAlloc();
+ if (TlsIndex == (unsigned long)-1)
return FALSE;
- InitThreadData(ThreadData);
+ ThreadData = (PTHREADDATA)calloc(1, sizeof(THREADDATA));
+ if (ThreadData == NULL)
+ return FALSE;
- return TRUE;
-}
+ if(!TlsSetValue(TlsIndex, (LPVOID)ThreadData))
+ return FALSE;
+ InitThreadData(ThreadData);
-int CreateThreadData(void)
-{
- TlsIndex = TlsAlloc();
- return (TlsIndex != TLS_OUT_OF_INDEXES);
+ return TRUE;
}
void DestroyThreadData(void)
{
- if (TlsIndex != TLS_OUT_OF_INDEXES)
+ if (TlsIndex != (unsigned long)-1)
{
TlsFree(TlsIndex);
- TlsIndex = TLS_OUT_OF_INDEXES;
+ TlsIndex = (unsigned long)-1;
}
}
void FreeThreadData(PTHREADDATA ThreadData)
{
- if (TlsIndex != TLS_OUT_OF_INDEXES)
+ if (TlsIndex != (unsigned long)-1)
{
if (ThreadData == NULL)
ThreadData = TlsGetValue(TlsIndex);
TlsSetValue(TlsIndex, (LPVOID)ThreadData);
InitThreadData(ThreadData);
-
- ThreadData->hThread = GetCurrentThread();
}
else
{
#include <precomp.h>
-void _endthread(void);
-
-static DWORD WINAPI
-_beginthread_start(PVOID lpParameter)
-{
- PTHREADDATA ThreadData = (PTHREADDATA)lpParameter;
-
- if (SetThreadData(ThreadData))
- {
- /* FIXME - wrap start_address in SEH! */
- ThreadData->start_address(ThreadData->arglist);
-
- _endthread();
- }
- else
- {
- /* couldn't set the thread data, free it before terminating */
- free(ThreadData);
- }
-
- ExitThread(0);
-}
-
-
+#if 0
/*
- * @implemented
- *
- * FIXME: the return type should be uintptr_t
+ * @unimplemented
*/
unsigned long _beginthread(
void (__cdecl *start_address)(void*),
unsigned stack_size,
void* arglist)
{
- HANDLE hThread;
- PTHREADDATA ThreadData;
-
- if (start_address == NULL) {
- __set_errno(EINVAL);
- return (unsigned long)-1;
- }
-
- /* allocate the thread data structure already here instead of allocating the
- thread data structure in the thread itself. this way we can pass an error
- code to the caller in case we don't have sufficient resources */
- ThreadData = malloc(sizeof(THREADDATA));
- if (ThreadData == NULL)
- {
- __set_errno(EAGAIN);
- return (unsigned long)-1;
- }
-
- ThreadData->start_address = start_address;
- ThreadData->arglist = arglist;
-
- hThread = CreateThread(NULL,
- stack_size,
- _beginthread_start,
- ThreadData,
- CREATE_SUSPENDED,
- NULL);
- if (hThread == NULL)
- {
- free(ThreadData);
- __set_errno(EAGAIN);
- return (unsigned long)-1;
- }
-
- ThreadData->hThread = hThread;
-
- if (ResumeThread(hThread) == (DWORD)-1)
- {
- CloseHandle(hThread);
-
- /* freeing the ThreadData _could_ cause a crash, but only in case someone
- else resumed the thread and it got to free the context before we actually
- get here, but that's _very_ unlikely! */
- free(ThreadData);
- __set_errno(EAGAIN);
- return (unsigned long)-1;
- }
-
- return (unsigned long)hThread;
+ __set_errno ( ENOSYS );
+ return (unsigned long)-1;
}
-
+#endif
/*
- * @implemented
+ * @unimplemented
*/
void _endthread(void)
{
- PTHREADDATA ThreadData = GetThreadData();
-
- /* close the thread handle */
- CloseHandle(ThreadData->hThread);
-
- /* NOTE: the thread data will be freed in the thread detach routine that will
- call FreeThreadData */
-
- ExitThread(0);
}
+
+/* EOF */
--- /dev/null
+/*
+ * msvcrt.dll thread functions
+ *
+ * Copyright 2000 Jon Griffiths
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <precomp.h>
+#include <internal/wine/msvcrt.h>
+
+#include <malloc.h>
+#include <process.h>
+
+#include "wine/debug.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
+
+void _amsg_exit (int errnum);
+/* Index to TLS */
+DWORD MSVCRT_tls_index;
+
+typedef void (*_beginthread_start_routine_t)(void *);
+typedef unsigned int (__stdcall *_beginthreadex_start_routine_t)(void *);
+
+/********************************************************************/
+
+typedef struct {
+ _beginthread_start_routine_t start_address;
+ void *arglist;
+} _beginthread_trampoline_t;
+
+/*********************************************************************
+ * msvcrt_get_thread_data
+ *
+ * Return the thread local storage structure.
+ */
+MSVCRT_thread_data *msvcrt_get_thread_data(void)
+{
+ MSVCRT_thread_data *ptr;
+ DWORD err = GetLastError(); /* need to preserve last error */
+
+ if (!(ptr = TlsGetValue( MSVCRT_tls_index )))
+ {
+ if (!(ptr = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*ptr) )))
+ _amsg_exit( _RT_THREAD );
+ if (!TlsSetValue( MSVCRT_tls_index, ptr ))
+ _amsg_exit( _RT_THREAD );
+ if (!TlsSetValue( MSVCRT_tls_index, ptr ))
+ _amsg_exit( _RT_THREAD );
+ }
+ SetLastError( err );
+ return ptr;
+}
+
+/*********************************************************************
+ * _beginthread_trampoline
+ */
+static DWORD CALLBACK _beginthread_trampoline(LPVOID arg)
+{
+ _beginthread_trampoline_t local_trampoline;
+
+ /* Maybe it's just being paranoid, but freeing arg right
+ * away seems safer.
+ */
+ memcpy(&local_trampoline,arg,sizeof(local_trampoline));
+ free(arg);
+
+ local_trampoline.start_address(local_trampoline.arglist);
+ return 0;
+}
+
+/*********************************************************************
+ * _beginthread (MSVCRT.@)
+ */
+unsigned long _beginthread(
+ _beginthread_start_routine_t start_address, /* [in] Start address of routine that begins execution of new thread */
+ unsigned int stack_size, /* [in] Stack size for new thread or 0 */
+ void *arglist) /* [in] Argument list to be passed to new thread or NULL */
+{
+ _beginthread_trampoline_t* trampoline;
+
+ TRACE("(%p, %d, %p)\n", start_address, stack_size, arglist);
+
+ /* Allocate the trampoline here so that it is still valid when the thread
+ * starts... typically after this function has returned.
+ * _beginthread_trampoline is responsible for freeing the trampoline
+ */
+ trampoline=malloc(sizeof(*trampoline));
+ trampoline->start_address = start_address;
+ trampoline->arglist = arglist;
+
+ /* FIXME */
+ return (unsigned long)CreateThread(NULL, stack_size, _beginthread_trampoline,
+ trampoline, 0, NULL);
+}
projects / reactos.git / commitdiff