2 * msvcrt.dll thread functions
4 * Copyright 2000 Jon Griffiths
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #include "wine/debug.h"
23 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
25 /********************************************************************/
28 MSVCRT__beginthread_start_routine_t start_address;
30 } _beginthread_trampoline_t;
32 /*********************************************************************
33 * msvcrt_get_thread_data
35 * Return the thread local storage structure.
37 thread_data_t *msvcrt_get_thread_data(void)
40 DWORD err = GetLastError(); /* need to preserve last error */
42 if (!(ptr = TlsGetValue( msvcrt_tls_index )))
44 if (!(ptr = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*ptr) )))
45 _amsg_exit( _RT_THREAD );
46 if (!TlsSetValue( msvcrt_tls_index, ptr )) _amsg_exit( _RT_THREAD );
53 /*********************************************************************
54 * _beginthread_trampoline
56 static DWORD CALLBACK _beginthread_trampoline(LPVOID arg)
58 _beginthread_trampoline_t local_trampoline;
60 /* Maybe it's just being paranoid, but freeing arg right
63 memcpy(&local_trampoline,arg,sizeof(local_trampoline));
66 local_trampoline.start_address(local_trampoline.arglist);
70 /*********************************************************************
71 * _beginthread (MSVCRT.@)
73 unsigned long _beginthread(
74 MSVCRT__beginthread_start_routine_t start_address, /* [in] Start address of routine that begins execution of new thread */
75 unsigned int stack_size, /* [in] Stack size for new thread or 0 */
76 void *arglist) /* [in] Argument list to be passed to new thread or NULL */
78 _beginthread_trampoline_t* trampoline;
80 TRACE("(%p, %d, %p)\n", start_address, stack_size, arglist);
82 /* Allocate the trampoline here so that it is still valid when the thread
83 * starts... typically after this function has returned.
84 * _beginthread_trampoline is responsible for freeing the trampoline
86 trampoline=MSVCRT_malloc(sizeof(*trampoline));
87 trampoline->start_address = start_address;
88 trampoline->arglist = arglist;
91 return (unsigned long)CreateThread(NULL, stack_size, _beginthread_trampoline,
95 /*********************************************************************
96 * _beginthreadex (MSVCRT.@)
98 unsigned long _beginthreadex(
99 void *security, /* [in] Security descriptor for new thread; must be NULL for Windows 9x applications */
100 unsigned int stack_size, /* [in] Stack size for new thread or 0 */
101 MSVCRT__beginthreadex_start_routine_t start_address, /* [in] Start address of routine that begins execution of new thread */
102 void *arglist, /* [in] Argument list to be passed to new thread or NULL */
103 unsigned int initflag, /* [in] Initial state of new thread (0 for running or CREATE_SUSPEND for suspended) */
104 unsigned int *thrdaddr) /* [out] Points to a 32-bit variable that receives the thread identifier */
106 TRACE("(%p, %d, %p, %p, %d, %p)\n", security, stack_size, start_address, arglist, initflag, thrdaddr);
109 return (unsigned long)CreateThread(security, stack_size,
110 (LPTHREAD_START_ROUTINE) start_address,
111 arglist, initflag, (LPDWORD) thrdaddr);
114 /*********************************************************************
115 * _endthread (MSVCRT.@)
117 void _endthread(void)
125 /*********************************************************************
126 * _endthreadex (MSVCRT.@)
129 unsigned int retval) /* [in] Thread exit code */
131 TRACE("(%d)\n", retval);