ReactOS  0.4.13-dev-52-g0efcfec
thread.c
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1 /*
2  * msvcrt.dll thread functions
3  *
4  * Copyright 2000 Jon Griffiths
5  *
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.
10  *
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.
15  *
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19  */
20 
21 #include <precomp.h>
22 #include <malloc.h>
23 #include <process.h>
24 
26 typedef unsigned int (__stdcall *_beginthreadex_start_routine_t)(void *);
27 
28 /********************************************************************/
29 
30 typedef struct {
33  void *arglist;
35 
36 /*********************************************************************
37  * _beginthread_trampoline
38  */
40 {
41  _beginthread_trampoline_t local_trampoline;
43 
44  memcpy(&local_trampoline,arg,sizeof(local_trampoline));
45  data->handle = local_trampoline.thread;
46  free(arg);
47 
48  local_trampoline.start_address(local_trampoline.arglist);
49  return 0;
50 }
51 
52 /*********************************************************************
53  * _beginthread (MSVCRT.@)
54  */
56  _beginthread_start_routine_t start_address, /* [in] Start address of routine that begins execution of new thread */
57  unsigned int stack_size, /* [in] Stack size for new thread or 0 */
58  void *arglist) /* [in] Argument list to be passed to new thread or NULL */
59 {
60  _beginthread_trampoline_t* trampoline;
61  HANDLE thread;
62 
63  TRACE("(%p, %d, %p)\n", start_address, stack_size, arglist);
64 
65  trampoline = malloc(sizeof(*trampoline));
66  if(!trampoline) {
67  *_errno() = EAGAIN;
68  return -1;
69  }
70 
72  trampoline, CREATE_SUSPENDED, NULL);
73  if(!thread) {
74  free(trampoline);
75  *_errno() = EAGAIN;
76  return -1;
77  }
78 
79  trampoline->thread = thread;
80  trampoline->start_address = start_address;
81  trampoline->arglist = arglist;
82 
83  if(ResumeThread(thread) == -1) {
84  free(trampoline);
85  *_errno() = EAGAIN;
86  return -1;
87  }
88 
89  return (uintptr_t)thread;
90 }
91 
92 /*********************************************************************
93  * _endthread (MSVCRT.@)
94  */
95 void CDECL _endthread(void)
96 {
97  TRACE("(void)\n");
98 
99  /* FIXME */
100  ExitThread(0);
101 }
static DWORD CALLBACK _beginthread_trampoline(LPVOID arg)
Definition: thread.c:39
static void(WINAPI *pReleaseActCtx)(HANDLE)
#define free
Definition: debug_ros.c:5
#define CALLBACK
Definition: compat.h:27
uintptr_t _beginthread(_beginthread_start_routine_t start_address, unsigned int stack_size, void *arglist)
Definition: thread.c:55
#define CREATE_SUSPENDED
Definition: winbase.h:178
unsigned int uintptr_t
Definition: crtdefs.h:300
unsigned int(__stdcall * _beginthreadex_start_routine_t)(void *)
Definition: thread.c:26
HANDLE WINAPI DECLSPEC_HOTPATCH CreateThread(IN LPSECURITY_ATTRIBUTES lpThreadAttributes, IN DWORD dwStackSize, IN LPTHREAD_START_ROUTINE lpStartAddress, IN LPVOID lpParameter, IN DWORD dwCreationFlags, OUT LPDWORD lpThreadId)
Definition: thread.c:112
smooth NULL
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VOID WINAPI ExitThread(IN DWORD uExitCode)
Definition: thread.c:327
#define TRACE(s)
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unsigned long DWORD
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#define __stdcall
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GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
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_CRTIMP int *__cdecl _errno(void)
Definition: errno.c:19
void CDECL _endthread(void)
Definition: thread.c:95
static HANDLE thread
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_beginthread_start_routine_t start_address
Definition: thread.c:32
#define memcpy(s1, s2, n)
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void(* _beginthread_start_routine_t)(void *)
Definition: thread.c:25
#define CDECL
Definition: compat.h:21
DWORD WINAPI ResumeThread(IN HANDLE hThread)
Definition: thread.c:529
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va_lists_t arglist[FMT_ARGMAX+1]
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