2 * msvcrt.dll exit 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
24 #include "wine/debug.h"
26 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
29 #define LOCK_EXIT _mlock(_EXIT_LOCK1)
30 #define UNLOCK_EXIT _munlock(_EXIT_LOCK1)
32 static MSVCRT__onexit_t *MSVCRT_atexit_table = NULL;
33 static int MSVCRT_atexit_table_size = 0;
34 static int MSVCRT_atexit_registered = 0; /* Points to free slot */
35 static MSVCRT_purecall_handler purecall_handler = NULL;
37 static const char szMsgBoxTitle[] = "Wine C++ Runtime Library";
39 extern int MSVCRT_app_type;
40 extern MSVCRT_wchar_t *MSVCRT__wpgmptr;
42 static unsigned int MSVCRT_abort_behavior = MSVCRT__WRITE_ABORT_MSG | MSVCRT__CALL_REPORTFAULT;
43 static int MSVCRT_error_mode = MSVCRT__OUT_TO_DEFAULT;
45 void (*CDECL _aexit_rtn)(int) = MSVCRT__exit;
47 /* INTERNAL: call atexit functions */
48 static void __MSVCRT__call_atexit(void)
50 /* Note: should only be called with the exit lock held */
51 TRACE("%d atext functions to call\n", MSVCRT_atexit_registered);
52 /* Last registered gets executed first */
53 while (MSVCRT_atexit_registered > 0)
55 MSVCRT_atexit_registered--;
56 TRACE("next is %p\n",MSVCRT_atexit_table[MSVCRT_atexit_registered]);
57 if (MSVCRT_atexit_table[MSVCRT_atexit_registered])
58 (*MSVCRT_atexit_table[MSVCRT_atexit_registered])();
63 /*********************************************************************
64 * __dllonexit (MSVCRT.@)
66 MSVCRT__onexit_t CDECL __dllonexit(MSVCRT__onexit_t func, MSVCRT__onexit_t **start, MSVCRT__onexit_t **end)
68 MSVCRT__onexit_t *tmp;
71 TRACE("(%p,%p,%p)\n", func, start, end);
73 if (!start || !*start || !end || !*end)
79 len = (*end - *start);
81 TRACE("table start %p-%p, %d entries\n", *start, *end, len);
86 tmp = MSVCRT_realloc(*start, len * sizeof(tmp));
92 TRACE("new table start %p-%p, %d entries\n", *start, *end, len);
96 /*********************************************************************
99 void CDECL MSVCRT__exit(int exitcode)
101 TRACE("(%d)\n", exitcode);
102 ExitProcess(exitcode);
105 /* Print out an error message with an option to debug */
106 static void DoMessageBoxW(const MSVCRT_wchar_t *lead, const MSVCRT_wchar_t *message)
108 static const MSVCRT_wchar_t message_format[] = {'%','s','\n','\n','P','r','o','g','r','a','m',':',' ','%','s','\n',
109 '%','s','\n','\n','P','r','e','s','s',' ','O','K',' ','t','o',' ','e','x','i','t',' ','t','h','e',' ',
110 'p','r','o','g','r','a','m',',',' ','o','r',' ','C','a','n','c','e','l',' ','t','o',' ','s','t','a','r','t',' ',
111 't','h','e',' ','W','i','n','e',' ','d','e','b','b','u','g','e','r','.','\n',0};
113 MSGBOXPARAMSW msgbox;
114 MSVCRT_wchar_t text[2048];
117 MSVCRT__snwprintf(text,sizeof(text),message_format, lead, MSVCRT__wpgmptr, message);
119 msgbox.cbSize = sizeof(msgbox);
120 msgbox.hwndOwner = GetActiveWindow();
121 msgbox.hInstance = 0;
122 msgbox.lpszText = (LPCWSTR)text;
123 msgbox.lpszCaption = (LPCWSTR)szMsgBoxTitle;
124 msgbox.dwStyle = MB_OKCANCEL|MB_ICONERROR;
125 msgbox.lpszIcon = NULL;
126 msgbox.dwContextHelpId = 0;
127 msgbox.lpfnMsgBoxCallback = NULL;
128 msgbox.dwLanguageId = LANG_NEUTRAL;
130 ret = MessageBoxIndirectW(&msgbox);
135 static void DoMessageBox(const char *lead, const char *message)
137 MSVCRT_wchar_t leadW[1024], messageW[1024];
139 MSVCRT_mbstowcs(leadW, lead, 1024);
140 MSVCRT_mbstowcs(messageW, message, 1024);
142 return DoMessageBoxW(leadW, messageW);
145 /*********************************************************************
146 * _amsg_exit (MSVCRT.@)
148 void CDECL _amsg_exit(int errnum)
150 TRACE("(%d)\n", errnum);
152 if ((MSVCRT_error_mode == MSVCRT__OUT_TO_MSGBOX) ||
153 ((MSVCRT_error_mode == MSVCRT__OUT_TO_DEFAULT) && (MSVCRT_app_type == 2)))
156 sprintf(text, "Error: R60%d",errnum);
157 DoMessageBox("Runtime error!", text);
160 _cprintf("\nruntime error R60%d\n",errnum);
164 /*********************************************************************
167 void CDECL MSVCRT_abort(void)
171 if (MSVCRT_abort_behavior & MSVCRT__WRITE_ABORT_MSG)
173 if ((MSVCRT_error_mode == MSVCRT__OUT_TO_MSGBOX) ||
174 ((MSVCRT_error_mode == MSVCRT__OUT_TO_DEFAULT) && (MSVCRT_app_type == 2)))
176 DoMessageBox("Runtime error!", "abnormal program termination");
179 _cputs("\nabnormal program termination\n");
181 MSVCRT_raise(MSVCRT_SIGABRT);
182 /* in case raise() returns */
186 /*********************************************************************
187 * _set_abort_behavior (MSVCRT.@)
189 * Not exported by native msvcrt, added in msvcr80
191 unsigned int CDECL MSVCRT__set_abort_behavior(unsigned int flags, unsigned int mask)
193 unsigned int old = MSVCRT_abort_behavior;
195 TRACE("%x, %x\n", flags, mask);
196 if (mask & MSVCRT__CALL_REPORTFAULT)
197 FIXME("_WRITE_CALL_REPORTFAULT unhandled\n");
199 MSVCRT_abort_behavior = (MSVCRT_abort_behavior & ~mask) | (flags & mask);
203 /*********************************************************************
204 * _wassert (MSVCRT.@)
206 void CDECL MSVCRT__wassert(const MSVCRT_wchar_t* str, const MSVCRT_wchar_t* file, unsigned int line)
208 static const MSVCRT_wchar_t assertion_failed[] = {'A','s','s','e','r','t','i','o','n',' ','f','a','i','l','e','d','!',0};
209 static const MSVCRT_wchar_t format_msgbox[] = {'F','i','l','e',':',' ','%','s','\n','L','i','n','e',':',' ','%','d',
210 '\n','\n','E','x','p','r','e','s','s','i','o','n',':',' ','\"','%','s','\"',0};
211 static const MSVCRT_wchar_t format_console[] = {'A','s','s','e','r','t','i','o','n',' ','f','a','i','l','e','d',':',' ',
212 '%','s',',',' ','f','i','l','e',' ','%','s',',',' ','l','i','n','e',' ','%','d','\n','\n',0};
214 TRACE("(%s,%s,%d)\n", debugstr_w(str), debugstr_w(file), line);
216 if ((MSVCRT_error_mode == MSVCRT__OUT_TO_MSGBOX) ||
217 ((MSVCRT_error_mode == MSVCRT__OUT_TO_DEFAULT) && (MSVCRT_app_type == 2)))
219 MSVCRT_wchar_t text[2048];
220 MSVCRT__snwprintf(text, sizeof(text), format_msgbox, file, line, str);
221 DoMessageBoxW(assertion_failed, text);
224 _cwprintf(format_console, str, file, line);
226 MSVCRT_raise(MSVCRT_SIGABRT);
230 /*********************************************************************
233 void CDECL MSVCRT__assert(const char* str, const char* file, unsigned int line)
235 MSVCRT_wchar_t strW[1024], fileW[1024];
237 MSVCRT_mbstowcs(strW, str, 1024);
238 MSVCRT_mbstowcs(fileW, file, 1024);
240 MSVCRT__wassert(strW, fileW, line);
243 /*********************************************************************
246 void CDECL MSVCRT__c_exit(void)
249 /* All cleanup is done on DLL detach; Return to caller */
252 /*********************************************************************
255 void CDECL MSVCRT__cexit(void)
259 __MSVCRT__call_atexit();
263 /*********************************************************************
266 MSVCRT__onexit_t CDECL MSVCRT__onexit(MSVCRT__onexit_t func)
268 TRACE("(%p)\n",func);
274 if (MSVCRT_atexit_registered > MSVCRT_atexit_table_size - 1)
276 MSVCRT__onexit_t *newtable;
277 TRACE("expanding table\n");
278 newtable = MSVCRT_calloc(sizeof(void *),MSVCRT_atexit_table_size + 32);
285 memcpy (newtable, MSVCRT_atexit_table, MSVCRT_atexit_table_size);
286 MSVCRT_atexit_table_size += 32;
287 MSVCRT_free (MSVCRT_atexit_table);
288 MSVCRT_atexit_table = newtable;
290 MSVCRT_atexit_table[MSVCRT_atexit_registered] = func;
291 MSVCRT_atexit_registered++;
296 /*********************************************************************
299 void CDECL MSVCRT_exit(int exitcode)
302 static const WCHAR mscoreeW[] = {'m','s','c','o','r','e','e',0};
303 void WINAPI (*pCorExitProcess)(int);
305 TRACE("(%d)\n",exitcode);
308 hmscoree = GetModuleHandleW(mscoreeW);
312 pCorExitProcess = (void*)GetProcAddress(hmscoree, "CorExitProcess");
315 pCorExitProcess(exitcode);
318 ExitProcess(exitcode);
321 /*********************************************************************
324 int CDECL MSVCRT_atexit(void (*func)(void))
326 TRACE("(%p)\n", func);
327 return MSVCRT__onexit((MSVCRT__onexit_t)func) == (MSVCRT__onexit_t)func ? 0 : -1;
330 /* _set_purecall_handler - not exported in native msvcrt */
331 MSVCRT_purecall_handler CDECL _set_purecall_handler(MSVCRT_purecall_handler function)
333 MSVCRT_purecall_handler ret = purecall_handler;
335 TRACE("(%p)\n", function);
336 purecall_handler = function;
340 /*********************************************************************
341 * _purecall (MSVCRT.@)
343 void CDECL _purecall(void)
352 /******************************************************************************
353 * _set_error_mode (MSVCRT.@)
355 * Set the error mode, which describes where the C run-time writes error messages.
358 * mode - the new error mode
361 * The old error mode.
364 int CDECL _set_error_mode(int mode)
367 const int old = MSVCRT_error_mode;
368 if ( MSVCRT__REPORT_ERRMODE != mode ) {
369 MSVCRT_error_mode = mode;