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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 #include "msvcrt/conio.h"
24 #include "msvcrt/stdlib.h"
28 #include "wine/debug.h"
30 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
33 #define LOCK_EXIT _mlock(_EXIT_LOCK1)
34 #define UNLOCK_EXIT _munlock(_EXIT_LOCK1)
36 static MSVCRT__onexit_t *MSVCRT_atexit_table = NULL;
37 static int MSVCRT_atexit_table_size = 0;
38 static int MSVCRT_atexit_registered = 0; /* Points to free slot */
40 static LPCSTR szMsgBoxTitle = "Wine C++ Runtime Library";
42 extern int MSVCRT_app_type;
43 extern char *MSVCRT__pgmptr;
45 void (*_aexit_rtn)(int) = MSVCRT__exit;
47 /* INTERNAL: call atexit functions */
48 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 __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__onexit_t *)MSVCRT_realloc(*start, len * sizeof(tmp));
92 TRACE("new table start %p-%p, %d entries\n", *start, *end, len);
96 /*********************************************************************
99 void 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 DoMessageBox(LPCSTR lead, LPCSTR message)
108 MSGBOXPARAMSA msgbox;
112 snprintf(text,sizeof(text),"%s\n\nProgram: %s\n%s\n\n"
113 "Press OK to exit the program, or Cancel to start the Wine debugger.\n ",
114 lead, MSVCRT__pgmptr, message);
116 msgbox.cbSize = sizeof(msgbox);
117 msgbox.hwndOwner = GetActiveWindow();
118 msgbox.hInstance = 0;
119 msgbox.lpszText = text;
120 msgbox.lpszCaption = szMsgBoxTitle;
121 msgbox.dwStyle = MB_OKCANCEL|MB_ICONERROR;
122 msgbox.lpszIcon = NULL;
123 msgbox.dwContextHelpId = 0;
124 msgbox.lpfnMsgBoxCallback = NULL;
125 msgbox.dwLanguageId = LANG_NEUTRAL;
127 ret = MessageBoxIndirectA(&msgbox);
132 /*********************************************************************
133 * _amsg_exit (MSVCRT.@)
135 void MSVCRT__amsg_exit(int errnum)
137 TRACE("(%d)\n", errnum);
138 /* FIXME: text for the error number. */
139 if (MSVCRT_app_type == 2)
142 sprintf(text, "Error: R60%d",errnum);
143 DoMessageBox("Runtime error!", text);
146 _cprintf("\nruntime error R60%d\n",errnum);
150 /*********************************************************************
153 void MSVCRT_abort(void)
156 if (MSVCRT_app_type == 2)
158 DoMessageBox("Runtime error!", "abnormal program termination");
161 _cputs("\nabnormal program termination\n");
165 /*********************************************************************
168 void MSVCRT__assert(const char* str, const char* file, unsigned int line)
170 TRACE("(%s,%s,%d)\n",str,file,line);
171 if (MSVCRT_app_type == 2)
174 snprintf(text, sizeof(text), "File: %s\nLine: %d\n\nEpression: \"%s\"", file, line, str);
175 DoMessageBox("Assertion failed!", text);
178 _cprintf("Assertion failed: %s, file %s, line %d\n\n",str, file, line);
182 /*********************************************************************
185 void MSVCRT__c_exit(void)
188 /* All cleanup is done on DLL detach; Return to caller */
191 /*********************************************************************
194 void MSVCRT__cexit(void)
197 /* All cleanup is done on DLL detach; Return to caller */
200 /*********************************************************************
203 MSVCRT__onexit_t MSVCRT__onexit(MSVCRT__onexit_t func)
205 TRACE("(%p)\n",func);
211 if (MSVCRT_atexit_registered > MSVCRT_atexit_table_size - 1)
213 MSVCRT__onexit_t *newtable;
214 TRACE("expanding table\n");
215 newtable = MSVCRT_calloc(sizeof(void *),MSVCRT_atexit_table_size + 32);
222 memcpy (newtable, MSVCRT_atexit_table, MSVCRT_atexit_table_size);
223 MSVCRT_atexit_table_size += 32;
224 if (MSVCRT_atexit_table)
225 MSVCRT_free (MSVCRT_atexit_table);
226 MSVCRT_atexit_table = newtable;
228 MSVCRT_atexit_table[MSVCRT_atexit_registered] = func;
229 MSVCRT_atexit_registered++;
234 /*********************************************************************
237 void MSVCRT_exit(int exitcode)
239 TRACE("(%d)\n",exitcode);
241 __MSVCRT__call_atexit();
243 ExitProcess(exitcode);
246 /*********************************************************************
249 int MSVCRT_atexit(void (*func)(void))
251 TRACE("(%p)\n", func);
252 return MSVCRT__onexit((MSVCRT__onexit_t)func) == (MSVCRT__onexit_t)func ? 0 : -1;
256 /*********************************************************************
257 * _purecall (MSVCRT.@)
262 MSVCRT__amsg_exit( 25 );