wine/dlls/msvcrt/exit.c

276 lines
7.1 KiB
C

/*
* msvcrt.dll exit 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdio.h>
#include "msvcrt.h"
#include "mtdll.h"
#include "winuser.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
/* MT */
#define LOCK_EXIT _mlock(_EXIT_LOCK1)
#define UNLOCK_EXIT _munlock(_EXIT_LOCK1)
static MSVCRT__onexit_t *MSVCRT_atexit_table = NULL;
static int MSVCRT_atexit_table_size = 0;
static int MSVCRT_atexit_registered = 0; /* Points to free slot */
static MSVCRT_purecall_handler purecall_handler = NULL;
static const char szMsgBoxTitle[] = "Wine C++ Runtime Library";
extern int MSVCRT_app_type;
extern char *MSVCRT__pgmptr;
void (*CDECL _aexit_rtn)(int) = MSVCRT__exit;
/* INTERNAL: call atexit functions */
static void __MSVCRT__call_atexit(void)
{
/* Note: should only be called with the exit lock held */
TRACE("%d atext functions to call\n", MSVCRT_atexit_registered);
/* Last registered gets executed first */
while (MSVCRT_atexit_registered > 0)
{
MSVCRT_atexit_registered--;
TRACE("next is %p\n",MSVCRT_atexit_table[MSVCRT_atexit_registered]);
if (MSVCRT_atexit_table[MSVCRT_atexit_registered])
(*MSVCRT_atexit_table[MSVCRT_atexit_registered])();
TRACE("returned\n");
}
}
/*********************************************************************
* __dllonexit (MSVCRT.@)
*/
MSVCRT__onexit_t CDECL __dllonexit(MSVCRT__onexit_t func, MSVCRT__onexit_t **start, MSVCRT__onexit_t **end)
{
MSVCRT__onexit_t *tmp;
int len;
TRACE("(%p,%p,%p)\n", func, start, end);
if (!start || !*start || !end || !*end)
{
FIXME("bad table\n");
return NULL;
}
len = (*end - *start);
TRACE("table start %p-%p, %d entries\n", *start, *end, len);
if (++len <= 0)
return NULL;
tmp = MSVCRT_realloc(*start, len * sizeof(tmp));
if (!tmp)
return NULL;
*start = tmp;
*end = tmp + len;
tmp[len - 1] = func;
TRACE("new table start %p-%p, %d entries\n", *start, *end, len);
return func;
}
/*********************************************************************
* _exit (MSVCRT.@)
*/
void CDECL MSVCRT__exit(int exitcode)
{
TRACE("(%d)\n", exitcode);
ExitProcess(exitcode);
}
/* Print out an error message with an option to debug */
static void DoMessageBox(LPCSTR lead, LPCSTR message)
{
MSGBOXPARAMSA msgbox;
char text[2048];
INT ret;
snprintf(text,sizeof(text),"%s\n\nProgram: %s\n%s\n\n"
"Press OK to exit the program, or Cancel to start the Wine debugger.\n ",
lead, MSVCRT__pgmptr, message);
msgbox.cbSize = sizeof(msgbox);
msgbox.hwndOwner = GetActiveWindow();
msgbox.hInstance = 0;
msgbox.lpszText = text;
msgbox.lpszCaption = szMsgBoxTitle;
msgbox.dwStyle = MB_OKCANCEL|MB_ICONERROR;
msgbox.lpszIcon = NULL;
msgbox.dwContextHelpId = 0;
msgbox.lpfnMsgBoxCallback = NULL;
msgbox.dwLanguageId = LANG_NEUTRAL;
ret = MessageBoxIndirectA(&msgbox);
if (ret == IDCANCEL)
DebugBreak();
}
/*********************************************************************
* _amsg_exit (MSVCRT.@)
*/
void CDECL _amsg_exit(int errnum)
{
TRACE("(%d)\n", errnum);
/* FIXME: text for the error number. */
if (MSVCRT_app_type == 2)
{
char text[32];
sprintf(text, "Error: R60%d",errnum);
DoMessageBox("Runtime error!", text);
}
else
_cprintf("\nruntime error R60%d\n",errnum);
_aexit_rtn(255);
}
/*********************************************************************
* abort (MSVCRT.@)
*/
void CDECL MSVCRT_abort(void)
{
TRACE("()\n");
if (MSVCRT_app_type == 2)
{
DoMessageBox("Runtime error!", "abnormal program termination");
}
else
_cputs("\nabnormal program termination\n");
MSVCRT_raise(MSVCRT_SIGABRT);
/* in case raise() returns */
MSVCRT__exit(3);
}
/*********************************************************************
* _assert (MSVCRT.@)
*/
void CDECL MSVCRT__assert(const char* str, const char* file, unsigned int line)
{
TRACE("(%s,%s,%d)\n",str,file,line);
if (MSVCRT_app_type == 2)
{
char text[2048];
snprintf(text, sizeof(text), "File: %s\nLine: %d\n\nExpression: \"%s\"", file, line, str);
DoMessageBox("Assertion failed!", text);
}
else
_cprintf("Assertion failed: %s, file %s, line %d\n\n",str, file, line);
MSVCRT_raise(MSVCRT_SIGABRT);
/* in case raise() returns */
MSVCRT__exit(3);
}
/*********************************************************************
* _c_exit (MSVCRT.@)
*/
void CDECL MSVCRT__c_exit(void)
{
TRACE("(void)\n");
/* All cleanup is done on DLL detach; Return to caller */
}
/*********************************************************************
* _cexit (MSVCRT.@)
*/
void CDECL MSVCRT__cexit(void)
{
TRACE("(void)\n");
LOCK_EXIT;
__MSVCRT__call_atexit();
UNLOCK_EXIT;
}
/*********************************************************************
* _onexit (MSVCRT.@)
*/
MSVCRT__onexit_t CDECL MSVCRT__onexit(MSVCRT__onexit_t func)
{
TRACE("(%p)\n",func);
if (!func)
return NULL;
LOCK_EXIT;
if (MSVCRT_atexit_registered > MSVCRT_atexit_table_size - 1)
{
MSVCRT__onexit_t *newtable;
TRACE("expanding table\n");
newtable = MSVCRT_calloc(sizeof(void *),MSVCRT_atexit_table_size + 32);
if (!newtable)
{
TRACE("failed!\n");
UNLOCK_EXIT;
return NULL;
}
memcpy (newtable, MSVCRT_atexit_table, MSVCRT_atexit_table_size);
MSVCRT_atexit_table_size += 32;
MSVCRT_free (MSVCRT_atexit_table);
MSVCRT_atexit_table = newtable;
}
MSVCRT_atexit_table[MSVCRT_atexit_registered] = func;
MSVCRT_atexit_registered++;
UNLOCK_EXIT;
return func;
}
/*********************************************************************
* exit (MSVCRT.@)
*/
void CDECL MSVCRT_exit(int exitcode)
{
TRACE("(%d)\n",exitcode);
MSVCRT__cexit();
ExitProcess(exitcode);
}
/*********************************************************************
* atexit (MSVCRT.@)
*/
int CDECL MSVCRT_atexit(void (*func)(void))
{
TRACE("(%p)\n", func);
return MSVCRT__onexit((MSVCRT__onexit_t)func) == (MSVCRT__onexit_t)func ? 0 : -1;
}
/* _set_purecall_handler - not exported in native msvcrt */
MSVCRT_purecall_handler CDECL _set_purecall_handler(MSVCRT_purecall_handler function)
{
MSVCRT_purecall_handler ret = purecall_handler;
TRACE("(%p)\n", function);
purecall_handler = function;
return ret;
}
/*********************************************************************
* _purecall (MSVCRT.@)
*/
void CDECL _purecall(void)
{
TRACE("(void)\n");
if(purecall_handler)
purecall_handler();
_amsg_exit( 25 );
}