Sweden-Number/dlls/msvcrt/exit.c

208 lines
4.9 KiB
C

/*
* msvcrt.dll exit functions
*
* Copyright 2000 Jon Griffiths
*/
#include "msvcrt.h"
DEFAULT_DEBUG_CHANNEL(msvcrt);
/* MT */
extern CRITICAL_SECTION MSVCRT_exit_cs;
#define LOCK_EXIT EnterCriticalSection(&MSVCRT_exit_cs)
#define UNLOCK_EXIT LeaveCriticalSection(&MSVCRT_exit_cs)
typedef void (*MSVCRT_atexit_func)(void);
static MSVCRT_atexit_func *MSVCRT_atexit_table = NULL;
static int MSVCRT_atexit_table_size = 0;
static int MSVCRT_atexit_registered = 0; /* Points to free slot */
extern int MSVCRT_app_type;
void *MSVCRT_realloc(void *ptr, unsigned int size);
/* INTERNAL: call atexit functions */
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_atexit_func __dllonexit(MSVCRT_atexit_func func,
MSVCRT_atexit_func **start,
MSVCRT_atexit_func **end)
{
MSVCRT_atexit_func *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_atexit_func *)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 MSVCRT__exit(int exitcode)
{
TRACE("(%d)\n", exitcode);
ExitProcess(exitcode);
}
/*********************************************************************
* _amsg_exit (MSVCRT.@)
*/
void MSVCRT__amsg_exit(int errnum)
{
TRACE("(%d)\n", errnum);
/* FIXME: text for the error number. */
if (MSVCRT_app_type == 2)
{
/* FIXME: MsgBox */
}
_cprintf("\nruntime error R60%d\n",errnum);
MSVCRT__exit(255);
}
/*********************************************************************
* abort (MSVCRT.@)
*/
void MSVCRT_abort(void)
{
TRACE("(void)\n");
if (MSVCRT_app_type == 2)
{
/* FIXME: MsgBox */
}
_cputs("\nabnormal program termination\n");
MSVCRT__exit(3);
}
/*********************************************************************
* _assert (MSVCRT.@)
*/
void MSVCRT__assert(const char* str, const char* file, unsigned int line)
{
TRACE("(%s,%s,%d)\n",str,file,line);
if (MSVCRT_app_type == 2)
{
/* FIXME: MsgBox */
}
_cprintf("Assertion failed: %s, file %s, line %d\n\n",str,file, line);
MSVCRT_abort();
}
/*********************************************************************
* _c_exit (MSVCRT.@)
*/
void MSVCRT__c_exit(void)
{
TRACE("(void)\n");
/* All cleanup is done on DLL detach; Return to caller */
}
/*********************************************************************
* _cexit (MSVCRT.@)
*/
void MSVCRT__cexit(void)
{
TRACE("(void)\n");
/* All cleanup is done on DLL detach; Return to caller */
}
/*********************************************************************
* _onexit (MSVCRT.@)
*/
MSVCRT_atexit_func _onexit(MSVCRT_atexit_func func)
{
TRACE("(%p)\n",func);
if (!func)
return NULL;
LOCK_EXIT;
if (MSVCRT_atexit_registered > MSVCRT_atexit_table_size - 1)
{
MSVCRT_atexit_func *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;
if (MSVCRT_atexit_table)
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 MSVCRT_exit(int exitcode)
{
TRACE("(%d)\n",exitcode);
LOCK_EXIT;
__MSVCRT__call_atexit();
UNLOCK_EXIT;
ExitProcess(exitcode);
}
/*********************************************************************
* atexit (MSVCRT.@)
*/
int MSVCRT_atexit(MSVCRT_atexit_func func)
{
TRACE("(%p)\n", func);
return _onexit(func) == func ? 0 : -1;
}
/*********************************************************************
* _purecall (MSVCRT.@)
*/
void _purecall(void)
{
TRACE("(void)\n");
MSVCRT__amsg_exit( 25 );
}