mirror of
https://github.com/reactos/reactos.git
synced 2024-11-18 21:13:52 +00:00
98 lines
2.2 KiB
C
98 lines
2.2 KiB
C
/* taken from wine exit.c */
|
|
#include <precomp.h>
|
|
|
|
_onexit_t *atexit_table = NULL;
|
|
int atexit_table_size = 0;
|
|
int atexit_registered = 0; /* Points to free slot */
|
|
|
|
/* INTERNAL: call atexit functions */
|
|
void __call_atexit(void)
|
|
{
|
|
/* Note: should only be called with the exit lock held */
|
|
TRACE("%d atext functions to call\n", atexit_registered);
|
|
/* Last registered gets executed first */
|
|
while (atexit_registered > 0)
|
|
{
|
|
atexit_registered--;
|
|
TRACE("next is %p\n",atexit_table[atexit_registered]);
|
|
if (atexit_table[atexit_registered])
|
|
(*atexit_table[atexit_registered])();
|
|
TRACE("returned\n");
|
|
}
|
|
}
|
|
|
|
/*********************************************************************
|
|
* __dllonexit (MSVCRT.@)
|
|
*/
|
|
_onexit_t CDECL __dllonexit(_onexit_t func, _onexit_t **start, _onexit_t **end)
|
|
{
|
|
_onexit_t *tmp;
|
|
size_t 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 = realloc(*start, len * sizeof(_onexit_t));
|
|
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;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* _onexit (MSVCRT.@)
|
|
*/
|
|
_onexit_t CDECL _onexit(_onexit_t func)
|
|
{
|
|
TRACE("(%p)\n",func);
|
|
|
|
if (!func)
|
|
return NULL;
|
|
|
|
LOCK_EXIT;
|
|
if (atexit_registered > atexit_table_size - 1)
|
|
{
|
|
_onexit_t *newtable;
|
|
TRACE("expanding table\n");
|
|
newtable = calloc(atexit_table_size + 32, sizeof(void *));
|
|
if (!newtable)
|
|
{
|
|
TRACE("failed!\n");
|
|
UNLOCK_EXIT;
|
|
return NULL;
|
|
}
|
|
memcpy (newtable, atexit_table, atexit_table_size);
|
|
atexit_table_size += 32;
|
|
free (atexit_table);
|
|
atexit_table = newtable;
|
|
}
|
|
atexit_table[atexit_registered] = func;
|
|
atexit_registered++;
|
|
UNLOCK_EXIT;
|
|
return func;
|
|
}
|
|
|
|
/*********************************************************************
|
|
* atexit (MSVCRT.@)
|
|
*/
|
|
int CDECL atexit(void (*func)(void))
|
|
{
|
|
TRACE("(%p)\n", func);
|
|
return _onexit((_onexit_t)func) == (_onexit_t)func ? 0 : -1;
|
|
}
|
|
|