mingw-w64/mingw-w64-crt/atonexit.c
Kai Tietz 518dd33c32 Add initial snapshot of runtime crt.
git-svn-id: svn+ssh://svn.code.sf.net/p/mingw-w64/code/trunk@2 4407c894-4637-0410-b4f5-ada5f102cad1
2007-08-10 09:54:15 +00:00

52 lines
1.2 KiB
C
Executable File

#undef CRTDLL
#ifndef _DLL
#define _DLL
#endif
#include <oscalls.h>
#include <internal.h>
#include <stdlib.h>
#include <crtdefs.h>
#include <limits.h>
#include <windows.h>
#define _EXIT_LOCK1 8
void __cdecl _lock (int _File);
void __cdecl _unlock (int _File);
_PVFV *__onexitbegin;
_PVFV *__onexitend;
extern _CRTIMP _onexit_t __dllonexit (_onexit_t, _PVFV**, _PVFV**);
extern _onexit_t (__cdecl *_imp___onexit) (_onexit_t func);
/* Choose a different name to prevent name conflicts. The CRT one works fine. */
_onexit_t __cdecl mingw_onexit(_onexit_t func)
{
_PVFV *onexitbegin;
_PVFV *onexitend;
_onexit_t retval;
onexitbegin = (_PVFV *) _decode_pointer (__onexitbegin);
if (onexitbegin == (_PVFV *) -1)
return (*_imp___onexit) (func);
_lock (_EXIT_LOCK1);
onexitbegin = (_PVFV *) _decode_pointer (__onexitbegin);
onexitend = (_PVFV *) _decode_pointer (__onexitend);
retval = __dllonexit (func, &onexitbegin, &onexitend);
__onexitbegin = (_PVFV *) _encode_pointer (onexitbegin);
__onexitend = (_PVFV *) _encode_pointer (onexitend);
_unlock (_EXIT_LOCK1);
return retval;
}
int __cdecl
atexit (_PVFV func)
{
return (mingw_onexit((_onexit_t)func) == NULL) ? -1 : 0;
}