BizHawk/waterbox/libc/functions/stdlib/quick_exit.c

45 lines
954 B
C

/* quick_exit( int )
This file is part of the Public Domain C Library (PDCLib).
Permission is granted to use, modify, and / or redistribute at will.
*/
#include <stdlib.h>
#ifndef REGTEST
#include "_PDCLIB_io.h"
/* TODO - "except that a function is called after any previously registered
functions that had already been called at the time it was registered.
*/
/* TODO: 32 is guaranteed. This should be dynamic but ATM gives problems
with my malloc.
*/
#define NUMBER_OF_SLOTS 40
void (*_PDCLIB_quickexitstack[ NUMBER_OF_SLOTS ])( void ) = { 0 };
size_t _PDCLIB_quickexitptr = NUMBER_OF_SLOTS;
void quick_exit( int status )
{
while ( _PDCLIB_quickexitptr < NUMBER_OF_SLOTS )
{
_PDCLIB_quickexitstack[ _PDCLIB_quickexitptr++ ]();
}
_Exit( status );
}
#endif
#ifdef TEST
#include "_PDCLIB_test.h"
int main( void )
{
/* Unwinding of regstack tested in at_quick_exit(). */
return TEST_RESULTS;
}
#endif