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| | #include <stdlib.h>
#include <stdint.h>
#include "libc.h"
static void dummy()
{
}
/* atexit.c and __stdio_exit.c override these. the latter is linked
* as a consequence of linking either __toread.c or __towrite.c. */
weak_alias(dummy, __funcs_on_exit);
weak_alias(dummy, __stdio_exit);
weak_alias(dummy, _fini);
extern weak hidden void (*const __fini_array_start)(void), (*const __fini_array_end)(void);
static void libc_exit_fini(void)
{
uintptr_t a = (uintptr_t)&__fini_array_end;
for (; a>(uintptr_t)&__fini_array_start; a-=sizeof(void(*)()))
(*(void (**)())(a-sizeof(void(*)())))();
_fini();
}
weak_alias(libc_exit_fini, __libc_exit_fini);
_Noreturn void exit(int code)
{
__funcs_on_exit();
__libc_exit_fini();
__stdio_exit();
_Exit(code);
}
|