blob: a6667a27964f39a321cc1ba78b2923e3d24d47b5 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
|
#include <setjmp.h>
#include <signal.h>
#include <stdlib.h>
/* !!! This function will not work unless the compiler performs
* tail call optimization. Machine-specific asm versions should
* be created instead even though the workaround (tail call)
* is entirely non-machine-specific... */
int sigsetjmp(sigjmp_buf buf, int save)
{
long *flag = buf + sizeof(jmp_buf)/sizeof(long);
sigset_t *mask = (void *)(flag + 1);
if ((*flag = save))
sigprocmask (SIG_SETMASK, NULL, mask);
return setjmp((void *)buf);
}
|
