void siglongjmp(sigjmp_buf buf, int ret)
{
- unsigned long *flag = buf + sizeof(jmp_buf)/sizeof(long);
+ unsigned long *flag = buf + sizeof(jmp_buf)/sizeof(long) - 1;
sigset_t *mask = (void *)(flag + 1);
if (*flag)
sigprocmask (SIG_SETMASK, mask, NULL);