- 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);
+ if ((buf->__fl = save))
+ pthread_sigmask(SIG_SETMASK, 0, (sigset_t *)buf->__ss);
+ return setjmp(buf->__jb);