7 static int do_wait(volatile int *addr, int val,
8 clockid_t clk, const struct timespec *at, int priv)
11 struct timespec to, *top=0;
14 if (at->tv_nsec >= 1000000000UL) return EINVAL;
15 if (clock_gettime(clk, &to)) return EINVAL;
16 to.tv_sec = at->tv_sec - to.tv_sec;
17 if ((to.tv_nsec = at->tv_nsec - to.tv_nsec) < 0) {
19 to.tv_nsec += 1000000000;
21 if (to.tv_sec < 0) return ETIMEDOUT;
25 r = -__syscall_cp(SYS_futex, addr, FUTEX_WAIT, val, top);
26 if (r == EINTR || r == EINVAL || r == ETIMEDOUT) return r;
30 int __timedwait(volatile int *addr, int val,
31 clockid_t clk, const struct timespec *at,
32 void (*cleanup)(void *), void *arg, int priv)
36 if (!cleanup) pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs);
37 pthread_cleanup_push(cleanup, arg);
39 r = do_wait(addr, val, clk, at, priv);
41 pthread_cleanup_pop(0);
42 if (!cleanup) pthread_setcancelstate(cs, 0);