5 #include "pthread_impl.h"
7 int aio_suspend(const struct aiocb *const cbs[], int cnt, const struct timespec *ts)
9 int i, tid = 0, ret, expect = 0;
11 volatile int dummy_fut, *pfut;
13 const struct aiocb *cb = 0;
22 for (i=0; i<cnt; i++) if (cbs[i]) {
23 if (aio_error(cbs[i]) != EINPROGRESS) return 0;
29 clock_gettime(CLOCK_MONOTONIC, &at);
30 at.tv_sec += ts->tv_sec;
31 if ((at.tv_nsec += ts->tv_nsec) >= 1000000000) {
32 at.tv_nsec -= 1000000000;
39 if (cbs[i] && aio_error(cbs[i]) != EINPROGRESS)
47 pfut = (void *)&cb->__err;
48 expect = EINPROGRESS | 0x80000000;
49 a_cas(pfut, EINPROGRESS, expect);
53 if (!tid) tid = __pthread_self()->tid;
54 expect = a_cas(pfut, 0, tid);
55 if (!expect) expect = tid;
56 /* Need to recheck the predicate before waiting. */
58 if (cbs[i] && aio_error(cbs[i]) != EINPROGRESS)
63 ret = __timedwait_cp(pfut, expect, CLOCK_MONOTONIC, ts?&at:0, 1);
76 weak_alias(aio_suspend, aio_suspend64);