Merge pull request #9812 from jia200x/pr/pthread_fix

posix/pthread_rwlock: fix unsigned variable comparison

Merge pull request #9812 from jia200x/pr/pthread_fix
a04bb5ed · Kevin Weiss · GitHub · 69b2baee · f2ff06c9 · a04bb5ed
Unverified Commit a04bb5ed authored 6 years ago by Kevin Weiss Committed by GitHub 6 years ago
--- a/sys/posix/pthread/pthread_rwlock.c
+++ b/sys/posix/pthread/pthread_rwlock.c
@@ -191,7 +191,7 @@ static int pthread_rwlock_timedlock(pthread_rwlock_t *rwlock,
    uint64_t then = ((uint64_t)abstime->tv_sec * US_PER_SEC) +
                    (abstime->tv_nsec / NS_PER_US);
-    if ((then - now) <= 0) {
+    if (now >= then) {
        return ETIMEDOUT;
    }
    else {