[fix] return "EINVAL" if "count" is zero.

2022-05-13 10:41:09 +08:00 · 2022-05-13 10:41:09 +08:00 · 6dd6929b8e
parent 75a55f2028
commit 6dd6929b8e
1 changed files with 2 additions and 0 deletions
--- a/components/libc/posix/pthreads/pthread_barrier.c
+++ b/components/libc/posix/pthreads/pthread_barrier.c
@ -72,6 +72,8 @@ int pthread_barrier_init(pthread_barrier_t           *barrier,
        return EINVAL;
    if (attr && (*attr != PTHREAD_PROCESS_PRIVATE))
        return EINVAL;
+    if (count == 0)
+        return EINVAL;

    barrier->count = count;
    pthread_cond_init(&(barrier->cond), NULL);