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-rw-r--r--components/libc/posix/pthreads/pthread_barrier.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/components/libc/posix/pthreads/pthread_barrier.c b/components/libc/posix/pthreads/pthread_barrier.c
index 1a5b7fa3f9..bebd25a455 100644
--- 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);