--- /dev/null
+// Test pthread_cond_clockwait not generating false positives with tsan
+// { dg-do run { target { { *-*-linux* *-*-gnu* *-*-uclinux* } && pthread } } }
+// { dg-options "-fsanitize=thread -lpthread" }
+
+#include <pthread.h>
+
+pthread_cond_t cv;
+pthread_mutex_t mtx;
+
+void *fn(void *vp) {
+ pthread_mutex_lock(&mtx);
+ pthread_cond_signal(&cv);
+ pthread_mutex_unlock(&mtx);
+ return NULL;
+}
+
+int main() {
+ pthread_mutex_lock(&mtx);
+
+ pthread_t tid;
+ pthread_create(&tid, NULL, fn, NULL);
+
+ struct timespec ts;
+ clock_gettime(CLOCK_MONOTONIC, &ts);
+ ts.tv_sec += 10;
+ pthread_cond_clockwait(&cv, &mtx, CLOCK_MONOTONIC, &ts);
+ pthread_mutex_unlock(&mtx);
+
+ pthread_join(tid, NULL);
+ return 0;
+}