[test][sanitizer] Add tests for join variants

1 files changed, 50 insertions, 0 deletions

diff --git a/compiler-rt/test/sanitizer_common/TestCases/Linux/pthread_join.cpp b/compiler-rt/test/sanitizer_common/TestCases/Linux/pthread_join.cpp
new file mode 100644
index 000000000000..ae293225911a
--- /dev/null
+++ b/compiler-rt/test/sanitizer_common/TestCases/Linux/pthread_join.cpp
@@ -0,0 +1,50 @@
+// RUN: %clangxx -pthread %s -o %t && %run %t
+
+// XFAIL: msan
+
+// REQUIRES: glibc
+
+#include <assert.h>
+#include <ctime>
+#include <pthread.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+static void *fn(void *args) {
+  sleep(1);
+  return (void *)(~(uintptr_t)args);
+}
+
+int main(int argc, char **argv) {
+  pthread_t thread[4];
+  assert(!pthread_create(&thread[0], 0, fn, (void *)1000));
+  assert(!pthread_create(&thread[1], 0, fn, (void *)1001));
+  assert(!pthread_create(&thread[2], 0, fn, (void *)1002));
+  assert(!pthread_create(&thread[3], 0, fn, (void *)1003));
+
+  assert(!pthread_detach(thread[0]));
+
+  {
+    void *res;
+    while (pthread_tryjoin_np(thread[1], &res))
+      sleep(1);
+    assert(~(uintptr_t)res == 1001);
+  }
+
+  {
+    void *res;
+    timespec tm = {0, 1};
+    while (pthread_timedjoin_np(thread[2], &res, &tm))
+      sleep(1);
+    assert(~(uintptr_t)res == 1002);
+  }
+
+  {
+    void *res;
+    assert(!pthread_join(thread[3], &res));
+    assert(~(uintptr_t)res == 1003);
+  }
+
+  return 0;
+}