tsan: add a test for on_exit
Depends on D114605.
Reviewed By: vitalybuka, melver
Differential Revision: https://reviews.llvm.org/D114606
GitOrigin-RevId: 3f87788de1105c8ec4fcebb692919750869d421a
diff --git a/test/tsan/on_exit.cpp b/test/tsan/on_exit.cpp
new file mode 100644
index 0000000..5dd5bfa
--- /dev/null
+++ b/test/tsan/on_exit.cpp
@@ -0,0 +1,31 @@
+// RUN: %clang_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
+#include "test.h"
+
+volatile long global;
+
+void *thread(void *x) {
+ global++;
+ barrier_wait(&barrier);
+ return nullptr;
+}
+
+void on_exit_callback(int status, void *arg) {
+ fprintf(stderr, "on_exit_callback(%d, %lu)\n", status, (long)arg);
+ global++;
+}
+
+int main() {
+ on_exit(on_exit_callback, (void *)42l);
+ barrier_init(&barrier, 2);
+ pthread_t th;
+ pthread_create(&th, nullptr, thread, nullptr);
+ pthread_detach(th);
+ barrier_wait(&barrier);
+ return 2;
+}
+
+// CHECK: on_exit_callback(2, 42)
+// CHECK: WARNING: ThreadSanitizer: data race
+// CHECK: Write of size 8
+// CHECK: #0 on_exit_callback
+// CHECK: #1 on_exit_wrapper
