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-rw-r--r--test/tsan/fd_tid_recycled.cc54
1 files changed, 54 insertions, 0 deletions
diff --git a/test/tsan/fd_tid_recycled.cc b/test/tsan/fd_tid_recycled.cc
new file mode 100644
index 000000000000..d31478728bc0
--- /dev/null
+++ b/test/tsan/fd_tid_recycled.cc
@@ -0,0 +1,54 @@
+// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
+#include "test.h"
+
+int fds[2];
+
+void *ThreadCreatePipe(void *x) {
+ pipe(fds);
+ return NULL;
+}
+
+void *ThreadDummy(void *x) {
+ return NULL;
+}
+
+void *ThreadWrite(void *x) {
+ write(fds[1], "a", 1);
+ barrier_wait(&barrier);
+ return NULL;
+}
+
+void *ThreadClose(void *x) {
+ barrier_wait(&barrier);
+ close(fds[0]);
+ close(fds[1]);
+ return NULL;
+}
+
+int main() {
+ barrier_init(&barrier, 2);
+ pthread_t t_create;
+ pthread_create(&t_create, NULL, ThreadCreatePipe, NULL);
+ pthread_join(t_create, NULL);
+
+ for (int i = 0; i < 100; i++) {
+ pthread_t t_dummy;
+ pthread_create(&t_dummy, NULL, ThreadDummy, NULL);
+ pthread_join(t_dummy, NULL);
+ }
+
+ pthread_t t[2];
+ pthread_create(&t[0], NULL, ThreadWrite, NULL);
+ pthread_create(&t[1], NULL, ThreadClose, NULL);
+ pthread_join(t[0], NULL);
+ pthread_join(t[1], NULL);
+}
+
+// CHECK-NOT: CHECK failed
+// CHECK: WARNING: ThreadSanitizer: data race
+// CHECK: Write of size 8
+// CHECK: #0 close
+// CHECK: #1 ThreadClose
+// CHECK: Previous read of size 8
+// CHECK: #0 write
+// CHECK: #1 ThreadWrite