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-rw-r--r--test/tsan/setuid.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/test/tsan/setuid.c b/test/tsan/setuid.c
new file mode 100644
index 000000000000..bc9c8ca3abaa
--- /dev/null
+++ b/test/tsan/setuid.c
@@ -0,0 +1,26 @@
+// RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
+#include "test.h"
+#include <sys/types.h>
+#include <unistd.h>
+
+// Setuid call used to hang because the background tsan thread did not handle
+// SIGSETXID signal. Note that we don't care whether setuid call succeeds
+// or not.
+
+static void *thread(void *arg) {
+ (void)arg;
+ sleep(1);
+ return 0;
+}
+
+int main() {
+ // Create another thread just for completeness of the picture.
+ pthread_t th;
+ pthread_create(&th, 0, thread, 0);
+ setuid(0);
+ pthread_join(th, 0);
+ fprintf(stderr, "DONE\n");
+ return 0;
+}
+
+// CHECK: DONE