1 files changed, 58 insertions, 0 deletions
diff --git a/packages/Python/lldbsuite/test/functionalities/tsan/thread_numbers/main.c b/packages/Python/lldbsuite/test/functionalities/tsan/thread_numbers/main.c
new file mode 100644
index 000000000000..04ebb723c3b7
--- /dev/null
+++ b/packages/Python/lldbsuite/test/functionalities/tsan/thread_numbers/main.c
@@ -0,0 +1,58 @@
+//===-- main.c --------------------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+char *pointer;
+
+void *nothing(void *p) {
+    return NULL;
+}
+
+void *f1(void *p) {
+    pointer[0] = 'x';
+    sleep(100);
+    return NULL;
+}
+
+void *f2(void *p) {
+    pointer[0] = 'y';
+    sleep(100);
+    return NULL;
+}
+
+int main (int argc, char const *argv[])
+{
+    pointer = (char *)malloc(10);
+
+    for (int i = 0; i < 3; i++) {
+        pthread_t t;
+        pthread_create(&t, NULL, nothing, NULL);
+        pthread_join(t, NULL);
+    }
+
+    pthread_t t1;
+    pthread_create(&t1, NULL, f1, NULL);
+
+    for (int i = 0; i < 3; i++) {
+        pthread_t t;
+        pthread_create(&t, NULL, nothing, NULL);
+        pthread_join(t, NULL);
+    }
+
+    pthread_t t2;
+    pthread_create(&t2, NULL, f2, NULL);
+
+    pthread_join(t1, NULL);
+    pthread_join(t2, NULL);
+
+    return 0;
+}