1 files changed, 68 insertions, 0 deletions
diff --git a/test/core/gpr/tls_test.cc b/test/core/gpr/tls_test.cc
new file mode 100644
index 0000000000..743b10f090
--- /dev/null
+++ b/test/core/gpr/tls_test.cc
@@ -0,0 +1,68 @@
+/*
+ *
+ * Copyright 2015 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+/* Test of gpr thread local storage support. */
+
+#include <grpc/support/log.h>
+#include <grpc/support/sync.h>
+#include <grpc/support/thd.h>
+#include <grpc/support/tls.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include "test/core/util/test_config.h"
+
+#define NUM_THREADS 100
+
+GPR_TLS_DECL(test_var);
+
+static void thd_body(void* arg) {
+  intptr_t i;
+
+  GPR_ASSERT(gpr_tls_get(&test_var) == 0);
+
+  for (i = 0; i < 100000; i++) {
+    gpr_tls_set(&test_var, i);
+    GPR_ASSERT(gpr_tls_get(&test_var) == i);
+  }
+  gpr_tls_set(&test_var, 0);
+}
+
+/* ------------------------------------------------- */
+
+int main(int argc, char* argv[]) {
+  gpr_thd_options opt = gpr_thd_options_default();
+  int i;
+  gpr_thd_id threads[NUM_THREADS];
+
+  grpc_test_init(argc, argv);
+
+  gpr_tls_init(&test_var);
+
+  gpr_thd_options_set_joinable(&opt);
+
+  for (i = 0; i < NUM_THREADS; i++) {
+    gpr_thd_new(&threads[i], "grpc_tls_test", thd_body, nullptr, &opt);
+  }
+  for (i = 0; i < NUM_THREADS; i++) {
+    gpr_thd_join(threads[i]);
+  }
+
+  gpr_tls_destroy(&test_var);
+
+  return 0;
+}