--- /dev/null
+/*
+ *
+ * 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.
+ *
+ */
+
+#include <grpc/support/port_platform.h>
+
+#ifdef GPR_PTHREAD_TLS
+
+#include "src/core/lib/gpr/tls.h"
+
+intptr_t gpr_tls_set(struct gpr_pthread_thread_local* tls, intptr_t value) {
+ GPR_ASSERT(0 == pthread_setspecific(tls->key, (void*)value));
+ return value;
+}
+
+#endif /* GPR_PTHREAD_TLS */