| /* |
| * |
| * 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; |
| } |