| /* |
| * |
| * Copyright 2015, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| |
| /* 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], thd_body, NULL, &opt); |
| } |
| for (i = 0; i < NUM_THREADS; i++) { |
| gpr_thd_join(threads[i]); |
| } |
| |
| gpr_tls_destroy(&test_var); |
| |
| return 0; |
| } |