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Diffstat (limited to 'test/core/support/thd_test.c')
-rw-r--r-- | test/core/support/thd_test.c | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/test/core/support/thd_test.c b/test/core/support/thd_test.c new file mode 100644 index 0000000000..c70e025326 --- /dev/null +++ b/test/core/support/thd_test.c @@ -0,0 +1,90 @@ +/* + * + * Copyright 2014, 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 support. */ + +#include <stdio.h> +#include <stdlib.h> +#include <grpc/support/log.h> +#include <grpc/support/sync.h> +#include <grpc/support/thd.h> +#include <grpc/support/time.h> +#include "test/core/util/test_config.h" + +struct test { + gpr_mu mu; + int n; + int is_done; + gpr_cv done_cv; +}; + +/* A Thread body. Decrement t->n, and if is becomes zero, set t->done. */ +static void thd_body(void *v) { + struct test *t = v; + gpr_mu_lock(&t->mu); + t->n--; + if (t->n == 0) { + t->is_done = 1; + gpr_cv_signal(&t->done_cv); + } + gpr_mu_unlock(&t->mu); +} + +/* Test that we can create a number of threads and wait for them. */ +static void test(void) { + int i; + gpr_thd_id thd; + struct test t; + int n = 1000; + gpr_mu_init(&t.mu); + gpr_cv_init(&t.done_cv); + t.n = n; + t.is_done = 0; + for (i = 0; i != n; i++) { + GPR_ASSERT(gpr_thd_new(&thd, &thd_body, &t, NULL)); + } + gpr_mu_lock(&t.mu); + while (!t.is_done) { + gpr_cv_wait(&t.done_cv, &t.mu, gpr_inf_future); + } + gpr_mu_unlock(&t.mu); + GPR_ASSERT(t.n == 0); +} + +/* ------------------------------------------------- */ + +int main(int argc, char *argv[]) { + grpc_test_init(argc, argv); + test(); + return 0; +} |