X-Git-Url: https://git.lttng.org/?p=urcu.git;a=blobdiff_plain;f=tests%2Fbenchmark%2Ftest_perthreadlock.c;h=47a512cba06b12d8672247710db5feabdd2e3c45;hp=7a0b79a81874c3ce6f9ad2aca8bd0f6eef2c61b3;hb=HEAD;hpb=70469b43316ecc8d6053550504858ad8a8ef9b16 diff --git a/tests/benchmark/test_perthreadlock.c b/tests/benchmark/test_perthreadlock.c index 7a0b79a..2cc50d1 100644 --- a/tests/benchmark/test_perthreadlock.c +++ b/tests/benchmark/test_perthreadlock.c @@ -1,23 +1,9 @@ +// SPDX-FileCopyrightText: 2009 Mathieu Desnoyers +// +// SPDX-License-Identifier: GPL-2.0-or-later + /* - * test_urcu.c - * * Userspace RCU library - test program - * - * Copyright February 2009 - Mathieu Desnoyers - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #include @@ -28,10 +14,10 @@ #include #include #include -#include #include #include +#include #include #include "thread-id.h" @@ -53,8 +39,6 @@ struct per_thread_lock { static struct per_thread_lock *per_thread_lock; -static volatile int test_go, test_stop; - static unsigned long wdelay; static volatile struct test_array test_array = { 8 }; @@ -89,7 +73,7 @@ pthread_mutex_t affinity_mutex = PTHREAD_MUTEX_INITIALIZER; static void set_affinity(void) { -#if HAVE_SCHED_SETAFFINITY +#ifdef HAVE_SCHED_SETAFFINITY cpu_set_t mask; int cpu, ret; #endif /* HAVE_SCHED_SETAFFINITY */ @@ -97,7 +81,7 @@ static void set_affinity(void) if (!use_affinity) return; -#if HAVE_SCHED_SETAFFINITY +#ifdef HAVE_SCHED_SETAFFINITY ret = pthread_mutex_lock(&affinity_mutex); if (ret) { errno = ret; @@ -117,19 +101,6 @@ static void set_affinity(void) #endif /* HAVE_SCHED_SETAFFINITY */ } -/* - * returns 0 if test should end. - */ -static int test_duration_write(void) -{ - return !test_stop; -} - -static int test_duration_read(void) -{ - return !test_stop; -} - static DEFINE_URCU_TLS(unsigned long long, nr_writes); static DEFINE_URCU_TLS(unsigned long long, nr_reads); @@ -175,16 +146,14 @@ void *thr_reader(void *data) set_affinity(); - while (!test_go) - { - } + wait_until_go(); for (;;) { int v; urcu_mutex_lock(&per_thread_lock[tidx].lock); v = test_array.a; - assert(v == 8); + urcu_posix_assert(v == 8); if (caa_unlikely(rduration)) loop_sleep(rduration); urcu_mutex_unlock(&per_thread_lock[tidx].lock); @@ -211,10 +180,7 @@ void *thr_writer(void *data) set_affinity(); - while (!test_go) - { - } - cmm_smp_mb(); + wait_until_go(); for (;;) { for (tidx = 0; tidx < (long)nr_readers; tidx++) { @@ -359,13 +325,7 @@ int main(int argc, char **argv) exit(1); } - cmm_smp_mb(); - - test_go = 1; - - sleep(duration); - - test_stop = 1; + test_for(duration); for (i_thr = 0; i_thr < nr_readers; i_thr++) { err = pthread_join(tid_reader[i_thr], &tret);