X-Git-Url: http://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=tests%2Fbenchmark%2Ftest_mutex.c;h=19eb7c4f929b8cb84d5cea95040f4669a7bcd81f;hp=8da8b0428d8d8ec7b0e6899be26702f8d7d857c8;hb=HEAD;hpb=61c3fb603104bda9e67c0690c1964e61a770d045 diff --git a/tests/benchmark/test_mutex.c b/tests/benchmark/test_mutex.c index 8da8b04..6254e15 100644 --- a/tests/benchmark/test_mutex.c +++ b/tests/benchmark/test_mutex.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" @@ -49,8 +35,6 @@ struct test_array { static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER; -static volatile int test_go, test_stop; - static unsigned long wdelay; static volatile struct test_array test_array = { 8 }; @@ -85,7 +69,7 @@ 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 */ @@ -93,7 +77,7 @@ 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) { perror("Error in pthread mutex lock"); @@ -111,19 +95,6 @@ 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); @@ -147,16 +118,14 @@ void *thr_reader(void *data) set_affinity(); - while (!test_go) - { - } + wait_until_go(); for (;;) { int v; pthread_mutex_lock(&lock); v = test_array.a; - assert(v == 8); + urcu_posix_assert(v == 8); if (caa_unlikely(rduration)) loop_sleep(rduration); pthread_mutex_unlock(&lock); @@ -182,10 +151,7 @@ void *thr_writer(void *data) set_affinity(); - while (!test_go) - { - } - cmm_smp_mb(); + wait_until_go(); for (;;) { pthread_mutex_lock(&lock); @@ -208,7 +174,7 @@ void *thr_writer(void *data) } static -void show_usage(int argc, char **argv) +void show_usage(char **argv) { printf("Usage : %s nr_readers nr_writers duration (s) \n", argv[0]); @@ -232,26 +198,26 @@ int main(int argc, char **argv) unsigned int i_thr; if (argc < 4) { - show_usage(argc, argv); + show_usage(argv); return -1; } cmm_smp_mb(); err = sscanf(argv[1], "%u", &nr_readers); if (err != 1) { - show_usage(argc, argv); + show_usage(argv); return -1; } err = sscanf(argv[2], "%u", &nr_writers); if (err != 1) { - show_usage(argc, argv); + show_usage(argv); return -1; } err = sscanf(argv[3], "%lu", &duration); if (err != 1) { - show_usage(argc, argv); + show_usage(argv); return -1; } @@ -261,7 +227,7 @@ int main(int argc, char **argv) switch (argv[i][1]) { case 'a': if (argc < i + 2) { - show_usage(argc, argv); + show_usage(argv); return -1; } a = atoi(argv[++i]); @@ -271,21 +237,21 @@ int main(int argc, char **argv) break; case 'c': if (argc < i + 2) { - show_usage(argc, argv); + show_usage(argv); return -1; } rduration = atol(argv[++i]); break; case 'd': if (argc < i + 2) { - show_usage(argc, argv); + show_usage(argv); return -1; } wdelay = atol(argv[++i]); break; case 'e': if (argc < i + 2) { - show_usage(argc, argv); + show_usage(argv); return -1; } wduration = atol(argv[++i]); @@ -325,13 +291,7 @@ 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);