X-Git-Url: https://git.lttng.org/?p=urcu.git;a=blobdiff_plain;f=test_urcu.c;h=72cceebdd331473d35e516721a9640cf2a3a737f;hp=3a28474561977675c6932663055c3cb8d2e2fc19;hb=af02d47e5d0712e5ccde6d8f1ee89f18de798cad;hpb=1eec319e7724ac54bb3174f367ca9391840fcdc1 diff --git a/test_urcu.c b/test_urcu.c index 3a28474..72cceeb 100644 --- a/test_urcu.c +++ b/test_urcu.c @@ -5,7 +5,19 @@ * * Copyright February 2009 - Mathieu Desnoyers * - * Distributed under GPLv2 + * 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 @@ -34,6 +46,11 @@ static inline pid_t gettid(void) } #endif +#ifndef DYNAMIC_LINK_TEST +#define _LGPL_SOURCE +#else +#define debug_yield_read() +#endif #include "urcu.h" struct test_array { @@ -47,14 +64,25 @@ static struct test_array *test_rcu_pointer; static unsigned long duration; static time_t start_time; static unsigned long __thread duration_interval; -#define DURATION_TEST_DELAY 100 +#define DURATION_TEST_DELAY_WRITE 4 +#define DURATION_TEST_DELAY_READ 100 /* * returns 0 if test should end. */ -static int test_duration(void) +static int test_duration_write(void) +{ + if (duration_interval++ >= DURATION_TEST_DELAY_WRITE) { + duration_interval = 0; + if (time(NULL) - start_time >= duration) + return 0; + } + return 1; +} + +static int test_duration_read(void) { - if (duration_interval++ >= DURATION_TEST_DELAY) { + if (duration_interval++ >= DURATION_TEST_DELAY_READ) { duration_interval = 0; if (time(NULL) - start_time >= duration) return 0; @@ -135,7 +163,7 @@ void *thr_reader(void *_count) printf("thread_begin %s, thread id : %lx, tid %lu\n", "reader", pthread_self(), (unsigned long)gettid()); - urcu_register_thread(); + rcu_register_thread(); for (;;) { rcu_read_lock(); @@ -145,11 +173,11 @@ void *thr_reader(void *_count) assert(local_ptr->a == 8); rcu_read_unlock(); nr_reads++; - if (!test_duration()) + if (!test_duration_read()) break; } - urcu_unregister_thread(); + rcu_unregister_thread(); *count = nr_reads; printf("thread_end %s, thread id : %lx, tid %lu\n", @@ -173,14 +201,14 @@ void *thr_writer(void *_count) if (old) assert(old->a == 8); new->a = 8; - old = urcu_publish_content(&test_rcu_pointer, new); + old = rcu_publish_content(&test_rcu_pointer, new); rcu_copy_mutex_unlock(); /* can be done after unlock */ if (old) old->a = 0; test_array_free(old); nr_writes++; - if (!test_duration()) + if (!test_duration_write()) break; if (!no_writer_delay) usleep(1); @@ -270,6 +298,7 @@ int main(int argc, char **argv) exit(1); tot_writes += count_writer[i]; } + printf("total number of reads : %llu, writes %llu\n", tot_reads, tot_writes); test_array_free(test_rcu_pointer);