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/*
* sync test runner
* Copyright 2015-2016 Collabora Ltd.
*
* Based on the implementation from the Android Open Source Project,
*
* Copyright 2012 Google, Inc
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <errno.h>
#include <string.h>
#include "../kselftest.h"
#include "synctest.h"
static int run_test(int (*test)(void), char *name)
{
int result;
pid_t childpid;
int ret;
fflush(stdout);
childpid = fork();
if (childpid) {
waitpid(childpid, &result, 0);
if (WIFEXITED(result)) {
ret = WEXITSTATUS(result);
if (!ret)
ksft_test_result_pass("[RUN]\t%s\n", name);
else
ksft_test_result_fail("[RUN]\t%s\n", name);
return ret;
}
return 1;
}
exit(test());
}
static void sync_api_supported(void)
{
struct stat sbuf;
int ret;
ret = stat("/sys/kernel/debug/sync/sw_sync", &sbuf);
if (!ret)
return;
if (errno == ENOENT)
ksft_exit_skip("Sync framework not supported by kernel\n");
if (errno == EACCES)
ksft_exit_skip("Run Sync test as root.\n");
ksft_exit_fail_msg("stat failed on /sys/kernel/debug/sync/sw_sync: %s",
strerror(errno));
}
int main(void)
{
int err;
ksft_print_header();
sync_api_supported();
ksft_print_msg("[RUN]\tTesting sync framework\n");
RUN_TEST(test_alloc_timeline);
RUN_TEST(test_alloc_fence);
RUN_TEST(test_alloc_fence_negative);
RUN_TEST(test_fence_one_timeline_wait);
RUN_TEST(test_fence_one_timeline_merge);
RUN_TEST(test_fence_merge_same_fence);
RUN_TEST(test_fence_multi_timeline_wait);
RUN_TEST(test_stress_two_threads_shared_timeline);
RUN_TEST(test_consumer_stress_multi_producer_single_consumer);
RUN_TEST(test_merge_stress_random_merge);
err = ksft_get_fail_cnt();
if (err)
ksft_exit_fail_msg("%d out of %d sync tests failed\n",
err, ksft_test_num());
/* need this return to keep gcc happy */
return ksft_exit_pass();
}
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