diff --git a/lib/igt_core.c b/lib/igt_core.c index c95295c74bf6a701ac45c23a7742be5e7ea62d40..ccf06cf44b4cb755b3a7e4078aab98c6e4ffa63e 100644 --- a/lib/igt_core.c +++ b/lib/igt_core.c @@ -1272,6 +1272,7 @@ bool __igt_run_subtest(const char *subtest_name, const char *file, const int lin fprintf(stderr, "Starting subtest: %s\n", subtest_name); _igt_log_buffer_reset(); + igt_thread_clear_fail_state(); igt_gettime(&subtest_time); return (in_subtest = subtest_name); @@ -1302,6 +1303,7 @@ bool __igt_run_dynamic_subtest(const char *dynamic_subtest_name) fprintf(stderr, "Starting dynamic subtest: %s\n", dynamic_subtest_name); _igt_log_buffer_reset(); + igt_thread_clear_fail_state(); _igt_dynamic_tests_executed++; @@ -1510,6 +1512,8 @@ void __igt_skip_check(const char *file, const int line, */ void igt_success(void) { + igt_thread_assert_no_failures(); + if (in_subtest && !in_dynamic_subtest && _igt_dynamic_tests_executed >= 0) { /* * We're exiting a dynamic container, yield a result @@ -1549,6 +1553,11 @@ void igt_fail(int exitcode) { assert(exitcode != IGT_EXIT_SUCCESS && exitcode != IGT_EXIT_SKIP); + if (!igt_thread_is_main()) { + igt_thread_fail(); + pthread_exit(NULL); + } + igt_debug_wait_for_keypress("failure"); /* Exit immediately if the test is already exiting and igt_fail is @@ -2049,6 +2058,9 @@ void igt_exit(void) { int tmp; + if (!test_with_subtests) + igt_thread_assert_no_failures(); + igt_exit_called = true; if (igt_key_file) diff --git a/lib/igt_thread.c b/lib/igt_thread.c index deab62257c3b3861aec2b7468ebd5fbdb8f8afc2..5bdda4102def5871b7361fbfba8a7f48f8f39a65 100644 --- a/lib/igt_thread.c +++ b/lib/igt_thread.c @@ -22,12 +22,42 @@ */ #include <pthread.h> +#include <stdlib.h> +#include <stdatomic.h> #include "igt_core.h" #include "igt_thread.h" static pthread_key_t __igt_is_main_thread; +static _Atomic(bool) __thread_failed = false; + +void igt_thread_clear_fail_state(void) +{ + assert(igt_thread_is_main()); + + __thread_failed = false; +} + +void igt_thread_fail(void) +{ + assert(!igt_thread_is_main()); + + __thread_failed = true; +} + +void igt_thread_assert_no_failures(void) +{ + assert(igt_thread_is_main()); + + if (__thread_failed) { + /* so we won't get stuck in a loop */ + igt_thread_clear_fail_state(); + igt_critical("Failure in a thread!\n"); + igt_fail(IGT_EXIT_FAILURE); + } +} + bool igt_thread_is_main(void) { return pthread_getspecific(__igt_is_main_thread) != NULL; diff --git a/lib/igt_thread.h b/lib/igt_thread.h index b16f803f001c4d1fbb6e9c9e3b65d92c46139811..4b9c222d12a5af2f26267ca2805f3c19419e8b7e 100644 --- a/lib/igt_thread.h +++ b/lib/igt_thread.h @@ -21,4 +21,8 @@ * IN THE SOFTWARE. */ +void igt_thread_clear_fail_state(void); +void igt_thread_fail(void); +void igt_thread_assert_no_failures(void); + bool igt_thread_is_main(void); diff --git a/lib/tests/igt_tests_common.h b/lib/tests/igt_tests_common.h index fa8ad9201bfa0b400b609d92e7a8736439588719..058f6265c425714e02e5b4c3b2dbe3f9863e90a3 100644 --- a/lib/tests/igt_tests_common.h +++ b/lib/tests/igt_tests_common.h @@ -30,6 +30,7 @@ #include <errno.h> #include <sys/stat.h> #include <fcntl.h> +#include <regex.h> /* * We need to hide assert from the cocci igt test refactor spatch. @@ -161,4 +162,25 @@ static inline void read_whole_pipe(int fd, char *buf, size_t buflen) offset += readlen; } } + +static inline bool matches(char *str, const char *regex) +{ + int ret; + regex_t reg; + + ret = regcomp(®, regex, REG_EXTENDED | REG_NEWLINE); + + if (ret == 0) + ret = regexec(®, str, 0, NULL, 0); + + if (0 != ret && REG_NOMATCH != ret) { + char err[256]; + regerror(ret, ®, err, sizeof(err)); + printf("%s\n", err); + abort(); + } + + regfree(®); + return !ret; +} #endif diff --git a/lib/tests/igt_thread.c b/lib/tests/igt_thread.c new file mode 100644 index 0000000000000000000000000000000000000000..7185dd5d1bc47346a8be25c43fe354d53ba1e4b6 --- /dev/null +++ b/lib/tests/igt_thread.c @@ -0,0 +1,194 @@ +/* + * Copyright © 2020 Intel Corporation + * + * 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 (including the next + * paragraph) 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 <pthread.h> + +#include "drmtest.h" +#include "igt_core.h" +#include "igt_tests_common.h" + +char prog[] = "igt_thread"; +char *fake_argv[] = { prog }; +int fake_argc = ARRAY_SIZE(fake_argv); + +static void *success_thread(void *data) +{ + return NULL; +} + +static void *failure_thread(void *data) +{ + igt_assert(false); + return NULL; +} + +static void one_subtest_fail(void) { + igt_subtest_init(fake_argc, fake_argv); + + igt_subtest("subtest-a") { + pthread_t thread; + pthread_create(&thread, 0, failure_thread, NULL); + pthread_join(thread, NULL); + } + + igt_subtest("subtest-b") { + pthread_t thread; + pthread_create(&thread, 0, success_thread, NULL); + pthread_join(thread, NULL); + } + + igt_exit(); +} + +static void one_dynamic_fail(void) { + igt_subtest_init(fake_argc, fake_argv); + + igt_subtest_with_dynamic("dynamic-container") { + igt_dynamic("dynamic-a") { + pthread_t thread; + pthread_create(&thread, 0, failure_thread, NULL); + pthread_join(thread, NULL); + } + + igt_dynamic("dynamic-b") { + pthread_t thread; + pthread_create(&thread, 0, success_thread, NULL); + pthread_join(thread, NULL); + } + } + + igt_exit(); +} + +static void simple_success(void) { + pthread_t thread; + + igt_simple_init(fake_argc, fake_argv); + + pthread_create(&thread, 0, success_thread, NULL); + pthread_join(thread, NULL); + + igt_exit(); +} + +static void simple_failure(void) { + pthread_t thread; + + igt_simple_init(fake_argc, fake_argv); + + pthread_create(&thread, 0, failure_thread, NULL); + pthread_join(thread, NULL); + + igt_exit(); +} + +int main(int argc, char **argv) +{ + int status; + int outfd; + pid_t pid; + + /* failing should be limited just to a single subtest */ { + static char out[4096]; + + pid = do_fork_bg_with_pipes(one_subtest_fail, &outfd, NULL); + + read_whole_pipe(outfd, out, sizeof(out)); + + internal_assert(safe_wait(pid, &status) != -1); + internal_assert_wexited(status, IGT_EXIT_FAILURE); + + internal_assert(matches(out, "\\[thread:.*\\] Stack trace")); + internal_assert(strstr(out, "Subtest subtest-a: FAIL")); + internal_assert(strstr(out, "Subtest subtest-b: SUCCESS")); + + close(outfd); + } + + /* failing should be limited just to a dynamic subsubtest */ { + static char out[4096]; + + pid = do_fork_bg_with_pipes(one_dynamic_fail, &outfd, NULL); + + read_whole_pipe(outfd, out, sizeof(out)); + + internal_assert(safe_wait(pid, &status) != -1); + internal_assert_wexited(status, IGT_EXIT_FAILURE); + + internal_assert(matches(out, "\\[thread:.*\\] Stack trace")); + internal_assert(strstr(out, "Dynamic subtest dynamic-a: FAIL")); + internal_assert(strstr(out, "Dynamic subtest dynamic-b: SUCCESS")); + + close(outfd); + } + + /* success in a simple test */ { + static char out[4096]; + + pid = do_fork_bg_with_pipes(simple_success, &outfd, NULL); + + read_whole_pipe(outfd, out, sizeof(out)); + + internal_assert(safe_wait(pid, &status) != -1); + internal_assert_wexited(status, IGT_EXIT_SUCCESS); + + + internal_assert(matches(out, "^SUCCESS")); + + close(outfd); + } + + /* success in a simple test */ { + static char out[4096]; + + pid = do_fork_bg_with_pipes(simple_success, &outfd, NULL); + + read_whole_pipe(outfd, out, sizeof(out)); + + internal_assert(safe_wait(pid, &status) != -1); + internal_assert_wexited(status, IGT_EXIT_SUCCESS); + + internal_assert(matches(out, "^SUCCESS")); + + close(outfd); + } + + /* failure in a simple test */ { + static char out[4096]; + + pid = do_fork_bg_with_pipes(simple_failure, &outfd, NULL); + + read_whole_pipe(outfd, out, sizeof(out)); + + internal_assert(safe_wait(pid, &status) != -1); + internal_assert_wexited(status, IGT_EXIT_FAILURE); + + internal_assert(matches(out, "\\[thread:.*\\] Stack trace")); + internal_assert(matches(out, "^FAIL")); + + close(outfd); + } + + return 0; +} diff --git a/lib/tests/meson.build b/lib/tests/meson.build index 47ef303af0110e0e819501eba398d6161cab50d2..9cf5ff47974dc6cc482d7e5bd1e4e6e892d95014 100644 --- a/lib/tests/meson.build +++ b/lib/tests/meson.build @@ -18,6 +18,7 @@ lib_tests = [ 'igt_simulation', 'igt_stats', 'igt_subtest_group', + 'igt_thread', 'i915_perf_data_alignment', ]