| /* |
| * Copyright © 2019 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 <errno.h> |
| #include <stdint.h> |
| #include <stdlib.h> |
| #include <unistd.h> |
| #include <sys/types.h> |
| #include <sys/wait.h> |
| |
| #include "igt_core.h" |
| #include "drmtest.h" |
| |
| #include "igt_tests_common.h" |
| |
| char test[] = "test"; |
| char *argv_run[] = { test }; |
| |
| static void igt_fork_vs_skip(void) |
| { |
| igt_fork(i, 1) { |
| igt_skip("skipping"); |
| } |
| |
| igt_waitchildren(); |
| } |
| |
| static void igt_fork_vs_assert(void) |
| { |
| igt_fork(i, 1) { |
| igt_assert(0); |
| } |
| |
| igt_waitchildren(); |
| } |
| |
| static void igt_fork_leak(void) |
| { |
| igt_fork(i, 1) { |
| sleep(10); |
| } |
| } |
| |
| static void plain_fork_leak(void) |
| { |
| int pid; |
| |
| switch (pid = fork()) { |
| case -1: |
| internal_assert(0); |
| case 0: |
| sleep(1); |
| default: |
| exit(0); |
| } |
| } |
| |
| static void igt_fork_timeout_leak(void) |
| { |
| igt_fork(i, 1) { |
| sleep(10); |
| } |
| |
| igt_waitchildren_timeout(1, "library test"); |
| } |
| |
| static int do_fork(void (*test_to_run)(void)) |
| { |
| int pid, status; |
| int argc; |
| |
| switch (pid = fork()) { |
| case -1: |
| internal_assert(0); |
| case 0: |
| argc = ARRAY_SIZE(argv_run); |
| igt_simple_init(argc, argv_run); |
| test_to_run(); |
| igt_exit(); |
| default: |
| while (waitpid(pid, &status, 0) == -1 && |
| errno == EINTR) |
| ; |
| |
| return status; |
| } |
| } |
| |
| |
| int main(int argc, char **argv) |
| { |
| int ret; |
| |
| /* check that igt_assert is forwarded */ |
| ret = do_fork(igt_fork_vs_assert); |
| internal_assert_wexited(ret, IGT_EXIT_FAILURE); |
| |
| /* check that igt_skip within a fork blows up */ |
| ret = do_fork(igt_fork_vs_skip); |
| internal_assert_wexited(ret, SIGABRT + 128); |
| |
| /* check that failure to clean up fails */ |
| ret = do_fork(igt_fork_leak); |
| internal_assert_wsignaled(ret, SIGABRT); |
| |
| /* check that igt_waitchildren_timeout cleans up*/ |
| ret = do_fork(igt_fork_timeout_leak); |
| internal_assert_wexited(ret, SIGKILL + 128); |
| |
| /* check that any other process leaks are caught*/ |
| ret = do_fork(plain_fork_leak); |
| internal_assert_wsignaled(ret, SIGABRT); |
| } |