diff options
Diffstat (limited to 'kernel/tests/lib/tst_cmd.c')
| -rw-r--r-- | kernel/tests/lib/tst_cmd.c | 178 |
1 files changed, 0 insertions, 178 deletions
diff --git a/kernel/tests/lib/tst_cmd.c b/kernel/tests/lib/tst_cmd.c deleted file mode 100644 index 7446249..0000000 --- a/kernel/tests/lib/tst_cmd.c +++ /dev/null @@ -1,178 +0,0 @@ -/* - * Copyright (c) 2013 Oracle and/or its affiliates. All Rights Reserved. - * Copyright (c) 2020 Petr Vorel <pvorel@suse.cz> - * - * 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 would 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 the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * - * Author: Alexey Kodanev <alexey.kodanev@oracle.com> - */ - -#include <errno.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <sys/wait.h> -#include <fcntl.h> -#include <unistd.h> -#include <signal.h> -#include "test.h" -#include "tst_cmd.h" - -#define OPEN_MODE (S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH) -#define OPEN_FLAGS (O_WRONLY | O_APPEND | O_CREAT) - -int tst_cmd_fds_(void (cleanup_fn)(void), - const char *const argv[], - int stdout_fd, - int stderr_fd, - enum tst_cmd_flags flags) -{ - int rc; - - if (argv == NULL || argv[0] == NULL) { - tst_brkm(TBROK, cleanup_fn, - "argument list is empty at %s:%d", __FILE__, __LINE__); - return -1; - } - - /* - * The tst_sig() install poisoned signal handlers for all signals the - * test is not expected to get. - * - * So we temporarily disable the handler for sigchild we get after our - * child exits so that we don't have to disable it in each test that - * uses this interface. - */ - void *old_handler = signal(SIGCHLD, SIG_DFL); - - char path[PATH_MAX]; - - if (tst_get_path(argv[0], path, sizeof(path))) { - if (flags & TST_CMD_TCONF_ON_MISSING) - tst_brkm(TCONF, cleanup_fn, "Couldn't find '%s' in $PATH at %s:%d", argv[0], - __FILE__, __LINE__); - else - return 255; - } - - pid_t pid = vfork(); - if (pid == -1) { - tst_brkm(TBROK | TERRNO, cleanup_fn, "vfork failed at %s:%d", - __FILE__, __LINE__); - return -1; - } - if (!pid) { - /* redirecting stdout and stderr if needed */ - if (stdout_fd != -1) { - close(STDOUT_FILENO); - dup2(stdout_fd, STDOUT_FILENO); - } - - if (stderr_fd != -1) { - close(STDERR_FILENO); - dup2(stderr_fd, STDERR_FILENO); - } - - execvp(argv[0], (char *const *)argv); - _exit(254); - } - - int ret = -1; - if (waitpid(pid, &ret, 0) != pid) { - tst_brkm(TBROK | TERRNO, cleanup_fn, "waitpid failed at %s:%d", - __FILE__, __LINE__); - return -1; - } - - signal(SIGCHLD, old_handler); - - if (!WIFEXITED(ret)) { - tst_brkm(TBROK, cleanup_fn, "failed to exec cmd '%s' at %s:%d", - argv[0], __FILE__, __LINE__); - return -1; - } - - rc = WEXITSTATUS(ret); - - if (!(flags & TST_CMD_PASS_RETVAL) && rc) { - tst_brkm(TBROK, cleanup_fn, - "'%s' exited with a non-zero code %d at %s:%d", - argv[0], rc, __FILE__, __LINE__); - return -1; - } - - return rc; -} - -int tst_cmd_(void (cleanup_fn)(void), - const char *const argv[], - const char *stdout_path, - const char *stderr_path, - enum tst_cmd_flags flags) -{ - int stdout_fd = -1; - int stderr_fd = -1; - int rc; - - if (stdout_path != NULL) { - stdout_fd = open(stdout_path, - OPEN_FLAGS, OPEN_MODE); - - if (stdout_fd == -1) - tst_resm(TWARN | TERRNO, - "open() on %s failed at %s:%d", - stdout_path, __FILE__, __LINE__); - } - - if (stderr_path != NULL) { - stderr_fd = open(stderr_path, - OPEN_FLAGS, OPEN_MODE); - - if (stderr_fd == -1) - tst_resm(TWARN | TERRNO, - "open() on %s failed at %s:%d", - stderr_path, __FILE__, __LINE__); - } - - rc = tst_cmd_fds(cleanup_fn, argv, stdout_fd, stderr_fd, flags); - - if ((stdout_fd != -1) && (close(stdout_fd) == -1)) - tst_resm(TWARN | TERRNO, - "close() on %s failed at %s:%d", - stdout_path, __FILE__, __LINE__); - - if ((stderr_fd != -1) && (close(stderr_fd) == -1)) - tst_resm(TWARN | TERRNO, - "close() on %s failed at %s:%d", - stderr_path, __FILE__, __LINE__); - - return rc; -} - -int tst_system(const char *command) -{ - int ret = 0; - - /* - *Temporarily disable SIGCHLD of user defined handler, so the - *system(3) function will not cause unexpected SIGCHLD signal - *callback function for test cases. - */ - void *old_handler = signal(SIGCHLD, SIG_DFL); - - ret = system(command); - - signal(SIGCHLD, old_handler); - return ret; -} |