vfork() + execvp() specified program. Signed-off-by: Alexey Kodanev <[email protected]> --- include/test.h | 9 +++++++++ lib/tst_run_cmd.c | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 61 insertions(+), 0 deletions(-) create mode 100644 lib/tst_run_cmd.c
diff --git a/include/test.h b/include/test.h index e68ae60..ee3efc3 100644 --- a/include/test.h +++ b/include/test.h @@ -206,6 +206,15 @@ int tst_get_path(const char *prog_name, char *buf, size_t buf_len); long tst_ncpus(void); long tst_ncpus_max(void); +/* lib/tst_run_cmd.c + * + * vfork() + execvp() specified program. + * @argv: a list of two (at least program name + NULL) or more pointers that + * represent the argument list to the new program. The array of pointers + * must be terminated by a NULL pointer. + */ +void tst_run_cmd(void (cleanup_fn)(void), char *const argv[]); + #ifdef TST_USE_COMPAT16_SYSCALL #define TCID_BIT_SUFFIX "_16" #elif TST_USE_NEWER64_SYSCALL diff --git a/lib/tst_run_cmd.c b/lib/tst_run_cmd.c new file mode 100644 index 0000000..93fe2d6 --- /dev/null +++ b/lib/tst_run_cmd.c @@ -0,0 +1,52 @@ +/* + * Copyright (c) 2013 Oracle and/or its affiliates. All Rights Reserved. + * + * 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 <[email protected]> + * + */ + +#include <sys/types.h> +#include <sys/wait.h> +#include <unistd.h> +#include "test.h" + +void tst_run_cmd(void (cleanup_fn)(void), char *const argv[]) +{ + if (argv == NULL || argv[0] == NULL) { + tst_brkm(TBROK, cleanup_fn, + "argument list is empty at %s:%d", __FILE__, __LINE__); + } + + pid_t pid = vfork(); + if (pid == -1) { + tst_brkm(TBROK | TERRNO, cleanup_fn, "vfork failed at %s:%d", + __FILE__, __LINE__); + } + if (!pid) + _exit(execvp(argv[0], argv)); + + int ret = -1; + if (waitpid(pid, &ret, 0) != pid) { + tst_brkm(TBROK, cleanup_fn, "waitpid failed at %s:%d", + __FILE__, __LINE__); + } + + if (!WIFEXITED(ret) || WEXITSTATUS(ret) != 0) { + tst_brkm(TBROK, cleanup_fn, "failed to exec cmd '%s' at %s:%d", + argv[0], __FILE__, __LINE__); + } +} -- 1.7.1 ------------------------------------------------------------------------------ This SF.net email is sponsored by Windows: Build for Windows Store. http://p.sf.net/sfu/windows-dev2dev _______________________________________________ Ltp-list mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/ltp-list
