On 06/27/2013 10:52 PM, Alexey Kodanev wrote: > 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__); > + } > +} > LGTM
Reviewed-by: Caspar Zhang <[email protected]> ------------------------------------------------------------------------------ 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
