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author | Nikola Pajkovsky <npajkovs@redhat.com> | 2010-09-27 10:38:03 +0200 |
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committer | Nikola Pajkovsky <npajkovs@redhat.com> | 2010-09-27 10:38:03 +0200 |
commit | 3015af41b6b6b346cc579079eaf2841088bca757 (patch) | |
tree | 4987603e1a8f149a2cca16a92149c268e8e0affd /src/cli/run-command.c | |
parent | eb57a01fa6a59061212e6afd565abf4207a8703d (diff) | |
download | abrt-3015af41b6b6b346cc579079eaf2841088bca757.tar.gz abrt-3015af41b6b6b346cc579079eaf2841088bca757.tar.xz abrt-3015af41b6b6b346cc579079eaf2841088bca757.zip |
run-command.cpp: rename to run-command.c
Signed-off-by: Nikola Pajkovsky <npajkovs@redhat.com>
Diffstat (limited to 'src/cli/run-command.c')
-rw-r--r-- | src/cli/run-command.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/src/cli/run-command.c b/src/cli/run-command.c new file mode 100644 index 00000000..1f6836d6 --- /dev/null +++ b/src/cli/run-command.c @@ -0,0 +1,73 @@ +/* + Copyright (C) 2009 RedHat inc. + + 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 will 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 to the Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ +#include "run-command.h" +#include "abrtlib.h" + +/* + Inspired by git code. + http://git.kernel.org/?p=git/git.git;a=blob;f=run-command.c;hb=HEAD +*/ + +static pid_t start_command(char **argv) +{ + pid_t pid = vfork(); + if (pid < 0) + { + perror_msg_and_die("vfork"); + } + if (pid == 0) + { // new process + execvp(argv[0], argv); + exit(127); + } + return pid; +} + +static int finish_command(pid_t pid, char **argv) +{ + pid_t waiting; + int status; + while ((waiting = waitpid(pid, &status, 0)) < 0 && errno == EINTR) + continue; + if (waiting < 0) + perror_msg_and_die("waitpid"); + + int code = -1; + if (WIFSIGNALED(status)) + { + code = WTERMSIG(status); + error_msg("'%s' killed by signal %d", argv[0], code); + code += 128; /* shells use this convention for deaths by signal */ + } + else /* if (WIFEXITED(status)) */ + { + code = WEXITSTATUS(status); + if (code == 127) + { + error_msg_and_die("Can't run '%s'", argv[0]); + } + } + + return code; +} + +int run_command(char **argv) +{ + pid_t pid = start_command(argv); + return finish_command(pid, argv); +} |