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zdtm: print an error message and exit if exec failed

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Signed-off-by: Andrey Vagin <avagin@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
This commit is contained in:
Andrey Vagin
2013-04-10 01:24:08 +04:00
committed by Pavel Emelyanov
parent 4dac517b00
commit edc865361e
1 changed files with 4 additions and 0 deletions
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4
test/zdtm/lib/ns.c
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@@ -214,6 +214,8 @@ int ns_init(int argc, char **argv)
pid = fork(); pid = fork();
if (pid == 0) { if (pid == 0) {
execl("/bin/ps", "ps", "axf", "-o", "pid,sid,comm", NULL); execl("/bin/ps", "ps", "axf", "-o", "pid,sid,comm", NULL);
fprintf(stderr, "Unable to execute ps: %m\n");
exit(1);
} else if (pid > 0) } else if (pid > 0)
waitpid(pid, NULL, 0); waitpid(pid, NULL, 0);
@@ -229,6 +231,8 @@ int ns_init(int argc, char **argv)
pid = fork(); pid = fork();
if (pid == 0) { if (pid == 0) {
execl("/bin/ps", "ps", "axf", "-o", "pid,sid,comm", NULL); execl("/bin/ps", "ps", "axf", "-o", "pid,sid,comm", NULL);
fprintf(stderr, "Unable to execute ps: %m\n");
exit(1);
} else if (pid > 0) } else if (pid > 0)
waitpid(pid, NULL, 0); waitpid(pid, NULL, 0);