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ctdbd: Make sure we don't kill init process by mistake

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If getpgrp() fails, it will return -1 and that will send KILL signal to init
process (PID 1).  This does not happen on RHEL, but does on AIX.

Reported-by: Chris Cowan <cc@us.ibm.com>

Signed-off-by: Amitay Isaacs <amitay@gmail.com>

(This used to be ctdb commit edb2a3556d03e248b42f63dd2c62382b723bc98f)
This commit is contained in:
Amitay Isaacs 2013-06-06 16:42:02 +10:00
parent 27ba5b44b6
commit d0c858f211
1 changed files with 8 additions and 1 deletions
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9
ctdb/server/eventscript.c
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@ -34,8 +34,15 @@ static void ctdb_event_script_timeout(struct event_context *ev, struct timed_eve
*/
static void sigterm(int sig)
{
pid_t pid;
/* all the child processes will be running in the same process group */
kill(-getpgrp(), SIGKILL);
pid = getpgrp();
if (pid == -1) {
kill(-getpid(), SIGKILL);
} else {
kill(-pid, SIGKILL);
}
_exit(1);
}