diff options
Diffstat (limited to 'src/backend/postmaster/checkpointer.c')
| -rw-r--r-- | src/backend/postmaster/checkpointer.c | 24 |
1 files changed, 9 insertions, 15 deletions
diff --git a/src/backend/postmaster/checkpointer.c b/src/backend/postmaster/checkpointer.c index 0950ada6019..b54448017d6 100644 --- a/src/backend/postmaster/checkpointer.c +++ b/src/backend/postmaster/checkpointer.c @@ -823,27 +823,21 @@ IsCheckpointOnSchedule(double progress) static void chkpt_quickdie(SIGNAL_ARGS) { - PG_SETMASK(&BlockSig); - /* - * We DO NOT want to run proc_exit() callbacks -- we're here because - * shared memory may be corrupted, so we don't want to try to clean up our - * transaction. Just nail the windows shut and get out of town. Now that - * there's an atexit callback to prevent third-party code from breaking - * things by calling exit() directly, we have to reset the callbacks - * explicitly to make this work as intended. - */ - on_exit_reset(); - - /* - * Note we do exit(2) not exit(0). This is to force the postmaster into a - * system reset cycle if some idiot DBA sends a manual SIGQUIT to a random + * We DO NOT want to run proc_exit() or atexit() callbacks -- we're here + * because shared memory may be corrupted, so we don't want to try to + * clean up our transaction. Just nail the windows shut and get out of + * town. The callbacks wouldn't be safe to run from a signal handler, + * anyway. + * + * Note we do _exit(2) not _exit(0). This is to force the postmaster into + * a system reset cycle if someone sends a manual SIGQUIT to a random * backend. This is necessary precisely because we don't clean up our * shared memory state. (The "dead man switch" mechanism in pmsignal.c * should ensure the postmaster sees this as a crash, too, but no harm in * being doubly sure.) */ - exit(2); + _exit(2); } /* SIGHUP: set flag to re-read config file at next convenient time */ |