diff options
| author | Thomas Munro | 2018-07-11 00:40:58 +0000 |
|---|---|---|
| committer | Thomas Munro | 2018-07-11 00:47:06 +0000 |
| commit | 9f09529952ac41a10e5874cba745c1c24e67ac79 (patch) | |
| tree | 2648f22d9b6c1bd0767e73415688031ae16b5cf3 /configure | |
| parent | 56a714721343e6f52c0b1b911c0f160592348e84 (diff) | |
Use signals for postmaster death on Linux.
Linux provides a way to ask for a signal when your parent process dies.
Use that to make PostmasterIsAlive() very cheap.
Based on a suggestion from Andres Freund.
Author: Thomas Munro, Heikki Linnakangas
Reviewed-By: Michael Paquier
Discussion: https://postgr.es/m/7261eb39-0369-f2f4-1bb5-62f3b6083b5e%40iki.fi
Discussion: https://postgr.es/m/20180411002643.6buofht4ranhei7k%40alap3.anarazel.de
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/configure b/configure index 1bc465b9429..41e0e1cf34a 100755 --- a/configure +++ b/configure @@ -12494,7 +12494,7 @@ $as_echo "#define HAVE_STDBOOL_H 1" >>confdefs.h fi -for ac_header in atomic.h crypt.h dld.h fp_class.h getopt.h ieeefp.h ifaddrs.h langinfo.h mbarrier.h poll.h sys/epoll.h sys/ipc.h sys/pstat.h sys/resource.h sys/select.h sys/sem.h sys/shm.h sys/sockio.h sys/tas.h sys/un.h termios.h ucred.h utime.h wchar.h wctype.h +for ac_header in atomic.h crypt.h dld.h fp_class.h getopt.h ieeefp.h ifaddrs.h langinfo.h mbarrier.h poll.h sys/epoll.h sys/ipc.h sys/prctl.h sys/pstat.h sys/resource.h sys/select.h sys/sem.h sys/shm.h sys/sockio.h sys/tas.h sys/un.h termios.h ucred.h utime.h wchar.h wctype.h do : as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default" |