diff options
Diffstat (limited to 'src/backend/postmaster/pgarch.c')
| -rw-r--r-- | src/backend/postmaster/pgarch.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/src/backend/postmaster/pgarch.c b/src/backend/postmaster/pgarch.c index 8ccfc37fe9d..3cc7a59246b 100644 --- a/src/backend/postmaster/pgarch.c +++ b/src/backend/postmaster/pgarch.c @@ -288,16 +288,21 @@ pgarch_exit(SIGNAL_ARGS) static void ArchSigHupHandler(SIGNAL_ARGS) { + int save_errno = errno; + /* set flag to re-read config file at next convenient time */ got_SIGHUP = true; - /* let the waiting loop iterate */ SetLatch(&mainloop_latch); + + errno = save_errno; } /* SIGTERM signal handler for archiver process */ static void ArchSigTermHandler(SIGNAL_ARGS) { + int save_errno = errno; + /* * The postmaster never sends us SIGTERM, so we assume that this means * that init is trying to shut down the whole system. If we hang around @@ -305,28 +310,35 @@ ArchSigTermHandler(SIGNAL_ARGS) * archive commands. */ got_SIGTERM = true; - /* let the waiting loop iterate */ SetLatch(&mainloop_latch); + + errno = save_errno; } /* SIGUSR1 signal handler for archiver process */ static void pgarch_waken(SIGNAL_ARGS) { + int save_errno = errno; + /* set flag that there is work to be done */ wakened = true; - /* let the waiting loop iterate */ SetLatch(&mainloop_latch); + + errno = save_errno; } /* SIGUSR2 signal handler for archiver process */ static void pgarch_waken_stop(SIGNAL_ARGS) { + int save_errno = errno; + /* set flag to do a final cycle and shut down afterwards */ ready_to_stop = true; - /* let the waiting loop iterate */ SetLatch(&mainloop_latch); + + errno = save_errno; } /* |