diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/storage/ipc/latch.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/backend/storage/ipc/latch.c b/src/backend/storage/ipc/latch.c index 7ced8264f00..b32c96b63d3 100644 --- a/src/backend/storage/ipc/latch.c +++ b/src/backend/storage/ipc/latch.c @@ -283,6 +283,22 @@ InitializeLatchSupport(void) #ifdef WAIT_USE_SIGNALFD sigset_t signalfd_mask; + if (IsUnderPostmaster) + { + /* + * It would probably be safe to re-use the inherited signalfd since + * signalfds only see the current process's pending signals, but it + * seems less surprising to close it and create our own. + */ + if (signal_fd != -1) + { + /* Release postmaster's signal FD; ignore any error */ + (void) close(signal_fd); + signal_fd = -1; + ReleaseExternalFD(); + } + } + /* Block SIGURG, because we'll receive it through a signalfd. */ sigaddset(&UnBlockSig, SIGURG); |