diff options
Diffstat (limited to 'src/backend/libpq/pqsignal.c')
| -rw-r--r-- | src/backend/libpq/pqsignal.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/backend/libpq/pqsignal.c b/src/backend/libpq/pqsignal.c index b43af220303..dedf3a456d8 100644 --- a/src/backend/libpq/pqsignal.c +++ b/src/backend/libpq/pqsignal.c @@ -35,13 +35,15 @@ sigset_t UnBlockSig, * collection; it's essentially BlockSig minus SIGTERM, SIGQUIT, SIGALRM. * * UnBlockSig is the set of signals to block when we don't want to block - * signals (is this ever nonzero??) + * signals. */ void pqinitmask(void) { sigemptyset(&UnBlockSig); + /* Note: InitializeLatchSupport() modifies UnBlockSig. */ + /* First set all signals, then clear some. */ sigfillset(&BlockSig); sigfillset(&StartupBlockSig); |