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Diffstat (limited to 'src/backend/storage/lmgr/proc.c')
| -rw-r--r-- | src/backend/storage/lmgr/proc.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/backend/storage/lmgr/proc.c b/src/backend/storage/lmgr/proc.c index 5844540ccca..0d70b03eebb 100644 --- a/src/backend/storage/lmgr/proc.c +++ b/src/backend/storage/lmgr/proc.c @@ -1784,6 +1784,9 @@ CheckDeadLockAlert(void) * Have to set the latch again, even if handle_sig_alarm already did. Back * then got_deadlock_timeout wasn't yet set... It's unlikely that this * ever would be a problem, but setting a set latch again is cheap. + * + * Note that, when this function runs inside procsignal_sigusr1_handler(), + * the handler function sets the latch again after the latch is set here. */ SetLatch(MyLatch); errno = save_errno; |