git.postgresql.org Git - postgresql.git/commitdiff

git projects / postgresql.git / commitdiff

Add unlikely() to CHECK_FOR_INTERRUPTS()

Fri, 5 Jun 2020 20:49:32 +0000 (16:49 -0400)

committer Joe Conway <mail@joeconway.com>

Fri, 5 Jun 2020 20:49:32 +0000 (16:49 -0400)

Add the unlikely() branch hint macro to CHECK_FOR_INTERRUPTS().
Backpatch to REL_10_STABLE where we first started using unlikely().

Discussion: https://www.postgresql.org/message-id/flat/8692553c-7fe8-17d9-cbc1-7cddb758f4c6%40joeconway.com

src/include/miscadmin.h patch | blob | blame | history

diff --git a/src/include/miscadmin.h b/src/include/miscadmin.h

index e167ee8fcbec51cb9075bad6d21553bb8d774127..802414553571704756c75777bc3b9c74d8dbda3a 100644 (file)

--- a/src/include/miscadmin.h

+++ b/src/include/miscadmin.h

@@ -97,16 +97,16 @@ extern void ProcessInterrupts(void);

#define CHECK_FOR_INTERRUPTS() \

do { \

- if (InterruptPending) \

+ if (unlikely(InterruptPending)) \

ProcessInterrupts(); \

} while(0)

#else /* WIN32 */

#define CHECK_FOR_INTERRUPTS() \

do { \

- if (UNBLOCKED_SIGNAL_QUEUE()) \

+ if (unlikely(UNBLOCKED_SIGNAL_QUEUE())) \

pgwin32_dispatch_queued_signals(); \

- if (InterruptPending) \

+ if (unlikely(InterruptPending)) \

ProcessInterrupts(); \

} while(0)

#endif /* WIN32 */

This is the main PostgreSQL git repository.

RSS Atom