diff options
| author | Andres Freund | 2014-11-12 17:52:49 +0000 |
|---|---|---|
| committer | Andres Freund | 2014-11-12 17:52:49 +0000 |
| commit | bd4ae0f396b36955c92f26c0058e7dc0452db817 (patch) | |
| tree | 5ad37a0497d23572dc23e4b5a6afb9aa3ae1480b | |
| parent | 28245b8424e29808f4f714482077a762cab0c5c5 (diff) | |
Add interrupt checks to contrib/pg_prewarm.
Currently the extension's pg_prewarm() function didn't check
interrupts once it started "warming" data. Since individual calls can
take a long while it's important for them to be interruptible.
Backpatch to 9.4 where pg_prewarm was introduced.
| -rw-r--r-- | contrib/pg_prewarm/pg_prewarm.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/contrib/pg_prewarm/pg_prewarm.c b/contrib/pg_prewarm/pg_prewarm.c index df20e888ef..32c724e5ce 100644 --- a/contrib/pg_prewarm/pg_prewarm.c +++ b/contrib/pg_prewarm/pg_prewarm.c @@ -159,6 +159,7 @@ pg_prewarm(PG_FUNCTION_ARGS) */ for (block = first_block; block <= last_block; ++block) { + CHECK_FOR_INTERRUPTS(); PrefetchBuffer(rel, forkNumber, block); ++blocks_done; } @@ -177,6 +178,7 @@ pg_prewarm(PG_FUNCTION_ARGS) */ for (block = first_block; block <= last_block; ++block) { + CHECK_FOR_INTERRUPTS(); smgrread(rel->rd_smgr, forkNumber, block, blockbuffer); ++blocks_done; } @@ -190,6 +192,7 @@ pg_prewarm(PG_FUNCTION_ARGS) { Buffer buf; + CHECK_FOR_INTERRUPTS(); buf = ReadBufferExtended(rel, forkNumber, block, RBM_NORMAL, NULL); ReleaseBuffer(buf); ++blocks_done; |