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Silence compiler warnings

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Commit cfdf4dc4fc left a few unnecessary assignments, one of which
caused compiler warnings, as reported by Erik Rijkers.  Remove them all.

Discussion: https://postgr.es/m/df0dcca2025b3d90d946ecc508ca9678@xs4all.nl
This commit is contained in:
Alvaro Herrera 2018-11-23 13:01:05 -03:00
parent 0f75a466ac
commit 3be5fe2b10
3 changed files with 16 additions and 19 deletions
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18
contrib/pg_prewarm/autoprewarm.c
View File

@ -207,8 +207,6 @@ autoprewarm_main(Datum main_arg)
/* Periodically dump buffers until terminated. */
while (!got_sigterm)
{
int rc;
/* In case of a SIGHUP, just reload the configuration. */
if (got_sighup)
{
@ -219,10 +217,10 @@ autoprewarm_main(Datum main_arg)
if (autoprewarm_interval <= 0)
{
/* We're only dumping at shutdown, so just wait forever. */
rc = WaitLatch(&MyProc->procLatch,
WL_LATCH_SET | WL_EXIT_ON_PM_DEATH,
-1L,
PG_WAIT_EXTENSION);
(void) WaitLatch(&MyProc->procLatch,
WL_LATCH_SET | WL_EXIT_ON_PM_DEATH,
-1L,
PG_WAIT_EXTENSION);
}
else
{
@ -248,10 +246,10 @@ autoprewarm_main(Datum main_arg)
}
/* Sleep until the next dump time. */
rc = WaitLatch(&MyProc->procLatch,
WL_LATCH_SET | WL_TIMEOUT | WL_EXIT_ON_PM_DEATH,
delay_in_ms,
PG_WAIT_EXTENSION);
(void) WaitLatch(&MyProc->procLatch,
WL_LATCH_SET | WL_TIMEOUT | WL_EXIT_ON_PM_DEATH,
delay_in_ms,
PG_WAIT_EXTENSION);
}
/* Reset the latch, loop. */

8
src/backend/postmaster/bgwriter.c
View File

@ -361,10 +361,10 @@ BackgroundWriterMain(void)
/* Ask for notification at next buffer allocation */
StrategyNotifyBgWriter(MyProc->pgprocno);
/* Sleep ... */
rc = WaitLatch(MyLatch,
WL_LATCH_SET | WL_TIMEOUT | WL_EXIT_ON_PM_DEATH,
BgWriterDelay * HIBERNATE_FACTOR,
WAIT_EVENT_BGWRITER_HIBERNATE);
(void) WaitLatch(MyLatch,
WL_LATCH_SET | WL_TIMEOUT | WL_EXIT_ON_PM_DEATH,
BgWriterDelay * HIBERNATE_FACTOR,
WAIT_EVENT_BGWRITER_HIBERNATE);
/* Reset the notification request in case we timed out */
StrategyNotifyBgWriter(-1);
}

9
src/test/modules/worker_spi/worker_spi.c
View File

@ -217,7 +217,6 @@ worker_spi_main(Datum main_arg)
while (!got_sigterm)
{
int ret;
int rc;
/*
* Background workers mustn't call usleep() or any direct equivalent:
@ -225,10 +224,10 @@ worker_spi_main(Datum main_arg)
* necessary, but is awakened if postmaster dies. That way the
* background process goes away immediately in an emergency.
*/
rc = WaitLatch(MyLatch,
WL_LATCH_SET | WL_TIMEOUT | WL_EXIT_ON_PM_DEATH,
worker_spi_naptime * 1000L,
PG_WAIT_EXTENSION);
(void) WaitLatch(MyLatch,
WL_LATCH_SET | WL_TIMEOUT | WL_EXIT_ON_PM_DEATH,
worker_spi_naptime * 1000L,
PG_WAIT_EXTENSION);
ResetLatch(MyLatch);
CHECK_FOR_INTERRUPTS();