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Ignore PQcancel errors properly 

Add a (void) cast to all PQcancel() calls that purposefully don't check
the return value, to keep compilers and static checkers happy.

Per Coverity.
This commit is contained in:
Alvaro Herrera 2017-05-09 14:58:51 -03:00
parent 26aa1cf376
commit e0bf16060b
2 changed files with 5 additions and 5 deletions
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8
src/bin/pg_dump/pg_backup_db.c
View File

@ -351,12 +351,12 @@ DisconnectDatabase(Archive *AHX)
if (AH->connCancel)
{
/*
* If we have an active query, send a cancel before closing. This is
* of no use for a normal exit, but might be helpful during
* exit_horribly().
* If we have an active query, send a cancel before closing, ignoring
* any errors. This is of no use for a normal exit, but might be
* helpful during exit_horribly().
*/
if (PQtransactionStatus(AH->connection) == PQTRANS_ACTIVE)
PQcancel(AH->connCancel, errbuf, sizeof(errbuf));
(void) PQcancel(AH->connCancel, errbuf, sizeof(errbuf));
/*
* Prevent signal handler from sending a cancel after this.

2
src/bin/scripts/vacuumdb.c
View File

@ -860,7 +860,7 @@ DisconnectDatabase(ParallelSlot *slot)
if ((cancel = PQgetCancel(slot->connection)))
{
PQcancel(cancel, errbuf, sizeof(errbuf));
(void) PQcancel(cancel, errbuf, sizeof(errbuf));
PQfreeCancel(cancel);
}
}