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Avoid mixing void and integer in a conditional expression.

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The C standard says that the second and third arguments of a
conditional operator shall be both void type or both not-void
type.  The Windows version of INTERRUPTS_PENDING_CONDITION()
got this wrong.  It's pretty harmless because the result of
the operator is ignored anyway, but apparently recent versions
of MSVC have started issuing a warning about it.  Silence the
warning by casting the dummy zero to void.

Reported-by: Christian Ullrich <chris@chrullrich.net>
Author: Bryan Green <dbryan.green@gmail.com>
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://postgr.es/m/cc4ef8db-f8dc-4347-8a22-e7ebf44c0308@chrullrich.net
Backpatch-through: 13
This commit is contained in:
Tom Lane
2025-11-02 12:30:44 -05:00
parent b70cafd85f
commit 645c1e2752
1 changed files with 2 additions and 1 deletions
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3
src/include/miscadmin.h
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@@ -114,7 +114,8 @@ extern void ProcessInterrupts(void);
(unlikely(InterruptPending))
#else
#define INTERRUPTS_PENDING_CONDITION() \
(unlikely(UNBLOCKED_SIGNAL_QUEUE()) ? pgwin32_dispatch_queued_signals() : 0, \
(unlikely(UNBLOCKED_SIGNAL_QUEUE()) ? \
pgwin32_dispatch_queued_signals() : (void) 0, \
unlikely(InterruptPending))
#endif