Hi,
Compiling postgres I currently get the following warning when compiling
without LOCK_DEBUG:
/home/andres/src/postgresql/src/backend/storage/lmgr/lock.c:944:52:
warning: suggest braces around empty body in an 'else' statement [-Wempty-body]
PROCLOCK_PRINT("LockAcquire: NOWAIT", proclock);
It'd be easy to just disable the warning with -Wno-empty-body, but I actually
like
the warning.
It's easy to fix by defining PROCLOCK_PRINT to (void)0 instead of
defining it empty when LOCK_DEBUG is enabled.
Greetings,
Andres Freund
--
Andres Freund http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
diff --git a/src/backend/storage/lmgr/lock.c b/src/backend/storage/lmgr/lock.c
index f4f32e9..0e5e679 100644
--- a/src/backend/storage/lmgr/lock.c
+++ b/src/backend/storage/lmgr/lock.c
@@ -331,8 +331,8 @@ PROCLOCK_PRINT(const char *where, const PROCLOCK *proclockP)
}
#else /* not LOCK_DEBUG */
-#define LOCK_PRINT(where, lock, type)
-#define PROCLOCK_PRINT(where, proclockP)
+#define LOCK_PRINT(where, lock, type) (void)0
+#define PROCLOCK_PRINT(where, proclockP) (void)0
#endif /* not LOCK_DEBUG */
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