[PATCH] Explicit cast LWLockMode, which an enum, to int in order to match the dtrace definition of the lwlock methods. Thereby all call sites will have the same definition instead of a mix between signed and unsigned.

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From: jesperpedersen <jesper.pedersen@redhat.com>
Subject: [PATCH] Explicit cast LWLockMode, which an enum, to int in order to match the dtrace definition of the lwlock methods. Thereby all call sites will have the same definition instead of a mix between signed and unsigned.
Date: Tue, 18 Apr 2017 11:44:18 -0400

Author: Jesper Pedersen <jesper.pedersen@redhat.com>
---
 src/backend/storage/lmgr/lwlock.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/src/backend/storage/lmgr/lwlock.c b/src/backend/storage/lmgr/lwlock.c
index 3e13394..abf5fbb 100644
--- a/src/backend/storage/lmgr/lwlock.c
+++ b/src/backend/storage/lmgr/lwlock.c
@@ -1226,7 +1226,7 @@ LWLockAcquire(LWLock *lock, LWLockMode mode)
 #endif
 
 		LWLockReportWaitStart(lock);
-		TRACE_POSTGRESQL_LWLOCK_WAIT_START(T_NAME(lock), mode);
+		TRACE_POSTGRESQL_LWLOCK_WAIT_START(T_NAME(lock), (int)mode);
 
 		for (;;)
 		{
@@ -1248,7 +1248,7 @@ LWLockAcquire(LWLock *lock, LWLockMode mode)
 		}
 #endif
 
-		TRACE_POSTGRESQL_LWLOCK_WAIT_DONE(T_NAME(lock), mode);
+		TRACE_POSTGRESQL_LWLOCK_WAIT_DONE(T_NAME(lock), (int)mode);
 		LWLockReportWaitEnd();
 
 		LOG_LWDEBUG("LWLockAcquire", lock, "awakened");
@@ -1257,7 +1257,7 @@ LWLockAcquire(LWLock *lock, LWLockMode mode)
 		result = false;
 	}
 
-	TRACE_POSTGRESQL_LWLOCK_ACQUIRE(T_NAME(lock), mode);
+	TRACE_POSTGRESQL_LWLOCK_ACQUIRE(T_NAME(lock), (int)mode);
 
 	/* Add lock to list of locks held by this backend */
 	held_lwlocks[num_held_lwlocks].lock = lock;
@@ -1308,14 +1308,14 @@ LWLockConditionalAcquire(LWLock *lock, LWLockMode mode)
 		RESUME_INTERRUPTS();
 
 		LOG_LWDEBUG("LWLockConditionalAcquire", lock, "failed");
-		TRACE_POSTGRESQL_LWLOCK_CONDACQUIRE_FAIL(T_NAME(lock), mode);
+		TRACE_POSTGRESQL_LWLOCK_CONDACQUIRE_FAIL(T_NAME(lock), (int)mode);
 	}
 	else
 	{
 		/* Add lock to list of locks held by this backend */
 		held_lwlocks[num_held_lwlocks].lock = lock;
 		held_lwlocks[num_held_lwlocks++].mode = mode;
-		TRACE_POSTGRESQL_LWLOCK_CONDACQUIRE(T_NAME(lock), mode);
+		TRACE_POSTGRESQL_LWLOCK_CONDACQUIRE(T_NAME(lock), (int)mode);
 	}
 	return !mustwait;
 }
@@ -1387,7 +1387,7 @@ LWLockAcquireOrWait(LWLock *lock, LWLockMode mode)
 #endif
 
 			LWLockReportWaitStart(lock);
-			TRACE_POSTGRESQL_LWLOCK_WAIT_START(T_NAME(lock), mode);
+			TRACE_POSTGRESQL_LWLOCK_WAIT_START(T_NAME(lock), (int)mode);
 
 			for (;;)
 			{
@@ -1405,7 +1405,7 @@ LWLockAcquireOrWait(LWLock *lock, LWLockMode mode)
 				Assert(nwaiters < MAX_BACKENDS);
 			}
 #endif
-			TRACE_POSTGRESQL_LWLOCK_WAIT_DONE(T_NAME(lock), mode);
+			TRACE_POSTGRESQL_LWLOCK_WAIT_DONE(T_NAME(lock), (int)mode);
 			LWLockReportWaitEnd();
 
 			LOG_LWDEBUG("LWLockAcquireOrWait", lock, "awakened");
@@ -1435,7 +1435,7 @@ LWLockAcquireOrWait(LWLock *lock, LWLockMode mode)
 		/* Failed to get lock, so release interrupt holdoff */
 		RESUME_INTERRUPTS();
 		LOG_LWDEBUG("LWLockAcquireOrWait", lock, "failed");
-		TRACE_POSTGRESQL_LWLOCK_ACQUIRE_OR_WAIT_FAIL(T_NAME(lock), mode);
+		TRACE_POSTGRESQL_LWLOCK_ACQUIRE_OR_WAIT_FAIL(T_NAME(lock), (int)mode);
 	}
 	else
 	{
@@ -1443,7 +1443,7 @@ LWLockAcquireOrWait(LWLock *lock, LWLockMode mode)
 		/* Add lock to list of locks held by this backend */
 		held_lwlocks[num_held_lwlocks].lock = lock;
 		held_lwlocks[num_held_lwlocks++].mode = mode;
-		TRACE_POSTGRESQL_LWLOCK_ACQUIRE_OR_WAIT(T_NAME(lock), mode);
+		TRACE_POSTGRESQL_LWLOCK_ACQUIRE_OR_WAIT(T_NAME(lock), (int)mode);
 	}
 
 	return !mustwait;
-- 
2.7.4


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  Cc: jesper.pedersen@redhat.com
  Subject: Re: [PATCH] Explicit cast LWLockMode, which an enum, to int in order to match the dtrace definition of the lwlock methods. Thereby all call sites will have the same definition instead of a mix between signed and unsigned.
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