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authorrowanbeentje <rowan@beent.je>2009-11-01 23:54:10 +0000
committerrowanbeentje <rowan@beent.je>2009-11-01 23:54:10 +0000
commit7db6c4e18fb52c2e5ada02ad108ab6415a49843d (patch)
tree4b0af2b28ee1e8022928fd556834d6a760d841b1 /Frameworks/MCPKit/MCPFoundationKit/MCPConnection.m
parentb5b5b411b5a8adf460ddd5ba7db03d429d7f2a8e (diff)
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- Tweak connection locking to avoid occasional NSLock warnings when running custom queries
- Add error connection to query reselection to avoid exceptions when editing queries while running them
Diffstat (limited to 'Frameworks/MCPKit/MCPFoundationKit/MCPConnection.m')
-rw-r--r--Frameworks/MCPKit/MCPFoundationKit/MCPConnection.m22
1 files changed, 9 insertions, 13 deletions
diff --git a/Frameworks/MCPKit/MCPFoundationKit/MCPConnection.m b/Frameworks/MCPKit/MCPFoundationKit/MCPConnection.m
index 4e6e0ada..dd830e02 100644
--- a/Frameworks/MCPKit/MCPFoundationKit/MCPConnection.m
+++ b/Frameworks/MCPKit/MCPFoundationKit/MCPConnection.m
@@ -1352,14 +1352,8 @@ void performThreadedKeepAlive(void *ptr)
}
}
- // Lock on this thread for normal result sets...
- if (streamResultType == MCP_NO_STREAMING) {
- [queryLock lock];
-
- // ...but streaming result unlock on the main thread after processing, so ensure a lock on the main thread.
- } else {
- [self lockConnection];
- }
+ // Lock the connection
+ [self lockConnection];
// Run (or re-run) the query, timing the execution time of the query - note
// that this time will include network lag.
@@ -1378,7 +1372,7 @@ void performThreadedKeepAlive(void *ptr)
// For normal result sets, fetch the results and unlock the connection
if (streamResultType == MCP_NO_STREAMING) {
theResult = [[MCPResult alloc] initWithMySQLPtr:mConnection encoding:mEncoding timeZone:mTimeZone];
- [queryLock unlock];
+ [self unlockConnection];
// For streaming result sets, fetch the result pointer and leave the connection locked
} else if (streamResultType == MCP_FAST_STREAMING) {
@@ -1394,7 +1388,7 @@ void performThreadedKeepAlive(void *ptr)
break;
}
} else {
- [queryLock unlock];
+ [self unlockConnection];
}
queryErrorMessage = [[NSString alloc] initWithString:@""];
@@ -1405,7 +1399,7 @@ void performThreadedKeepAlive(void *ptr)
// On failure, set the error messages and IDs
} else {
- [queryLock unlock];
+ [self unlockConnection];
queryErrorMessage = [[NSString alloc] initWithString:[self stringWithCString:mysql_error(mConnection)]];
queryErrorId = mysql_errno(mConnection);
@@ -1487,7 +1481,8 @@ void performThreadedKeepAlive(void *ptr)
#pragma mark Connection locking
/**
- * Lock the connection from any thread
+ * Lock the connection from any thread; ensure the the connection is locked on
+ * the main thread, but as fast as possible.
*/
- (void)lockConnection
{
@@ -1496,7 +1491,8 @@ void performThreadedKeepAlive(void *ptr)
}
/**
- * Unlock the connection from any thread
+ * Unlock the connection from any thread; ensure the connection is unlocked on
+ * the main thread, but as fast as possible.
*/
- (void)unlockConnection
{