Add a bit of debug info in Connection pinging

Frameworks/SPMySQLFramework/Source/SPMySQLConnection Categories/Ping & KeepAlive.h

@@ -34,6 +34,7 @@ typedef struct {
 	MYSQL	*mySQLConnection;
 	volatile BOOL *keepAlivePingThreadActivePointer;
 	volatile BOOL *keepAliveLastPingSuccessPointer;
+	void *parentId;
 } SPMySQLConnectionPingDetails;
 
 @interface SPMySQLConnection (Ping_and_KeepAlive)

Frameworks/SPMySQLFramework/Source/SPMySQLConnection Categories/Ping & KeepAlive.m

@@ -33,6 +33,7 @@
 #import "SPMySQL Private APIs.h"
 #import "Locking.h"
 #import <pthread.h>
+#include <stdio.h>
 
 @implementation SPMySQLConnection (Ping_and_KeepAlive)
 
@@ -85,7 +86,7 @@ - (void)_threadedKeepAlive
 	}
 
 	keepAliveThread = [NSThread currentThread];
-	[keepAliveThread setName:@"SPMySQL connection keepalive monitor thread"];
+	[keepAliveThread setName:[NSString stringWithFormat:@"SPMySQL connection keepalive monitor thread (id=%p)", self]];
 
 	// If the maximum number of ping failures has been reached, determine whether to reconnect.
 	if (keepAliveLastPingBlocked || keepAlivePingFailures >= 3) {
@@ -158,6 +159,7 @@ - (BOOL)_pingConnectionUsingLoopDelay:(NSUInteger)loopDelay
 	pingDetails->mySQLConnection = mySQLConnection;
 	pingDetails->keepAliveLastPingSuccessPointer = &keepAliveLastPingSuccess;
 	pingDetails->keepAlivePingThreadActivePointer = &keepAlivePingThreadActive;
+	pingDetails->parentId = self;
 
 	// Create a pthread for the ping
 	pthread_t keepAlivePingThread_t;
@@ -216,9 +218,11 @@ - (BOOL)_pingConnectionUsingLoopDelay:(NSUInteger)loopDelay
  */
 void _backgroundPingTask(void *ptr)
 {
-	pthread_setname_np("SPMySQL _backgroundPingTask() worker thread");
-
 	SPMySQLConnectionPingDetails *pingDetails = (SPMySQLConnectionPingDetails *)ptr;
+
+	char threadNameBuf[80];
+	snprintf(threadNameBuf, sizeof(threadNameBuf), "SPMySQL _backgroundPingTask() worker thread (id=%p)", pingDetails->parentId);
+	pthread_setname_np(threadNameBuf);
 
 	// Set up a cleanup routine
 	pthread_cleanup_push(_pingThreadCleanup, pingDetails);