Wrapping network thread lazy initializer with dispatch_once, to ensur…

…e thread safety
darknoon · Aug 31, 2011 · a167217 · a167217
1 parent c0271e6
commit a167217
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/AFNetworking/AFHTTPRequestOperation.m b/AFNetworking/AFHTTPRequestOperation.m
@@ -108,10 +108,12 @@ @implementation AFHTTPRequestOperation
 static NSThread *_networkRequestThread = nil;
 
 + (NSThread *)networkRequestThread {
-    if (!_networkRequestThread) {
+    static dispatch_once_t oncePredicate;
+
+    dispatch_once(&oncePredicate, ^{
         _networkRequestThread = [[NSThread alloc] initWithTarget:self selector:@selector(networkRequestThreadEntryPoint:) object:nil];
         [_networkRequestThread start];
-    }
+    });
 
     return _networkRequestThread;
 }