xnu-1504.7.4.tar.gz

[apple/xnu.git] / iokit / Kernel / IOCommandPool.cpp

diff --git a/iokit/Kernel/IOCommandPool.cpp b/iokit/Kernel/IOCommandPool.cpp
index 5b927cc3035a9cbb5eb6f59ee5feb1c572ebdc24..2a3b6e71b1313b46abc07657072dfe55c216d0ca 100644 (file)
--- a/iokit/Kernel/IOCommandPool.cpp
+++ b/iokit/Kernel/IOCommandPool.cpp
@@ -1,16 +1,19 @@
 /*
  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
- * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ * 
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
  * 
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
@@ -20,7 +23,7 @@
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * 
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 
 /*
@@ -144,9 +147,10 @@ IOCommandPool::getCommand(bool blockForCommand)
     IOReturn    result  = kIOReturnSuccess;
     IOCommand *command = 0;
 
-    result = fSerializer->runAction((IOCommandGate::Action)
-        &IOCommandPool::gatedGetCommand, 
-            (void *) &command, (void *) blockForCommand);
+    IOCommandGate::Action func = OSMemberFunctionCast(
+           IOCommandGate::Action, this, &IOCommandPool::gatedGetCommand);
+    result = fSerializer->
+       runAction(func, (void *) &command, (void *) blockForCommand);
     if (kIOReturnSuccess == result)
         return command;
     else
@@ -183,8 +187,9 @@ gatedGetCommand(IOCommand **command, bool blockForCommand)
 void IOCommandPool::
 returnCommand(IOCommand *command)
 {
-    (void) fSerializer->runAction((IOCommandGate::Action)
-        &IOCommandPool::gatedReturnCommand, (void *) command);
+    IOCommandGate::Action func = OSMemberFunctionCast(
+           IOCommandGate::Action, this, &IOCommandPool::gatedReturnCommand);
+    (void) fSerializer->runAction(func, (void *) command);
 }
 
 
@@ -196,7 +201,7 @@ returnCommand(IOCommand *command)
 IOReturn IOCommandPool::
 gatedReturnCommand(IOCommand *command)
 {
-    queue_enter(&fQueueHead, command, IOCommand *, fCommandChain);
+    queue_enter_first(&fQueueHead, command, IOCommand *, fCommandChain);
     if (fSleepers) {
         fSerializer->commandWakeup(&fSleepers, /* oneThread */ true);
         fSleepers--;