xnu-1699.22.73.tar.gz

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

diff --git a/iokit/Kernel/IOCommandPool.cpp b/iokit/Kernel/IOCommandPool.cpp
index c50a61636f90dd942e0c1486d1005dde5ff17489..2a3b6e71b1313b46abc07657072dfe55c216d0ca 100644 (file)
--- a/iokit/Kernel/IOCommandPool.cpp
+++ b/iokit/Kernel/IOCommandPool.cpp
@@ -1,23 +1,29 @@
 /*
  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * 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. 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.
  * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * 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
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
  * 
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 
 /*
@@ -141,9 +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
@@ -180,8 +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);
 }
 
 
@@ -193,7 +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--;