xnu-4570.20.62.tar.gz

[apple/xnu.git] / iokit / IOKit / IOUserClient.h

diff --git a/iokit/IOKit/IOUserClient.h b/iokit/IOKit/IOUserClient.h
index c50e3ead9305ab1cc93a24ddcb02164ae261f63f..cce1695b9b91ece68fe6e6f461cdb9f0193662d4 100644 (file)
--- a/iokit/IOKit/IOUserClient.h
+++ b/iokit/IOKit/IOUserClient.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 1998-2016 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
@@ -173,7 +173,6 @@ enum {
     @abstract   Provides a basis for communication between client applications and I/O Kit objects.
 */
 
-
 class IOUserClient : public IOService
 {
     OSDeclareAbstractStructors(IOUserClient)
@@ -201,14 +200,25 @@ protected:
     bool reserve();
 
 #ifdef XNU_KERNEL_PRIVATE
+
 public:
-#else
-private:
-#endif
     OSSet * mappings;
     UInt8   sharedInstance;
-    UInt8   __reservedA[3];
-    void  * __reserved[7];
+    UInt8   closed;
+    UInt8   __ipcFinal;
+    UInt8   __reservedA[1];
+    volatile SInt32 __ipc;
+    queue_head_t owners;
+#if __LP64__
+    void  * __reserved[5];
+#else
+    void  * __reserved[4];
+#endif
+
+#else /* XNU_KERNEL_PRIVATE */
+private:
+    void  * __reserved[9];
+#endif /* XNU_KERNEL_PRIVATE */
 
 public:
    virtual IOReturn externalMethod( uint32_t selector, IOExternalMethodArguments * arguments,
@@ -241,15 +251,20 @@ private:
     OSMetaClassDeclareReservedUnused(IOUserClient, 15);
 
 #ifdef XNU_KERNEL_PRIVATE
+
     /* Available within xnu source only */
 public:
     static void initialize( void );
     static void destroyUserReferences( OSObject * obj );
+    static bool finalizeUserReferences( OSObject * obj );
     IOMemoryMap * mapClientMemory64( IOOptionBits type,
                                     task_t task,
                                     IOOptionBits mapFlags = kIOMapAnywhere,
                                    mach_vm_address_t atAddress = 0 );
-#endif
+    IOReturn registerOwner(task_t task);
+    void     noMoreSenders(void);
+
+#endif /* XNU_KERNEL_PRIVATE */
 
 protected:
     static IOReturn sendAsyncResult(OSAsyncReference reference,
@@ -304,13 +319,13 @@ public:
         @function releaseNotificationPort
        @abstract Release the mach_port_t passed to registerNotificationPort().
        @discussion The mach_port_t passed to the registerNotificationPort() methods should be released to balance each call to registerNotificationPort(). Behavior is undefined if these calls are not correctly balanced.
-        @param reference The mach_port_t argument previously passed to the subclass implementation of registerNotificationPort().
+        @param port The mach_port_t argument previously passed to the subclass implementation of registerNotificationPort().
         @result A return code.
     */
     static IOReturn releaseNotificationPort(mach_port_t port);
 
-    virtual bool init();
-    virtual bool init( OSDictionary * dictionary );
+    virtual bool init() APPLE_KEXT_OVERRIDE;
+    virtual bool init( OSDictionary * dictionary ) APPLE_KEXT_OVERRIDE;
     // Currently ignores the all args, just passes up to IOService::init()
     virtual bool initWithTask(
                     task_t owningTask, void * securityToken, UInt32 type,
@@ -319,7 +334,7 @@ public:
     virtual bool initWithTask(
                     task_t owningTask, void * securityToken, UInt32 type);
 
-    virtual void free();
+    virtual void free() APPLE_KEXT_OVERRIDE;
 
     virtual IOReturn clientClose( void );
     virtual IOReturn clientDied( void );