From 831841e1c08edf31144667af4c1022f497e4ec86 Mon Sep 17 00:00:00 2001
From: Ingo Weinhold <ingo_weinhold@gmx.de>
Date: Sun, 30 Jan 2005 16:09:57 +0000
Subject: [PATCH] Moved generic autolocking code to <util/AutoLock.h>.

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@11158 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 .../disk_device_manager/KDiskDeviceUtils.h    | 143 +-----------------
 1 file changed, 2 insertions(+), 141 deletions(-)

diff --git a/headers/private/kernel/disk_device_manager/KDiskDeviceUtils.h b/headers/private/kernel/disk_device_manager/KDiskDeviceUtils.h
index 326e4e9df8..c1af0ea9b3 100644
--- a/headers/private/kernel/disk_device_manager/KDiskDeviceUtils.h
+++ b/headers/private/kernel/disk_device_manager/KDiskDeviceUtils.h
@@ -8,6 +8,8 @@
 
 #include <SupportDefs.h>
 
+#include <util/AutoLock.h>
+
 namespace BPrivate {
 namespace DiskDevice {
 
@@ -82,146 +84,6 @@ compare_string(const char *str1, const char *str2)
 
 // locking
 
-// AutoLockerStandardLocking
-template<typename Lockable>
-class AutoLockerStandardLocking {
-public:
-	inline bool Lock(Lockable *lockable)
-	{
-		return lockable->Lock();
-	}
-
-	inline void Unlock(Lockable *lockable)
-	{
-		lockable->Unlock();
-	}
-};
-
-// AutoLockerReadLocking
-template<typename Lockable>
-class AutoLockerReadLocking {
-public:
-	inline bool Lock(Lockable *lockable)
-	{
-		return lockable->ReadLock();
-	}
-
-	inline void Unlock(Lockable *lockable)
-	{
-		lockable->ReadUnlock();
-	}
-};
-
-// AutoLockerWriteLocking
-template<typename Lockable>
-class AutoLockerWriteLocking {
-public:
-	inline bool Lock(Lockable *lockable)
-	{
-		return lockable->WriteLock();
-	}
-
-	inline void Unlock(Lockable *lockable)
-	{
-		lockable->WriteUnlock();
-	}
-};
-
-// AutoLocker
-template<typename Lockable,
-		 typename Locking = AutoLockerStandardLocking<Lockable> >
-class AutoLocker {
-private:
-	typedef AutoLocker<Lockable, Locking>	ThisClass;
-public:
-	inline AutoLocker(Lockable *lockable, bool alreadyLocked = false)
-		: fLockable(lockable),
-		  fLocked(fLockable && alreadyLocked)
-	{
-		if (!fLocked)
-			_Lock();
-	}
-
-	inline AutoLocker(Lockable &lockable, bool alreadyLocked = false)
-		: fLockable(&lockable),
-		  fLocked(fLockable && alreadyLocked)
-	{
-		if (!fLocked)
-			_Lock();
-	}
-
-	inline ~AutoLocker()
-	{
-		_Unlock();
-	}
-
-	inline void SetTo(Lockable *lockable, bool alreadyLocked)
-	{
-		_Unlock();
-		fLockable = lockable;
-		fLocked = alreadyLocked;
-		if (!fLocked)
-			_Lock();
-	}
-
-	inline void SetTo(Lockable &lockable, bool alreadyLocked)
-	{
-		SetTo(&lockable, alreadyLocked);
-	}
-
-	inline void Unset()
-	{
-		_Unlock();
-	}
-
-	inline void Unlock()
-	{
-		_Unlock();
-	}
-
-	inline void Detach()
-	{
-		fLockable = NULL;
-		fLocked = false;
-	}
-
-	inline AutoLocker<Lockable, Locking> &operator=(Lockable *lockable)
-	{
-		SetTo(lockable);
-		return *this;
-	}
-
-	inline AutoLocker<Lockable, Locking> &operator=(Lockable &lockable)
-	{
-		SetTo(&lockable);
-		return *this;
-	}
-
-	inline bool IsLocked() const	{ return fLocked; }
-
-	inline operator bool() const	{ return fLocked; }
-
-private:
-	inline void _Lock()
-	{
-		if (fLockable)
-			fLocked = fLocking.Lock(fLockable);
-	}
-
-	inline void _Unlock()
-	{
-		if (fLockable && fLocked) {
-			fLocking.Unlock(fLockable);
-			fLocked = false;
-		}
-	}
-
-private:
-	Lockable	*fLockable;
-	bool		fLocked;
-	Locking		fLocking;
-};
-
 // instantiations
 class KDiskDevice;
 class KDiskDeviceManager;
@@ -314,7 +176,6 @@ typedef AutoLocker<disk_device_data, AutoLockerDeviceStructWriteLocker<> >
 } // namespace BPrivate
 
 using BPrivate::DiskDevice::set_string;
-using BPrivate::DiskDevice::AutoLocker;
 using BPrivate::DiskDevice::DeviceReadLocker;
 using BPrivate::DiskDevice::DeviceWriteLocker;
 using BPrivate::DiskDevice::ManagerLocker;