v4.03-9408-rtm

src/Mayaqua/Object.h

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+// SoftEther VPN Source Code
+// Mayaqua Kernel
+// 
+// SoftEther VPN Server, Client and Bridge are free software under GPLv2.
+// 
+// Copyright (c) 2012-2014 Daiyuu Nobori.
+// Copyright (c) 2012-2014 SoftEther VPN Project, University of Tsukuba, Japan.
+// Copyright (c) 2012-2014 SoftEther Corporation.
+// 
+// All Rights Reserved.
+// 
+// http://www.softether.org/
+// 
+// Author: Daiyuu Nobori
+// Comments: Tetsuo Sugiyama, Ph.D.
+// 
+// 
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// version 2 as published by the Free Software Foundation.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+// 
+// You should have received a copy of the GNU General Public License version 2
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+// 
+// THE LICENSE AGREEMENT IS ATTACHED ON THE SOURCE-CODE PACKAGE
+// AS "LICENSE.TXT" FILE. READ THE TEXT FILE IN ADVANCE TO USE THE SOFTWARE.
+// 
+// 
+// THIS SOFTWARE IS DEVELOPED IN JAPAN, AND DISTRIBUTED FROM JAPAN,
+// UNDER JAPANESE LAWS. YOU MUST AGREE IN ADVANCE TO USE, COPY, MODIFY,
+// MERGE, PUBLISH, DISTRIBUTE, SUBLICENSE, AND/OR SELL COPIES OF THIS
+// SOFTWARE, THAT ANY JURIDICAL DISPUTES WHICH ARE CONCERNED TO THIS
+// SOFTWARE OR ITS CONTENTS, AGAINST US (SOFTETHER PROJECT, SOFTETHER
+// CORPORATION, DAIYUU NOBORI OR OTHER SUPPLIERS), OR ANY JURIDICAL
+// DISPUTES AGAINST US WHICH ARE CAUSED BY ANY KIND OF USING, COPYING,
+// MODIFYING, MERGING, PUBLISHING, DISTRIBUTING, SUBLICENSING, AND/OR
+// SELLING COPIES OF THIS SOFTWARE SHALL BE REGARDED AS BE CONSTRUED AND
+// CONTROLLED BY JAPANESE LAWS, AND YOU MUST FURTHER CONSENT TO
+// EXCLUSIVE JURISDICTION AND VENUE IN THE COURTS SITTING IN TOKYO,
+// JAPAN. YOU MUST WAIVE ALL DEFENSES OF LACK OF PERSONAL JURISDICTION
+// AND FORUM NON CONVENIENS. PROCESS MAY BE SERVED ON EITHER PARTY IN
+// THE MANNER AUTHORIZED BY APPLICABLE LAW OR COURT RULE.
+// 
+// USE ONLY IN JAPAN. DO NOT USE IT IN OTHER COUNTRIES. IMPORTING THIS
+// SOFTWARE INTO OTHER COUNTRIES IS AT YOUR OWN RISK. SOME COUNTRIES
+// PROHIBIT ENCRYPTED COMMUNICATIONS. USING THIS SOFTWARE IN OTHER
+// COUNTRIES MIGHT BE RESTRICTED.
+// 
+// 
+// DEAR SECURITY EXPERTS
+// ---------------------
+// 
+// If you find a bug or a security vulnerability please kindly inform us
+// about the problem immediately so that we can fix the security problem
+// to protect a lot of users around the world as soon as possible.
+// 
+// Our e-mail address for security reports is:
+// softether-vpn-security [at] softether.org
+// 
+// Please note that the above e-mail address is not a technical support
+// inquiry address. If you need technical assistance, please visit
+// http://www.softether.org/ and ask your question on the users forum.
+// 
+// Thank you for your cooperation.
+
+
+// Object.h
+// Header of Object.c
+
+#ifndef	OBJECT_H
+#define	OBJECT_H
+
+
+// Constants
+#define	OBJECT_ALLOC_FAIL_SLEEP_TIME		150
+#define	OBJECT_ALLOC__MAX_RETRY				30
+
+// Lock object
+struct LOCK
+{
+	void *pData;
+	BOOL Ready;
+#ifdef	OS_UNIX
+	UINT thread_id;
+	UINT locked_count;
+#endif	// OS_UNIX
+#ifdef	_DEBUG
+	char *FileName;
+	UINT Line;
+	UINT ThreadId;
+#endif	// _DEBUG
+};
+
+// Counter object
+struct COUNTER
+{
+	LOCK *lock;
+	UINT c;
+	bool Ready;
+};
+
+// Reference counter
+struct REF
+{
+	COUNTER *c;
+};
+
+// Event object
+struct EVENT
+{
+	REF *ref;
+	void *pData;
+};
+
+// Deadlock detection
+struct DEADCHECK
+{
+	LOCK *Lock;
+	UINT Timeout;
+	bool Unlocked;
+};
+
+
+// Lock function
+#ifndef	_DEBUG
+
+#define	Lock(lock)		LockInner((lock))
+#define	Unlock(lock)	UnlockInner((lock))
+
+#else	// _DEBUG
+
+#define	Lock(lock)			\
+	{						\
+		LockInner(lock);	\
+		if (lock != NULL) { lock->FileName = __FILE__; lock->Line = __LINE__; lock->ThreadId = ThreadId();}	\
+	}
+
+#define	Unlock(lock)		\
+	{						\
+		if (lock != NULL) { lock->FileName = NULL; lock->Line = 0; lock->ThreadId = 0;}	\
+		UnlockInner(lock);	\
+	}
+
+#endif	// _DEBUG
+
+
+// Function prototype
+LOCK *NewLock();
+LOCK *NewLockMain();
+void DeleteLock(LOCK *lock);
+COUNTER *NewCounter();
+void UnlockInner(LOCK *lock);
+bool LockInner(LOCK *lock);
+void DeleteCounter(COUNTER *c);
+UINT Count(COUNTER *c);
+UINT Inc(COUNTER *c);
+UINT Dec(COUNTER *c);
+UINT Release(REF *ref);
+UINT AddRef(REF *ref);
+REF *NewRef();
+EVENT *NewEvent();
+void ReleaseEvent(EVENT *e);
+void CleanupEvent(EVENT *e);
+void Set(EVENT *e);
+bool Wait(EVENT *e, UINT timeout);
+bool WaitEx(EVENT *e, UINT timeout, volatile bool *cancel);
+void CheckDeadLock(LOCK *lock, UINT timeout, char *name);
+void CheckDeadLockThread(THREAD *t, void *param);
+
+#endif	// OBJECT_H
+
+
+// Developed by SoftEther VPN Project at University of Tsukuba in Japan.
+// Department of Computer Science has dozens of overly-enthusiastic geeks.
+// Join us: http://www.tsukuba.ac.jp/english/admission/