libbe_build: Use a copy of the BLocker sources.

My upcoming changes to use our "futexes" instead of semaphores will obviously not work on non-Haiku platforms, so we now need a copy of this class in libbe_build.
2019-07-27 18:33:47 -04:00
parent 3c2901a976
commit 1e8a3588cd
2 changed files with 348 additions and 1 deletions
@@ -1 +1,50 @@
-#include <../os/support/Locker.h>
+/*
+ * Copyright 2001-2010 Haiku, Inc. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef	_LOCKER_H
+#define	_LOCKER_H
+
+
+#include <OS.h>
+
+
+class BLocker {
+public:
+								BLocker();
+								BLocker(const char* name);
+								BLocker(bool benaphoreStyle);
+								BLocker(const char* name, bool benaphoreStyle);
+	virtual						~BLocker();
+
+			status_t			InitCheck() const;
+
+			bool				Lock();
+			status_t			LockWithTimeout(bigtime_t timeout);
+			void				Unlock();
+
+			thread_id			LockingThread() const;
+			bool				IsLocked() const;
+			int32				CountLocks() const;
+			int32				CountLockRequests() const;
+			sem_id				Sem() const;
+
+private:
+								BLocker(const char* name, bool benaphoreStyle,
+									bool _ignored);
+								BLocker(const BLocker&);
+								BLocker& operator=(const BLocker&);
+			void				InitLocker(const char* name,
+									bool benaphoreStyle);
+			bool				AcquireLock(bigtime_t timeout, status_t* error);
+
+			int32				fBenaphoreCount;
+			sem_id				fSemaphoreID;
+			thread_id			fLockOwner;
+			int32				fRecursiveCount;
+
+			int32				_reserved[4];
+};
+
+
+#endif	// _LOCKER_H