Copied userlandfs code from the test tree to the haiku source tree,

where it will be ported to Haiku. git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@20216 a95241bf-73f2-0310-859d-f6bbb57e9c96
2007-02-24 00:30:19 +00:00
parent d5e020e912
commit 83812f6752
96 changed files with 25005 additions and 0 deletions
@@ -0,0 +1,59 @@
+//
+//	$Id: Locker.h,v 1.1 2002/07/09 12:24:33 ejakowatz Exp $
+//
+//	This is the Locker interface for OpenBeOS.  It has been created to
+//	be source and binary compatible with the BeOS version of Locker.
+//
+// bonefish:
+// * Removed `virtual' from destructor and FBC reserved space.
+// * Renamed to Locker.
+
+
+#ifndef	_OPENBEOS_LOCKER_H
+#define	_OPENBEOS_LOCKER_H
+
+
+#include <OS.h>
+#include <SupportDefs.h>
+
+namespace UserlandFSUtil {
+
+class Locker {
+public:
+	Locker();
+	Locker(const char *name);
+	Locker(bool benaphore_style);
+	Locker(const char *name, bool benaphore_style);
+	
+	// The following constructor is not documented in the BeBook
+	// and is only listed here to ensure binary compatibility.
+	// DO NOT USE THIS CONSTRUCTOR!
+	Locker(const char *name, bool benaphore_style, bool);
+
+	~Locker();
+
+	bool Lock(void);
+	status_t LockWithTimeout(bigtime_t timeout);
+	void Unlock(void);
+
+	thread_id LockingThread(void) const;
+	bool IsLocked(void) const;
+	int32 CountLocks(void) const;
+	int32 CountLockRequests(void) const;
+	sem_id Sem(void) const;
+
+private:
+	void InitLocker(const char *name, bool benaphore_style);
+	bool AcquireLock(bigtime_t timeout, status_t *error);
+
+	int32 fBenaphoreCount;
+	sem_id fSemaphoreID;
+	thread_id fLockOwner;
+	int32 fRecursiveCount;
+};
+
+} // namespace UserlandFSUtil
+
+using UserlandFSUtil::Locker;
+
+#endif // _OPENBEOS_LOCKER_H