KLockFile Class Reference
The KLockFile class provides NFS safe lockfiles. More...
#include <klockfile.h>
Inheritance diagram for KLockFile:

Public Types | |
typedef KSharedPtr< KLockFile > | Ptr |
enum | LockResult { LockOK = 0, LockFail, LockError, LockStale } |
enum | LockOptions { LockNoBlock = 1, LockForce = 2 } |
Public Member Functions | |
KLockFile (const QString &file) | |
~KLockFile () | |
LockResult | lock (int options=0) |
bool | isLocked () const |
void | unlock () |
int | staleTime () const |
void | setStaleTime (int _staleTime) |
bool | getLockInfo (int &pid, QString &hostname, QString &appname) |
Detailed Description
The KLockFile class provides NFS safe lockfiles.
- Author:
- Waldo Bastian <bastian@kde.org>
- Since:
- 3.3
Definition at line 33 of file klockfile.h.
Member Enumeration Documentation
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Possible return values of the lock function.
Definition at line 48 of file klockfile.h. |
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Definition at line 70 of file klockfile.h. |
Constructor & Destructor Documentation
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Destroys the object, releasing the lock if held.
Definition at line 75 of file klockfile.cpp. References unlock(). |
Member Function Documentation
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Attempt to acquire the lock.
Definition at line 240 of file klockfile.cpp. References QTextStream::atEnd(), LockError, LockFail, LockForce, LockNoBlock, LockOK, LockStale, QFile::open(), KApplication::random(), and QTextStream::readLine(). |
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Returns whether the lock is held or not.
Definition at line 354 of file klockfile.cpp. |
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Release the lock.
Definition at line 359 of file klockfile.cpp. References QFile::encodeName(). Referenced by ~KLockFile(). |
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Return the time in seconds after which a lock is considered stale The default is 30.
Definition at line 82 of file klockfile.cpp. |
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Set the time in seconds after which a lock is considered stale.
Definition at line 89 of file klockfile.cpp. |
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Returns the pid, hostname and appname of the process holding the lock after the lock functon has returned with LockStale.
Definition at line 368 of file klockfile.cpp. |
The documentation for this class was generated from the following files: