Public Member Functions
	WvLockFile (WvStringParm _lockname)

bool	isok ()
	Check to make sure no lock is established or that it's owned by us.

bool	lock ()
	Creates the lockfile with the current pid.

bool	unlock ()
	Removes the lockfile if present.

pid_t	readpid ()
	Returns one of three things: -1 if the lockfile exists, but is inaccessible.

	WvLockFile (WvStringParm _lockname)

bool	isok ()
	Check to make sure no lock is established or that it's owned by us.

bool	lock ()
	Creates the lockfile with the current pid.

bool	unlock ()
	Removes the lockfile if present.

pid_t	readpid ()
	Returns one of three things: -1 if the lockfile exists, but is inaccessible.

Protected Attributes
WvString	lockname

Detailed Description

Definition at line 14 of file debian/libwvstreams-dev/usr/include/wvstreams/wvlockfile.h.

Constructor & Destructor Documentation

◆ WvLockFile()

WvLockFile::WvLockFile ( WvStringParm _lockname )

Definition at line 13 of file wvlockfile.cc.

Member Function Documentation

◆ isok()

bool WvLockFile::isok ( )

Check to make sure no lock is established or that it's owned by us.

Definition at line 20 of file wvlockfile.cc.

References readpid().

Referenced by lock(), and unlock().

◆ lock() [1/2]

bool WvLockFile::lock ( )

Creates the lockfile with the current pid.

Returns success/failure.

Definition at line 27 of file wvlockfile.cc.

References isok(), and lock().

Referenced by lock(), and readpid().

◆ unlock() [1/2]

bool WvLockFile::unlock ( )

Removes the lockfile if present.

If there's no lockfile after, returns true, otherwise false.

Definition at line 41 of file wvlockfile.cc.

References isok(), and readpid().

◆ readpid() [1/2]

pid_t WvLockFile::readpid ( )

Returns one of three things: -1 if the lockfile exists, but is inaccessible.

0 if there is no lockfile, or the process is not running. >0 The pid of the known-running process that owns the lock.

Definition at line 52 of file wvlockfile.cc.

References lock().

Referenced by isok(), and unlock().

◆ lock() [2/2]

bool WvLockFile::lock ( )

Creates the lockfile with the current pid.

Returns success/failure.

◆ unlock() [2/2]

bool WvLockFile::unlock ( )

Removes the lockfile if present.

If there's no lockfile after, returns true, otherwise false.

◆ readpid() [2/2]

pid_t WvLockFile::readpid ( )

Returns one of three things: -1 if the lockfile exists, but is inaccessible.

0 if there is no lockfile, or the process is not running. >0 The pid of the known-running process that owns the lock.

Member Data Documentation

◆ lockname

WvString WvLockFile::lockname

protected

Definition at line 40 of file debian/libwvstreams-dev/usr/include/wvstreams/wvlockfile.h.

The documentation for this class was generated from the following files:

Public Member Functions

Protected Attributes