ReadLock Class Reference

Advisory file lock for shared access. More...

#include <cc/FileLock>

Inheritance diagram for ReadLock:

Public Member Functions
	ReadLock (const File &file, long long start=0, long long length=0, Seek whence=Seek::Begin)
	Create a shared file lock for a file area.
	ReadLock (const File &file, long long start=0, Seek whence=Seek::Begin)
	Create a shared file lock for a file area.
Public Member Functions inherited from FileLock
	FileLock (const File &file, FileContention type, long long start=0, long long length=0, Seek whence=Seek::Begin)
	Create an advisory file lock for a file area.
	FileLock (const File &file, FileContention type, long long start, Seek whence=Seek::Begin)
	Create an advisory file lock for a file area.
bool	tryAcquire ()
	Try to acquire the file lock.
void	acquire ()
	Wait and acquire lock.
void	release ()
	Release lock.

Detailed Description

Advisory file lock for shared access.

Constructor & Destructor Documentation

ReadLock() [1/2]

ReadLock ( const File & file, long long start = 0, long long length = 0, Seek whence = Seek::Begin )

explicit

Create a shared file lock for a file area.

Parameters

file	File to lock
start	Start offset of the file area
length	Length of the file area
whence	Interpretation of start offset

ReadLock() [2/2]

ReadLock ( const File & file, long long start = 0, Seek whence = Seek::Begin )

explicit

Create a shared file lock for a file area.

Parameters

file	File to lock
start	Start offset of the file area
whence	Interpretation of start offset