Helper type for guarding a FileLock. More...

#include <FileLock.hxx>

Public Member Functions
	FileLockGuard (FileDescriptor fd, const FileLock &lock)

Protected Attributes
FileDescriptor	m_fd

FileLock	m_lock

Detailed Description

Helper type for guarding a FileLock.

This guard covers the typical use of FileLock: Using blocking waits for open file description locks. The concrete lock type and range is selected at construction time. Ad destruction time a corresponding unlock operation is carried out.

Definition at line 149 of file FileLock.hxx.

Constructor & Destructor Documentation

◆ FileLockGuard()

cosmos::FileLockGuard::FileLockGuard	(	FileDescriptor	fd,
		const FileLock &	lock )

Definition at line 7 of file FileLock.cxx.

                                                                    :
                m_fd{fd}, m_lock{lock} {
        if (lock.type() == FileLock::Type::UNLOCK) {
                cosmos_throw (UsageError("Cannot combine UNLOCK operation with FileLockGuard"));
        }
        m_fd.setOFDLockWait(m_lock);
}

◆ ~FileLockGuard()

cosmos::FileLockGuard::~FileLockGuard ( )

inline

Definition at line 153 of file FileLock.hxx.

                         {
                m_lock.setType(FileLock::Type::UNLOCK);
                m_fd.setOFDLockWait(m_lock);
        }

Member Data Documentation

◆ m_fd

FileDescriptor cosmos::FileLockGuard::m_fd

protected

Definition at line 160 of file FileLock.hxx.

◆ m_lock

FileLock cosmos::FileLockGuard::m_lock

protected

Definition at line 161 of file FileLock.hxx.

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

include/fs/FileLock.hxx
src/fs/FileLock.cxx

Public Member Functions