maintains an exclusive blocking file-based lock More...

#include <certificate_db.h>

Collaboration diagram for Ssl::Lock:

Public Member Functions
	Lock (std::string const &filename)
	creates an unlocked lock

	~Lock ()
	releases the lock if it is locked

void	lock ()
	locks the lock, may block

void	unlock ()
	unlocks locked lock or throws

bool	locked () const
	whether our lock is locked

const char *	name () const

Private Attributes
std::string	filename

int	fd
	Linux file descriptor.

Detailed Description

Definition at line 20 of file certificate_db.h.

Constructor & Destructor Documentation

◆ Lock()

Lock::Lock ( std::string const & filename )

explicit

Definition at line 30 of file certificate_db.cc.

◆ ~Lock()

Lock::~Lock ( )

Definition at line 94 of file certificate_db.cc.

Member Function Documentation

◆ lock()

void Lock::lock ( )

Definition at line 49 of file certificate_db.cc.

References Here, ToSBuf(), and xopen().

Referenced by Ssl::Locker::Locker().

◆ locked()

bool Lock::locked ( ) const

Definition at line 40 of file certificate_db.cc.

Referenced by Ssl::Locker::Locker().

◆ name()

const char * Ssl::Lock::name ( ) const

inline

Definition at line 28 of file certificate_db.h.

References filename.

◆ unlock()

void Lock::unlock ( )

Definition at line 71 of file certificate_db.cc.

References Here, ToSBuf(), and xclose().

Member Data Documentation

◆ fd

int Ssl::Lock::fd

private

Definition at line 34 of file certificate_db.h.

◆ filename

std::string Ssl::Lock::filename