#include <sbuild-lock.h>
Inheritance diagram for sbuild::file_lock:
Public Member Functions | |
file_lock (int fd) | |
The constructor. | |
virtual | ~file_lock () |
The destructor. | |
virtual void | set_lock (lock::type lock_type, unsigned int timeout) |
Acquire a lock. | |
virtual void | unset_lock () |
Release a lock. | |
Private Attributes | |
int | fd |
The file descriptor to lock. |
Simple whole-file shared and exclusive advisory locking based upon POSIX fcntl byte region locks.
file_lock::file_lock | ( | int | fd | ) |
The constructor.
fd | the file descriptor to lock. |
file_lock::~file_lock | ( | ) | [virtual] |
The destructor.
void file_lock::set_lock | ( | lock::type | lock_type, | |
unsigned int | timeout | |||
) | [virtual] |
Acquire a lock.
lock_type | the type of lock to acquire. | |
timeout | the time in seconds to wait on the lock. |
Implements sbuild::lock.
void file_lock::unset_lock | ( | ) | [virtual] |
Release a lock.
This is equivalent to set_lock with a lock_type of LOCK_NONE and a timeout of 0.
Implements sbuild::lock.
int sbuild::file_lock::fd [private] |
The file descriptor to lock.