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#ifndef WIBBLE_SYS_FILELOCK_H
#define WIBBLE_SYS_FILELOCK_H
#include <wibble/sys/macros.h>
#ifdef POSIX
#include <fcntl.h>
namespace wibble {
namespace sys {
namespace fs {
/**
* RAII fcntl advisory file lock
*
* See fcntl(2) for details.
*/
struct FileLock
{
int fd;
struct flock lock;
/**
* Create the lockfile with the given name.
*
* \a lock will be initialised with the parameters and used to unlock
* in the destructor. Please feel free to change the contents of the \a
* lock structure if you need a different part to be unlocked.
*
* @param write
* If false, use a read lock, else a write lock.
*/
FileLock(int fd, short l_type, short l_whence=SEEK_SET, off_t l_start=0, off_t l_len=0);
/**
* Unlocks using the values in \a lock
*/
~FileLock();
private:
// Disallow copying
FileLock(const FileLock&);
FileLock& operator=(const FileLock&);
};
}
}
}
// vim:set ts=4 sw=4:
#endif
#endif
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