diff options
Diffstat (limited to 'libkdegames/highscore/kfilelock.cpp')
-rw-r--r-- | libkdegames/highscore/kfilelock.cpp | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/libkdegames/highscore/kfilelock.cpp b/libkdegames/highscore/kfilelock.cpp deleted file mode 100644 index 7dc83b96..00000000 --- a/libkdegames/highscore/kfilelock.cpp +++ /dev/null @@ -1,88 +0,0 @@ -/* - This file is part of the KDE games library - Copyright (C) 2003 Nicolas Hadacek <[email protected]> - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public - License version 2 as published by the Free Software Foundation. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public License - along with this library; see the file COPYING.LIB. If not, write to - the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, - Boston, MA 02110-1301, USA. -*/ - -#include "kfilelock.h" - -#include <unistd.h> -#include <sys/file.h> -#include <errno.h> - -#include <kdebug.h> - - -KFileLock::KFileLock(int fd) - : _fd(fd), _locked(false) -{} - -int KFileLock::lock() -{ - kdDebug(11002) << "lock fd=" << _fd << endl; -#ifdef F_SETLK -# ifndef SEEK_SET -# define SEEK_SET 0 -# endif - struct flock lock_data; - lock_data.l_type = F_WRLCK; - lock_data.l_whence = SEEK_SET; - lock_data.l_start = lock_data.l_len = 0; - if ( fcntl(_fd, F_SETLK, &lock_data)==-1 ) { - if ( errno==EAGAIN ) return -2; - return -1; - } -#else -# ifdef LOCK_EX - if ( flock (_fd, LOCK_EX|LOCK_NB)==-1 ) { - if ( errno==EWOULDBLOCK ) return -2; - return -1; - } -# else - if ( lockf(_fd, F_TLOCK, 0)==-1 ) { - if ( errno==EACCES ) return -2; - return -1; - } -# endif -#endif - _locked = true; - return 0; -} - -KFileLock::~KFileLock() -{ - unlock(); -} - -void KFileLock::unlock() -{ - if ( !_locked ) return; - kdDebug(11002) << "unlock" << endl; -# ifdef F_SETLK - struct flock lock_data; - lock_data.l_type = F_UNLCK; - lock_data.l_whence = SEEK_SET; - lock_data.l_start = lock_data.l_len = 0; - (void)fcntl(_fd, F_SETLK, &lock_data); -# else -# ifdef F_ULOCK - lockf(_fd, F_ULOCK, 0); -# else - flock(_fd, LOCK_UN); -# endif -# endif - _locked = false; -} |