tvl-depot/src/libstore/pathlocks.hh
Eelco Dolstra 59682e6188 * Make lock removal safe by signalling to blocked processes that the
lock they are waiting on has become stale (we do this by writing a
  meaningless token to the unlinked file).
2005-01-27 12:19:25 +00:00

28 lines
480 B
C++

#ifndef __PATHLOCKS_H
#define __PATHLOCKS_H
#include "util.hh"
typedef enum LockType { ltRead, ltWrite, ltNone };
bool lockFile(int fd, LockType lockType, bool wait);
class PathLocks
{
private:
typedef pair<int, Path> FDPair;
list<FDPair> fds;
bool deletePaths;
public:
PathLocks();
PathLocks(const PathSet & paths);
void lockPaths(const PathSet & _paths);
~PathLocks();
void setDeletion(bool deletePaths);
};
#endif /* !__PATHLOCKS_H */