diff options
Diffstat (limited to 'third_party/nix/src/libstore/pathlocks.hh')
-rw-r--r-- | third_party/nix/src/libstore/pathlocks.hh | 35 |
1 files changed, 0 insertions, 35 deletions
diff --git a/third_party/nix/src/libstore/pathlocks.hh b/third_party/nix/src/libstore/pathlocks.hh deleted file mode 100644 index d515963e76e9..000000000000 --- a/third_party/nix/src/libstore/pathlocks.hh +++ /dev/null @@ -1,35 +0,0 @@ -#pragma once - -#include "libutil/util.hh" - -namespace nix { - -/* Open (possibly create) a lock file and return the file descriptor. - -1 is returned if create is false and the lock could not be opened - because it doesn't exist. Any other error throws an exception. */ -AutoCloseFD openLockFile(const Path& path, bool create); - -/* Delete an open lock file. */ -void deleteLockFile(const Path& path, int fd); - -enum LockType { ltRead, ltWrite, ltNone }; - -bool lockFile(int fd, LockType lockType, bool wait); - -class PathLocks { - private: - typedef std::pair<int, Path> FDPair; - std::list<FDPair> fds; - bool deletePaths; - - public: - PathLocks(); - PathLocks(const PathSet& paths, const std::string& waitMsg = ""); - bool lockPaths(const PathSet& _paths, const std::string& waitMsg = "", - bool wait = true); - ~PathLocks(); - void unlock(); - void setDeletion(bool deletePaths); -}; - -} // namespace nix |