#pragma once

#include "types.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. */
int 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;
    list<FDPair> fds;
    bool deletePaths;

public:
    PathLocks();
    PathLocks(const PathSet & paths,
        const string & waitMsg = "");
    bool lockPaths(const PathSet & _paths,
        const string & waitMsg = "",
        bool wait = true);
    ~PathLocks();
    void unlock();
    void setDeletion(bool deletePaths);
};


bool pathIsLockedByMe(const Path & path);


}
ect> <input type='submit' value='switch'/></form></td></tr>
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<div class='path'>path: <a href='/guix/log/?id=3f62fa2b8180afd8dafd9e38cc34bcba9beab871&amp;showmsg=1'>root</a>/<a href='/guix/log/gnu?id=3f62fa2b8180afd8dafd9e38cc34bcba9beab871&amp;showmsg=1'>gnu</a>/<a href='/guix/log/gnu/packages?id=3f62fa2b8180afd8dafd9e38cc34bcba9beab871&amp;showmsg=1'>packages</a>/<a href='/guix/log/gnu/packages/dillo.scm?id=3f62fa2b8180afd8dafd9e38cc34bcba9beab871&amp;showmsg=1'>dillo.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/packages/dillo.scm?id=3f62fa2b8180afd8dafd9e38cc34bcba9beab871'>Collapse</a>)</th><th class='left'>Author</th></tr>
<tr class='logheader'><td><span title='2016-05-19 11:42:03 +0300'>2016-05-19</span></td><td class='logsubject'><a href='/guix/commit/gnu/packages/dillo.scm?id=21f05134fc35edf5a15baf4fdb2e62905f3848e9'>Update name for Kei Kebreau.</a></td><td>Kei Kebreau</td></tr>
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* .mailmap: Add Kei Kebreau.
* gnu/local.mk: Replace "Kei Yamashita" with "Kei Kebreau".
* gnu/packages/calendar.scm: Likewise.
* gnu/packages/dillo.scm: Likewise.
* gnu/packages/fltk.scm: Likewise.
* gnu/packages/game-development.scm: Likewise.
* gnu/packages/games.scm: Likewise.
* gnu/packages/gnome.scm: Likewise.
* gnu/packages/gtk.scm: Likewise.
* gnu/packages/music.scm: Likewise.
* gnu/packages/xfce.scm: Likewise.

Signed-off-by: Alex Kost &lt;alezost@gmail.com&gt;


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<tr class='logheader'><td><span title='2016-04-18 15:45:41 -0400'>2016-04-18</span></td><td class='logsubject'><a href='/guix/commit/gnu/packages/dillo.scm?id=c21a25627241468cb3181dc50c5abfd205bca05d'>gnu: Add dillo.</a></td><td>Kei Yamashita</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* gnu/packages/dillo.scm: New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add it.

Signed-off-by: Leo Famulari &lt;leo@famulari.name&gt;


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