#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);


}
r>
<tr><td class='sub'>Wojtek's customized Guix</td><td class='sub right'></td></tr></table>
<table class='tabs'><tr><td>
<a href='/guix/about/'>about</a><a href='/guix/'>summary</a><a href='/guix/refs/?id=6fd7e0cc6f4601f3add30e78cae007b909bd6b0c'>refs</a><a class='active' href='/guix/log/gnu/packages/check.scm'>log</a><a href='/guix/tree/gnu/packages/check.scm?id=6fd7e0cc6f4601f3add30e78cae007b909bd6b0c'>tree</a><a href='/guix/commit/gnu/packages/check.scm?id=6fd7e0cc6f4601f3add30e78cae007b909bd6b0c'>commit</a><a href='/guix/diff/gnu/packages/check.scm?id=6fd7e0cc6f4601f3add30e78cae007b909bd6b0c'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/packages/check.scm'>
<input type='hidden' name='id' value='6fd7e0cc6f4601f3add30e78cae007b909bd6b0c'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=6fd7e0cc6f4601f3add30e78cae007b909bd6b0c'>root</a>/<a href='/guix/log/gnu?id=6fd7e0cc6f4601f3add30e78cae007b909bd6b0c'>gnu</a>/<a href='/guix/log/gnu/packages?id=6fd7e0cc6f4601f3add30e78cae007b909bd6b0c'>packages</a>/<a href='/guix/log/gnu/packages/check.scm?id=6fd7e0cc6f4601f3add30e78cae007b909bd6b0c'>check.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/check.scm?id=6fd7e0cc6f4601f3add30e78cae007b909bd6b0c&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2019-07-02 20:14:23 +0200'>2019-07-02</span></td><td><a href='/guix/commit/gnu/packages/check.scm?id=30484be05d9e318e89e12f40a55c65766cec700a'>Merge branch 'master' into staging</a></td><td>Marius Bakke</td></tr>
<tr><td><span title='2019-07-01 12:08:08 +0200'>2019-07-01</span></td><td><a href='/guix/commit/gnu/packages/check.scm?id=037bef7db4f67b1f7df879f8e41a971308ce8128'>gnu: behave: Fix build.</a><span class='msg-avail'>...</span></td><td>Danny Milosavljevic</td></tr>
<tr><td><span title='2019-06-29 23:23:59 +0200'>2019-06-29</span></td><td><a href='/guix/commit/gnu/packages/check.scm?id=6e1f8d552b73e508bba47dedb5676ce5ccdcc398'>Merge branch 'master' into staging</a></td><td>Marius Bakke</td></tr>
<tr><td><span title='2019-06-24 13:25:28 +0200'>2019-06-24</span></td><td><a href='/guix/commit/gnu/packages/check.scm?id=57945dd70c7acd5b7e14db75df101e1978ab4a00'>gnu: znc: Switch back to Guix's googletest package.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2019-06-24 13:25:28 +0200'>2019-06-24</span></td><td><a href='/guix/commit/gnu/packages/check.scm?id=3b39f09fd99cd07543b904d11ea9b3463c38ecb7'>gnu: googletest: Update to 1.8.1.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2019-06-20 23:08:16 +0200'>2019-06-20</span></td><td><a href='/guix/commit/gnu/packages/check.scm?id=651478aa18a3f575d3b4cc14166a15a1c45b0f61'>Merge branch 'master' into staging</a></td><td>Marius Bakke</td></tr>
<tr><td><span title='2019-06-19 15:05:45 +0200'>2019-06-19</span></td><td><a href='/guix/commit/gnu/packages/check.scm?id=90afa80dd9f0e78a826c36b9bfa5f745e2290cd9'>gnu: Add python-pytest-timeout.</a><span class='msg-avail'>...</span></td><td>Ricardo Wurmus</td></tr>
<tr><td><span title='2019-06-18 15:32:56 +0200'>2019-06-18</span></td><td><a href='/guix/commit/gnu/packages/check.scm?id=4e24e442f2c9629edf08bef30ec98959da950189'>gnu: python-freezegun: Update to 0.3.12.</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2019-05-22 18:09:38 -0700'>2019-05-22</span></td><td><a href='/guix/commit/gnu/packages/check.scm?id=7fef0800b357f296c621dea7e1b21a5d42f8559b'>gnu: go-github.com-smartystreets-assertions: Fix typo "convenient".</a><span class='msg-avail'>...</span></td><td>Vagrant Cascadian</td></tr>
<tr><td><span title='2019-05-02 00:52:33 +0200'>2019-05-02</span></td><td><a href='/guix/commit/gnu/packages/check.scm?id=9bec3ba4ca31598106a8670aaa7a4cff224eef21'>gnu: python-flexmock: Update to 0.10.4.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2019-04-30 17:11:52 +0200'>2019-04-30</span></td><td><a href='/guix/commit/gnu/packages/check.scm?id=9b241d4ce200e09d34f15014446eb6bc5ed96f3e'>gnu: python-nose-timer: Update to 0.7.5.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2019-04-24 21:08:36 -0700'>2019-04-24</span></td><td><a href='/guix/commit/gnu/packages/check.scm?id=968e86bd930936d9f9ed0db299164018882cd5c1'>gnu: Add python-pyfakefs and python2-pyfakefs.</a><span class='msg-avail'>...</span></td><td>Chris Marusich</td></tr>
<tr><td><span title='2019-03-28 12:14:15 +0200'>2019-03-28</span></td><td><a href='/guix/commit/gnu/packages/check.scm?id=d5640c587f141ff60127848dc95528ca1a4f1b14'>gnu: googletest: Don't use unstable tarball.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2019-03-23 18:15:36 +0100'>2019-03-23</span></td><td><a href='/guix/commit/gnu/packages/check.scm?id=e57fb2852c8bf3bf20a4b49bfc1da43627c6afe3'>gnu: Add python-minimock.</a><span class='msg-avail'>...</span></td><td>Pierre Langlois</td></tr>
<tr><td><span title='2019-03-18 15:05:08 +0100'>2019-03-18</span></td><td><a href='/guix/commit/gnu/packages/check.scm?id=47956fa0c24efcdcba3493f0231c30e9a39ec7df'>Correct name and email address for ng0.</a><span class='msg-avail'>...</span></td><td>ng0</td></tr>
<tr><td><span title='2019-03-14 15:34:29 -0400'>2019-03-14</span></td><td><a href='/guix/commit/gnu/packages/check.scm?id=19ef857caa07762f8a3c3037f1265e2d194fe401'>gnu: go-gopkg.in-check.v1: Update to 0.0.0-1.788fd78.</a><span class='msg-avail'>...</span></td><td>Leo Famulari</td></tr>