#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);


}
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<div class='path'>path: <a href='/guix/log/?id=a236fbf00d79d42ec4d0642d80f6ec051c4a91ac&amp;showmsg=1'>root</a>/<a href='/guix/log/gnu?id=a236fbf00d79d42ec4d0642d80f6ec051c4a91ac&amp;showmsg=1'>gnu</a>/<a href='/guix/log/gnu/packages?id=a236fbf00d79d42ec4d0642d80f6ec051c4a91ac&amp;showmsg=1'>packages</a>/<a href='/guix/log/gnu/packages/java-graphics.scm?id=a236fbf00d79d42ec4d0642d80f6ec051c4a91ac&amp;showmsg=1'>java-graphics.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/java-graphics.scm?id=a236fbf00d79d42ec4d0642d80f6ec051c4a91ac'>Collapse</a>)</th><th class='left'>Author</th></tr>
<tr class='logheader'><td><span title='2024-04-06 00:41:49 +0200'>2024-04-06</span></td><td class='logsubject'><a href='/guix/commit/gnu/packages/java-graphics.scm?id=886ed061d7c57eb9d707b2af2c87402b86becf70'>gnu: java-flatlaf: Link library with libjawt.so.</a></td><td>Ricardo Wurmus</td></tr>
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* gnu/packages/java-graphics.scm (java-flatlaf)[arguments]: Add link options.

Change-Id: I2306e7ea4c2ca9f0f20eeca107b09fa41304a8df


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<tr class='logheader'><td><span title='2024-04-05 00:53:39 +0200'>2024-04-05</span></td><td class='logsubject'><a href='/guix/commit/gnu/packages/java-graphics.scm?id=903abee18d30a32ab16baa9ea9da7279275b0700'>gnu: Add java-flatlaf-intellij-themes.</a></td><td>Ricardo Wurmus</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* gnu/packages/java-graphics.scm (java-flatlaf-intellij-themes): New variable.

Change-Id: Ia6f47533dc37a5b4602971e3179fdd084b1af9f9


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<tr class='logheader'><td><span title='2024-04-05 00:53:39 +0200'>2024-04-05</span></td><td class='logsubject'><a href='/guix/commit/gnu/packages/java-graphics.scm?id=4d399729c84edb3261211d35caabd7486be195b6'>gnu: Add java-flatlaf.</a></td><td>Ricardo Wurmus</td></tr>
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* gnu/packages/java-graphics.scm (java-flatlaf): New variable.

Change-Id: Ic4dc70ea5279e8ce3d302539bddb1cefc105abfd


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<tr class='logheader'><td><span title='2024-04-05 00:53:17 +0200'>2024-04-05</span></td><td class='logsubject'><a href='/guix/commit/gnu/packages/java-graphics.scm?id=be1fdec1cb878fc376d72295017128437d8f5dcb'>gnu: java-marlin-renderer: Update to 0.9.4.8.</a></td><td>Ricardo Wurmus</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* gnu/packages/java-graphics.scm (java-marlin-renderer): Update to 0.9.4.8.
[arguments]: Include resources.

Change-Id: Icf4026ce3bda3c4ec7af1300c1194100f50016ba


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<tr class='logheader'><td><span title='2023-08-28 15:36:51 -0700'>2023-08-28</span></td><td class='logsubject'><a href='/guix/commit/gnu/packages/java-graphics.scm?id=541b1c3e74cbb7965b7398d342882a038c893fbb'>gnu: Add ditaa.</a></td><td>Frank Pursel</td></tr>
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* gnu/packages/java-graphics.scm (ditaa): New variable.

Signed-off-by: Vagrant Cascadian &lt;vagrant@debian.org&gt;


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<tr class='logheader'><td><span title='2021-12-13 17:48:25 +0100'>2021-12-13</span></td><td class='logsubject'><a href='/guix/commit/gnu/packages/java-graphics.scm?id=8394619baceb118df92e355377fd543bb1aa501a'>gnu: Simplify package inputs.</a></td><td>Ludovic Courtès</td></tr>
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This commit was obtained by running:

  ./pre-inst-env guix style

without any additional argument.


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