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Colin Walters authored
Will be used by OSTree to lock the sysroot against concurrent manipulation. Taken from current systemd git master, tweaked to GLibify.
Colin Walters authoredWill be used by OSTree to lock the sysroot against concurrent manipulation. Taken from current systemd git master, tweaked to GLibify.
glnx-lockfile.h 1.29 KiB
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
#pragma once
/***
This file is part of systemd.
Copyright 2011 Lennart Poettering
Copyright 2015 Colin Walters <walters@verbum.org>
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include "config.h"
#include "glnx-backport-autoptr.h"
typedef struct GLnxLockFile {
int dfd;
char *path;
int fd;
int operation;
} GLnxLockFile;
gboolean glnx_make_lock_file(int dfd, const char *p, int operation, GLnxLockFile *ret, GError **error);
void glnx_release_lock_file(GLnxLockFile *f);
G_DEFINE_AUTO_CLEANUP_CLEAR_FUNC(GLnxLockFile, glnx_release_lock_file)
#define GLNX_LOCK_FILE_INIT { .fd = -1, .dfd = AT_FDCWD, .path = NULL }