Mercurial > trustbridge
view common/linuxlockfile.h @ 855:e4cf249ba1a6
Use most xcb libraries statically
author | Andre Heinecke <andre.heinecke@intevation.de> |
---|---|
date | Wed, 30 Jul 2014 18:47:39 +0200 |
parents | 20ca94680003 |
children | 78798d3af8f0 |
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/** * @file linuxlockfile.h * @brief Linux specific functions for lock file handling. * @details Functions to handle procsss specific lock files, these are * only used on GNU Linux as on windows different mechanisms are * utilized to ensure only a single instance runs at a time. */ #ifndef LINUXLOCKFILE_H #define LINUXLOCKFILE_H #ifdef __cplusplus extern "C" { #endif /** * @brief create a lockfile * @details create and lock a lockfile containing the pid of the * current process. fcntl is used for locking, to work in most cases * (e.g. NFS). * @param[in] path to the lockfile * @returns the file descriptor of the lockfile or -1 on error */ int open_lockfile(char *path); /** * @brief close a lockfile * @details unlock and close a lockfile for the given file descriptor. * @param[in] path to the lockfile * @returns the file descriptor of the lockfile or -1 on error */ void close_lockfile(int fd); #ifdef __cplusplus } #endif #endif