69b5f0b657
Change-Id: I5f184f93dbdb414514855c85c9dc1624e7ec8636 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/131337 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
72 lines
2.2 KiB
C
72 lines
2.2 KiB
C
/*
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* Copyright (C) 1999 Miquel van Smoorenburg
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*
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* This library is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* On Debian GNU/Linux systems, the complete text of the GNU Library
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* General Public License can be found in `/usr/doc/copyright/LGPL'.
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* You can also find a copy on the GNU website at http://www.gnu.org/
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*/
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#ifndef LOCKFILE_H_
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#define LOCKFILE_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* Prototypes.
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*/
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int lockfile_create(const char *lockfile, int retries, int flags);
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int lockfile_remove(const char *lockfile);
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int lockfile_touch(const char *lockfile);
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int lockfile_check(const char *lockfile, int flags);
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/*
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* Return values for lockfile_create()
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*/
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#define L_SUCCESS 0 /* Lockfile created */
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#define L_NAMELEN 1 /* Recipient name too long */
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#define L_TMPLOCK 2 /* Error creating temp lockfile */
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#define L_TMPWRITE 3 /* Can't write pid into temp lockfile */
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#define L_MAXTRYS 4 /* Failed after max. number of attempts */
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#define L_ERROR 5 /* Unknown error; check errno */
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#define L_MANLOCK 6 /* Cannot set mandatory lock on tempfile */
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#define L_ORPHANED 7 /* Called with L_PPID but parent is gone */
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#define L_RMSTALE 8 /* Failed to remove stale lockfile */
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/*
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* Flag values for lockfile_create()
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*/
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#define L_PID 16 /* Put PID in lockfile */
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#define L_PPID 32 /* Put PPID in lockfile */
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/*
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* Experimental.
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*/
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struct lockargs_s_ {
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int interval; /* Static interval between retries */
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};
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#define L_INTERVAL_D_ 64 /* Specify consistent retry interval */
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#ifdef LOCKFILE_EXPERIMENTAL
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#define lockargs lockargs_s_
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#define L_INTERVAL L_INTERVAL_D_
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int lockfile_create2(const char *lockfile, int retries,
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int flags, struct lockargs *args, int args_sz);
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#endif
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#ifndef LIB
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int check_sleep(int, int);
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#endif
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int is_maillock(const char *lockfile);
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int lockfile_create_set_tmplock(const char *lockfile, volatile char **tmplock,
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int retries, int flags, const struct lockargs_s_ *);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _LOCKFILE_H */
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