/usr/include/OpenIPMI/internal/ipmi_locks.h is in libopenipmi-dev 2.0.16-1.4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 | /*
* ipmi_locks.h
*
* MontaVista IPMI locking abstraction
*
* Author: MontaVista Software, Inc.
* Corey Minyard <minyard@mvista.com>
* source@mvista.com
*
* Copyright 2002,2003,2004,2005 MontaVista Software Inc.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* Lesser General Public License (GPL) Version 2 or the modified BSD
* license below. The following disclamer applies to both licenses:
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* GNU Lesser General Public Licence
*
* This program 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 of
* the License, or (at your option) any later version.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* Modified BSD Licence
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*/
#ifndef _IPMI_LOCKS_H
#define _IPMI_LOCKS_H
#include <OpenIPMI/os_handler.h>
/* This is a generic lock used by the IPMI code. */
typedef struct ipmi_lock_s ipmi_lock_t;
/* Create a lock but us your own OS handlers. */
int ipmi_create_lock_os_hnd(os_handler_t *os_hnd, ipmi_lock_t **lock);
/* Destroy a lock. */
void ipmi_destroy_lock(ipmi_lock_t *lock);
/* Lock the lock. Locks are recursive, so the same thread can claim
the same lock multiple times, and must release it the same number
of times. */
void ipmi_lock(ipmi_lock_t *lock);
/* Release the lock. */
void ipmi_unlock(ipmi_lock_t *lock);
/* Like the above locks, but read/write locks. */
typedef struct ipmi_rwlock_s ipmi_rwlock_t;
int ipmi_create_rwlock_os_hnd(os_handler_t *os_hnd, ipmi_rwlock_t **new_lock);
void ipmi_destroy_rwlock(ipmi_rwlock_t *lock);
void ipmi_rwlock_read_lock(ipmi_rwlock_t *lock);
void ipmi_rwlock_read_unlock(ipmi_rwlock_t *lock);
void ipmi_rwlock_write_lock(ipmi_rwlock_t *lock);
void ipmi_rwlock_write_unlock(ipmi_rwlock_t *lock);
#endif /* _IPMI_LOCKS_H */
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