forked from sipwise/kamailio
/
lock_ops.c
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/
lock_ops.c
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/*
* $Id$
*
* Copyright (C) 2007 iptelorg GmbH
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* lock operations init
*/
/*
* History:
* --------
* 2007-05-14 created by andrei
*/
/*!
* \file
* \brief SIP-router core ::
* \ingroup core
*
* Module: \ref core
*
* Reference:
* - \ref LockingDoc
*/
/*!
* \page LockingDoc Documentation of locking
* \verbinclude locking.txt
*
*/
#include "ut.h"
#include "dprint.h"
#include "lock_ops.h"
/* returns 0 on success, -1 on error */
int init_lock_ops(void)
{
#ifdef USE_FUTEX
int os_ver;
os_ver=get_sys_version(0, 0, 0);
if (os_ver < 0x020546 ){ /* if ver < 2.5.70 */
LOG(L_CRIT, "ERROR: init_lock_ops: old kernel:"
" compiled with FUTEX support which is not present in the"
" running kernel (try 2.6+)\n");
return -1;
}
#endif
return 0;
}
void destroy_lock_ops(void)
{
}