ma.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 1992-2003 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include "libaio.h"
/*
* Allocate a worker control block.
* We just use malloc(), like everywhere else in libaio.
* A more sophisticated allocator could be used, but oh well...
*/
aio_worker_t *
_aio_alloc_worker()
{
aio_worker_t *aiowp;
aiowp = malloc(sizeof (aio_worker_t));
if (aiowp != NULL) {
(void) memset(aiowp, 0, sizeof (aio_worker_t));
(void) mutex_init(&aiowp->work_qlock1, USYNC_THREAD, NULL);
(void) mutex_init(&aiowp->work_lock, USYNC_THREAD, NULL);
(void) cond_init(&aiowp->work_idle_cv, USYNC_THREAD, NULL);
}
return (aiowp);
}
/*
* Free a worker control block.
* Declared with void *arg so it can be a thr_keycreate() destructor.
*/
void
_aio_free_worker(void *arg)
{
free(arg);
}