2 * Copyright (C) 2004, 2006 Internet Systems Consortium, Inc. ("ISC")
3 * Copyright (C) 1999-2001 Internet Software Consortium.
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
10 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
11 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
12 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
13 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
14 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
15 * PERFORMANCE OF THIS SOFTWARE.
18 /* $Id: taskpool.c,v 1.10.12.5 2006/01/04 23:50:21 marka Exp $ */
23 #include <isc/taskpool.h>
40 isc_taskpool_create(isc_taskmgr_t *tmgr, isc_mem_t *mctx,
41 unsigned int ntasks, unsigned int quantum,
42 isc_taskpool_t **poolp)
49 pool = isc_mem_get(mctx, sizeof(*pool));
51 return (ISC_R_NOMEMORY);
53 pool->ntasks = ntasks;
54 pool->tasks = isc_mem_get(mctx, ntasks * sizeof(isc_task_t *));
55 if (pool->tasks == NULL) {
56 isc_mem_put(mctx, pool, sizeof(*pool));
57 return (ISC_R_NOMEMORY);
59 for (i = 0; i < ntasks; i++)
60 pool->tasks[i] = NULL;
61 for (i = 0; i < ntasks; i++) {
62 result = isc_task_create(tmgr, quantum, &pool->tasks[i]);
63 if (result != ISC_R_SUCCESS) {
64 isc_taskpool_destroy(&pool);
69 return (ISC_R_SUCCESS);
72 void isc_taskpool_gettask(isc_taskpool_t *pool, unsigned int hash,
75 isc_task_attach(pool->tasks[hash % pool->ntasks], targetp);
79 isc_taskpool_destroy(isc_taskpool_t **poolp) {
81 isc_taskpool_t *pool = *poolp;
82 for (i = 0; i < pool->ntasks; i++) {
83 if (pool->tasks[i] != NULL) {
84 isc_task_detach(&pool->tasks[i]);
87 isc_mem_put(pool->mctx, pool->tasks,
88 pool->ntasks * sizeof(isc_task_t *));
89 isc_mem_put(pool->mctx, pool, sizeof(*pool));