diff options
Diffstat (limited to 'contrib/bind9/lib/isc/quota.c')
-rw-r--r-- | contrib/bind9/lib/isc/quota.c | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/contrib/bind9/lib/isc/quota.c b/contrib/bind9/lib/isc/quota.c deleted file mode 100644 index 9290167..0000000 --- a/contrib/bind9/lib/isc/quota.c +++ /dev/null @@ -1,101 +0,0 @@ -/* - * Copyright (C) 2004, 2005 Internet Systems Consortium, Inc. ("ISC") - * Copyright (C) 2000, 2001 Internet Software Consortium. - * - * 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 ISC DISCLAIMS ALL WARRANTIES WITH - * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY - * AND FITNESS. IN NO EVENT SHALL ISC 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. - */ - -/* $Id: quota.c,v 1.13.18.3 2005/07/27 02:44:21 marka Exp $ */ - -/*! \file */ - -#include <config.h> - -#include <stddef.h> - -#include <isc/quota.h> -#include <isc/util.h> - -isc_result_t -isc_quota_init(isc_quota_t *quota, int max) { - quota->max = max; - quota->used = 0; - quota->soft = 0; - return (isc_mutex_init("a->lock)); -} - -void -isc_quota_destroy(isc_quota_t *quota) { - INSIST(quota->used == 0); - quota->max = 0; - quota->used = 0; - quota->soft = 0; - DESTROYLOCK("a->lock); -} - -void -isc_quota_soft(isc_quota_t *quota, int soft) { - LOCK("a->lock); - quota->soft = soft; - UNLOCK("a->lock); -} - -void -isc_quota_max(isc_quota_t *quota, int max) { - LOCK("a->lock); - quota->max = max; - UNLOCK("a->lock); -} - -isc_result_t -isc_quota_reserve(isc_quota_t *quota) { - isc_result_t result; - LOCK("a->lock); - if (quota->max == 0 || quota->used < quota->max) { - if (quota->soft == 0 || quota->used < quota->soft) - result = ISC_R_SUCCESS; - else - result = ISC_R_SOFTQUOTA; - quota->used++; - } else - result = ISC_R_QUOTA; - UNLOCK("a->lock); - return (result); -} - -void -isc_quota_release(isc_quota_t *quota) { - LOCK("a->lock); - INSIST(quota->used > 0); - quota->used--; - UNLOCK("a->lock); -} - -isc_result_t -isc_quota_attach(isc_quota_t *quota, isc_quota_t **p) -{ - isc_result_t result; - INSIST(p != NULL && *p == NULL); - result = isc_quota_reserve(quota); - if (result == ISC_R_SUCCESS || result == ISC_R_SOFTQUOTA) - *p = quota; - return (result); -} - -void -isc_quota_detach(isc_quota_t **p) -{ - INSIST(p != NULL && *p != NULL); - isc_quota_release(*p); - *p = NULL; -} |