/contrib/bind9/lib/isc/refcount.c
https://bitbucket.org/freebsd/freebsd-head/ · C · 37 lines · 15 code · 6 blank · 16 comment · 2 complexity · cc924479fff0aacb9fdd61d4b859c491 MD5 · raw file
- /*
- * Copyright (C) 2005, 2007 Internet Systems Consortium, Inc. ("ISC")
- *
- * Permission to use, copy, modify, and/or 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: refcount.c,v 1.5 2007/06/19 23:47:17 tbox Exp $ */
- #include <config.h>
- #include <stddef.h>
- #include <isc/mutex.h>
- #include <isc/refcount.h>
- #include <isc/result.h>
- isc_result_t
- isc_refcount_init(isc_refcount_t *ref, unsigned int n) {
- REQUIRE(ref != NULL);
- ref->refs = n;
- #if defined(ISC_PLATFORM_USETHREADS) && !defined(ISC_PLATFORM_HAVEXADD)
- return (isc_mutex_init(&ref->lock));
- #else
- return (ISC_R_SUCCESS);
- #endif
- }