1 /*** 2 This file is part of PulseAudio. 3 4 Copyright 2004-2006 Lennart Poettering 5 Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB 6 7 PulseAudio is free software; you can redistribute it and/or modify 8 it under the terms of the GNU Lesser General Public License as published 9 by the Free Software Foundation; either version 2.1 of the License, 10 or (at your option) any later version. 11 12 PulseAudio is distributed in the hope that it will be useful, but 13 WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 General Public License for more details. 16 17 You should have received a copy of the GNU Lesser General Public License 18 along with PulseAudio; if not, see <http://www.gnu.org/licenses/>. 19 ***/ 20 21 #ifdef HAVE_CONFIG_H 22 #include <config.h> 23 #endif 24 25 #include "object.h" 26 27 const char pa_object_type_id[] = "pa_object"; 28 pa_object_new_internal(size_t size,const char * type_id,bool (* check_type)(const char * type_id))29pa_object *pa_object_new_internal(size_t size, const char *type_id, bool (*check_type)(const char *type_id)) { 30 pa_object *o; 31 32 pa_assert(size > sizeof(pa_object)); 33 pa_assert(type_id); 34 35 if (!check_type) 36 check_type = pa_object_check_type; 37 38 pa_assert(check_type(type_id)); 39 pa_assert(check_type(pa_object_type_id)); 40 41 o = pa_xmalloc0(size); 42 PA_REFCNT_INIT(o); 43 o->type_id = type_id; 44 o->free = pa_object_free; 45 o->check_type = check_type; 46 47 return o; 48 } 49 pa_object_ref(pa_object * o)50pa_object *pa_object_ref(pa_object *o) { 51 pa_object_assert_ref(o); 52 53 PA_REFCNT_INC(o); 54 return o; 55 } 56 pa_object_unref(pa_object * o)57void pa_object_unref(pa_object *o) { 58 pa_object_assert_ref(o); 59 60 if (PA_REFCNT_DEC(o) <= 0) { 61 pa_assert(o->free); 62 o->free(o); 63 } 64 } 65 pa_object_check_type(const char * type_id)66bool pa_object_check_type(const char *type_id) { 67 pa_assert(type_id); 68 69 return type_id == pa_object_type_id; 70 } 71