forked from osmocom/wireshark
93 lines
2.6 KiB
C
93 lines
2.6 KiB
C
/* wmem_user_cb.c
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* Wireshark Memory Manager User Callbacks
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* Copyright 2012, Evan Huus <eapache@gmail.com>
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*
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* $Id$
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "wmem_core.h"
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#include "wmem_allocator.h"
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#include "wmem_user_cb.h"
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#include "wmem_user_cb_int.h"
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typedef struct _wmem_user_cb_container_t {
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wmem_user_cb_t cb;
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void *user_data;
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struct _wmem_user_cb_container_t *next;
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} wmem_user_cb_container_t;
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void
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wmem_call_cleanup_callbacks(wmem_allocator_t *allocator, wmem_cb_event_t event)
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{
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wmem_user_cb_container_t **prev, *cur;
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gboolean again;
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prev = &(allocator->callbacks);
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cur = allocator->callbacks;
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while (cur) {
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/* call it */
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again = cur->cb(allocator, event, cur->user_data);
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/* if the callback requested deregistration, or this is being triggered
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* by the final destruction of the allocator, remove the callback */
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if (! again || event == WMEM_CB_DESTROY_EVENT) {
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*prev = cur->next;
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g_slice_free(wmem_user_cb_container_t, cur);
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cur = *prev;
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}
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else {
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prev = &(cur->next);
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cur = cur->next;
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}
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}
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}
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void
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wmem_register_cleanup_callback(wmem_allocator_t *allocator,
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wmem_user_cb_t callback, void *user_data)
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{
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wmem_user_cb_container_t *container;
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container = g_slice_new(wmem_user_cb_container_t);
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container->cb = callback;
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container->user_data = user_data;
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container->next = allocator->callbacks;
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allocator->callbacks = container;
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}
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/*
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* Editor modelines - http://www.wireshark.org/tools/modelines.html
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*
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* Local variables:
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* c-basic-offset: 4
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* tab-width: 8
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* indent-tabs-mode: nil
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* End:
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*
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* vi: set shiftwidth=4 tabstop=8 expandtab:
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* :indentSize=4:tabSize=8:noTabs=true:
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*/
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