301 lines
7.1 KiB
C
301 lines
7.1 KiB
C
/* EIO - EFL data type library
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* Copyright (C) 2010 Enlightenment Developers:
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* Cedric Bail <cedric.bail@free.fr>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library;
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* if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "eio_private.h"
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#include "Eio.h"
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/*============================================================================*
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* Local *
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*============================================================================*/
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static Eio_Version _version = { VMAJ, VMIN, VMIC, VREV };
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EAPI Eio_Version *eio_version = &_version;
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/**
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* @cond LOCAL
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*/
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#ifdef EFL_HAVE_POSIX_THREADS
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# define EIO_MUTEX_TYPE pthread_mutex_t
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# define EIO_MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER
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# define EIO_MUTEX_INIT(Pool)
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# define EIO_MUTEX_LOCK(Pool) pthread_mutex_lock(&Pool->lock)
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# define EIO_MUTEX_UNLOCK(Pool) pthread_mutex_unlock(&Pool->lock)
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# define EIO_MUTEX_DESTROY(Pool)
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#endif
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#ifdef EFL_HAVE_WIN32_THREADS
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# define EIO_MUTEX_TYPE HANDLE
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# define EIO_MUTEX_INITIALIZER NULL
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# define EIO_MUTEX_INIT(Pool) Pool.lock = CreateMutex(NULL, FALSE, NULL)
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# define EIO_MUTEX_LOCK(Pool) WaitForSingleObject(Pool->lock, INFINITE)
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# define EIO_MUTEX_UNLOCK(Pool) ReleaseMutex(Pool->lock)
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# define EIO_MUTEX_DESTROY(Pool) CloseHandle(Pool.lock)
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#endif
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/* Progress pool */
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typedef struct _Eio_Alloc_Pool Eio_Alloc_Pool;
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struct _Eio_Alloc_Pool
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{
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int count;
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Eina_Trash *trash;
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EIO_MUTEX_TYPE lock;
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};
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static int _eio_init_count = 0;
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int _eio_log_dom_global = -1;
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static Eio_Alloc_Pool progress_pool = { 0, NULL, EIO_MUTEX_INITIALIZER };
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static Eio_Alloc_Pool direct_info_pool = { 0, NULL, EIO_MUTEX_INITIALIZER };
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static Eio_Alloc_Pool char_pool = { 0, NULL, EIO_MUTEX_INITIALIZER };
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static Eio_Alloc_Pool associate_pool = { 0, NULL, EIO_MUTEX_INITIALIZER };
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static void *
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_eio_pool_malloc(Eio_Alloc_Pool *pool, size_t sz)
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{
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void *result = NULL;
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if (pool->count)
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{
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EIO_MUTEX_LOCK(pool);
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result = eina_trash_pop(&pool->trash);
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if (result) pool->count--;
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EIO_MUTEX_UNLOCK(pool);
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}
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if (!result) result = malloc(sz);
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return result;
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}
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static void
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_eio_pool_free(Eio_Alloc_Pool *pool, void *data)
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{
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if (pool->count >= EIO_PROGRESS_LIMIT)
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{
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free(data);
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}
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else
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{
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EIO_MUTEX_LOCK(pool);
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eina_trash_push(&pool->trash, data);
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pool->count++;
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EIO_MUTEX_UNLOCK(pool);
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}
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}
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/**
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* @endcond
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*/
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/*============================================================================*
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* Global *
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*============================================================================*/
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/**
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* @cond LOCAL
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*/
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Eio_Progress *
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eio_progress_malloc(void)
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{
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return _eio_pool_malloc(&progress_pool, sizeof (Eio_Progress));
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}
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void
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eio_progress_free(Eio_Progress *data)
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{
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eina_stringshare_del(data->source);
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eina_stringshare_del(data->dest);
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_eio_pool_free(&progress_pool, data);
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}
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void
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eio_progress_send(Ecore_Thread *thread, Eio_File_Progress *op, long long current, long long max)
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{
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Eio_Progress *progress;
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if (op->progress_cb == NULL)
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return ;
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progress = eio_progress_malloc();
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if (!progress) return ;
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progress->op = op->op;
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progress->current = current;
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progress->max = max;
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progress->percent = (float) current * 100.0 / (float) max;
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progress->source = eina_stringshare_ref(op->source);
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progress->dest = eina_stringshare_ref(op->dest);
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ecore_thread_feedback(thread, progress);
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}
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Eio_File_Direct_Info *
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eio_direct_info_malloc(void)
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{
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return _eio_pool_malloc(&direct_info_pool, sizeof (Eio_File_Direct_Info));
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}
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void
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eio_direct_info_free(Eio_File_Direct_Info *data)
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{
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_eio_pool_free(&direct_info_pool, data);
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}
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Eio_File_Char *
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eio_char_malloc(void)
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{
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return _eio_pool_malloc(&char_pool, sizeof (Eio_File_Char));
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}
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void
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eio_char_free(Eio_File_Char *data)
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{
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_eio_pool_free(&char_pool, data);
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}
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Eio_File_Associate *
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eio_associate_malloc(const void *data, Eina_Free_Cb free_cb)
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{
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Eio_File_Associate *tmp;
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tmp = _eio_pool_malloc(&associate_pool, sizeof (Eio_File_Associate));
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if (!tmp) return tmp;
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tmp->data = (void*) data;
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tmp->free_cb = free_cb;
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return tmp;
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}
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void
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eio_associate_free(void *data)
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{
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Eio_File_Associate *tmp;
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if (!data) return ;
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tmp = data;
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if (tmp->free_cb)
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tmp->free_cb(tmp->data);
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_eio_pool_free(&associate_pool, tmp);
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}
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/**
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* @endcond
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*/
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/*============================================================================*
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* API *
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*============================================================================*/
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EAPI int
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eio_init(void)
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{
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if (++_eio_init_count != 1)
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return _eio_init_count;
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if (!eina_init())
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{
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fprintf(stderr, "Eio can not initialize Eina\n");
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return --_eio_init_count;
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}
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_eio_log_dom_global = eina_log_domain_register("eio", EIO_DEFAULT_LOG_COLOR);
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if (_eio_log_dom_global < 0)
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{
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EINA_LOG_ERR("Eio can not create a general log domain.");
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goto shutdown_eina;
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}
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if (!ecore_init())
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{
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ERR("Can not initialize Eina\n");
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goto unregister_log_domain;
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}
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EIO_MUTEX_INIT(progress_pool);
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EIO_MUTEX_INIT(direct_info_pool);
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EIO_MUTEX_INIT(char_pool);
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EIO_MUTEX_INIT(associate_pool);
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eio_monitor_init();
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return _eio_init_count;
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unregister_log_domain:
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eina_log_domain_unregister(_eio_log_dom_global);
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_eio_log_dom_global = -1;
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shutdown_eina:
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eina_shutdown();
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return --_eio_init_count;
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}
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EAPI int
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eio_shutdown(void)
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{
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Eio_File_Direct_Info *info;
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Eio_File_Char *cin;
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Eio_Progress *pg;
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Eio_File_Associate *asso;
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if (_eio_init_count <= 0)
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{
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ERR("Init count not greater than 0 in shutdown.");
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return 0;
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}
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if (--_eio_init_count != 0)
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return _eio_init_count;
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eio_monitor_shutdown();
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EIO_MUTEX_DESTROY(direct_info_pool);
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EIO_MUTEX_DESTROY(progress_pool);
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EIO_MUTEX_DESTROY(char_pool);
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EIO_MUTEX_DESTROY(associate_pool);
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/* Cleanup pool */
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EINA_TRASH_CLEAN(&progress_pool.trash, pg)
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free(pg);
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progress_pool.count = 0;
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EINA_TRASH_CLEAN(&direct_info_pool.trash, info)
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free(info);
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direct_info_pool.count = 0;
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EINA_TRASH_CLEAN(&char_pool.trash, cin)
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free(cin);
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char_pool.count = 0;
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EINA_TRASH_CLEAN(&associate_pool.trash, asso)
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free(asso);
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associate_pool.count = 0;
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ecore_shutdown();
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eina_log_domain_unregister(_eio_log_dom_global);
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_eio_log_dom_global = -1;
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eina_shutdown();
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return _eio_init_count;
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}
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