Return to thread_value.c CVS log

Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / strongswan / src / libstrongswan / threading

Annotation of embedaddon/strongswan/src/libstrongswan/threading/thread_value.c, revision 1.1

1.1     ! misho       1: /*
        !             2:  * Copyright (C) 2009-2012 Tobias Brunner
        !             3:  * HSR Hochschule fuer Technik Rapperswil
        !             4:  *
        !             5:  * This program is free software; you can redistribute it and/or modify it
        !             6:  * under the terms of the GNU General Public License as published by the
        !             7:  * Free Software Foundation; either version 2 of the License, or (at your
        !             8:  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
        !             9:  *
        !            10:  * This program is distributed in the hope that it will be useful, but
        !            11:  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
        !            12:  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
        !            13:  * for more details.
        !            14:  */
        !            15: 
        !            16: #define _GNU_SOURCE
        !            17: #include <pthread.h>
        !            18: 
        !            19: #include <library.h>
        !            20: 
        !            21: #include "thread_value.h"
        !            22: 
        !            23: typedef struct private_thread_value_t private_thread_value_t;
        !            24: 
        !            25: struct private_thread_value_t {
        !            26:        /**
        !            27:         * Public interface.
        !            28:         */
        !            29:        thread_value_t public;
        !            30: 
        !            31:        /**
        !            32:         * Key to access thread-specific values.
        !            33:         */
        !            34:        pthread_key_t key;
        !            35: 
        !            36:        /**
        !            37:         * Destructor to cleanup the value of the thread destroying this object
        !            38:         */
        !            39:        thread_cleanup_t destructor;
        !            40: 
        !            41: };
        !            42: 
        !            43: METHOD(thread_value_t, set, void,
        !            44:        private_thread_value_t *this, void *val)
        !            45: {
        !            46:        pthread_setspecific(this->key, val);
        !            47: }
        !            48: 
        !            49: METHOD(thread_value_t, get, void*,
        !            50:        private_thread_value_t *this)
        !            51: {
        !            52:        return pthread_getspecific(this->key);
        !            53: }
        !            54: 
        !            55: METHOD(thread_value_t, destroy, void,
        !            56:        private_thread_value_t *this)
        !            57: {
        !            58:        void *val;
        !            59: 
        !            60:        /* the destructor is not called automatically for the thread calling
        !            61:         * pthread_key_delete() */
        !            62:        if (this->destructor)
        !            63:        {
        !            64:                val = pthread_getspecific(this->key);
        !            65:                if (val)
        !            66:                {
        !            67:                        this->destructor(val);
        !            68:                }
        !            69:        }
        !            70:        pthread_key_delete(this->key);
        !            71:        free(this);
        !            72: }
        !            73: 
        !            74: /**
        !            75:  * Described in header.
        !            76:  */
        !            77: thread_value_t *thread_value_create(thread_cleanup_t destructor)
        !            78: {
        !            79:        private_thread_value_t *this;
        !            80: 
        !            81:        INIT(this,
        !            82:                .public = {
        !            83:                        .set = _set,
        !            84:                        .get = _get,
        !            85:                        .destroy = _destroy,
        !            86:                },
        !            87:                .destructor = destructor,
        !            88:        );
        !            89: 
        !            90:        pthread_key_create(&this->key, destructor);
        !            91:        return &this->public;
        !            92: }
        !            93: