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:
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