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Diffstat (limited to 'thread.h')
| -rw-r--r-- | thread.h | 235 |
1 files changed, 0 insertions, 235 deletions
diff --git a/thread.h b/thread.h deleted file mode 100644 index 427237b..0000000 --- a/thread.h +++ /dev/null @@ -1,235 +0,0 @@ -/* - * OpenVPN -- An application to securely tunnel IP networks - * over a single UDP port, with support for SSL/TLS-based - * session authentication and key exchange, - * packet encryption, packet authentication, and - * packet compression. - * - * Copyright (C) 2002-2010 OpenVPN Technologies, Inc. <sales@openvpn.net> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program (see the file COPYING included with this - * distribution); if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#ifndef THREAD_H -#define THREAD_H - -#include "basic.h" -#include "common.h" - -/* - * OpenVPN static mutex locks, by mutex type - */ -#define L_UNUSED 0 -#define L_CTIME 1 -#define L_INET_NTOA 2 -#define L_MSG 3 -#define L_STRERR 4 -#define L_PUTENV 5 -#define L_PRNG 6 -#define L_GETTIMEOFDAY 7 -#define L_ENV_SET 8 -#define L_SYSTEM 9 -#define L_CREATE_TEMP 10 -#define L_PLUGIN 11 -#define N_MUTEXES 12 - -#ifdef USE_PTHREAD - -#define MAX_THREADS 50 - -#define CACHE_LINE_SIZE 128 - -/* - * Improve SMP performance by making sure that each - * mutex resides in its own cache line. - */ -struct sparse_mutex -{ - pthread_mutex_t mutex; - uint8_t dummy [CACHE_LINE_SIZE - sizeof (pthread_mutex_t)]; -}; - -typedef pthread_t openvpn_thread_t; - -extern bool pthread_initialized; - -extern struct sparse_mutex mutex_array[N_MUTEXES]; - -#define MUTEX_DEFINE(lock) pthread_mutex_t lock -#define MUTEX_PTR_DEFINE(lock) pthread_mutex_t *lock - -static inline bool -openvpn_thread_enabled (void) -{ - return pthread_initialized; -} - -static inline openvpn_thread_t -openvpn_thread_self (void) -{ - return pthread_initialized ? pthread_self() : 0; -} - -static inline void -mutex_init (pthread_mutex_t *mutex) -{ - if (mutex) - pthread_mutex_init (mutex, NULL); -} - -static inline void -mutex_destroy (pthread_mutex_t *mutex) -{ - if (mutex) - pthread_mutex_destroy (mutex); -} - -static inline void -mutex_lock (pthread_mutex_t *mutex) -{ - if (pthread_initialized && mutex) - pthread_mutex_lock (mutex); -} - -static inline bool -mutex_trylock (pthread_mutex_t *mutex) -{ - if (pthread_initialized && mutex) - return pthread_mutex_trylock (mutex) == 0; - else - return true; -} - -static inline void -mutex_unlock (pthread_mutex_t *mutex) -{ - if (pthread_initialized && mutex) - { - pthread_mutex_unlock (mutex); -#if 1 /* JYFIXME: if race conditions exist, make them more likely to occur */ - sleep (0); -#endif - } -} - -static inline void -mutex_cycle (pthread_mutex_t *mutex) -{ - if (pthread_initialized && mutex) - { - pthread_mutex_unlock (mutex); - sleep (0); - pthread_mutex_lock (mutex); - } -} - -static inline void -mutex_lock_static (int type) -{ - mutex_lock (&mutex_array[type].mutex); -} - -static inline void -mutex_unlock_static (int type) -{ - mutex_unlock (&mutex_array[type].mutex); -} - -static inline void -mutex_cycle_static (int type) -{ - mutex_cycle (&mutex_array[type].mutex); -} - -void openvpn_thread_init (void); -void openvpn_thread_cleanup (void); - -openvpn_thread_t openvpn_thread_create (void *(*start_routine) (void *), void* arg); -void openvpn_thread_join (openvpn_thread_t id); - -#else /* USE_PTHREAD */ - -typedef int openvpn_thread_t; - -#if defined(_MSC_VER) || PEDANTIC - -#define MUTEX_DEFINE(lock) int eat_semicolon -#define MUTEX_PTR_DEFINE(lock) int eat_semicolon - -#else - -#define MUTEX_DEFINE(lock) -#define MUTEX_PTR_DEFINE(lock) - -#endif - -#define mutex_init(m) -#define mutex_destroy(m) -#define mutex_lock(m) -#define mutex_trylock(m) (true) -#define mutex_unlock(m) -#define mutex_cycle(m) - -static inline bool -openvpn_thread_enabled (void) -{ - return false; -} - -static inline openvpn_thread_t -openvpn_thread_self (void) -{ - return 0; -} - -static inline void -openvpn_thread_init (void) -{ -} - -static inline void -openvpn_thread_cleanup (void) -{ -} - -static inline openvpn_thread_t -openvpn_thread_create (void *(*start_routine) (void *), void* arg) -{ - return 0; -} - -static inline void -work_thread_join (openvpn_thread_t id) -{ -} - -static inline void -mutex_lock_static (int type) -{ -} - -static inline void -mutex_unlock_static (int type) -{ -} - -static inline void -mutex_cycle_static (int type) -{ -} - -#endif /* USE_PTHREAD */ - -#endif /* THREAD_H */ |