/* * %CopyrightBegin% * * Copyright Ericsson AB 1997-2009. All Rights Reserved. * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in * compliance with the License. You should have received a copy of the * Erlang Public License along with this software. If not, it can be * retrieved online at http://www.erlang.org/. * * Software distributed under the License is distributed on an "AS IS" * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See * the License for the specific language governing rights and limitations * under the License. * * %CopyrightEnd% * */ #ifndef _EI_LOCKING_H #define _EI_LOCKING_H #include "config.h" #if defined(VXWORKS) #include <taskLib.h> #include <taskVarLib.h> #endif #ifdef __WIN32__ #include <winsock2.h> #include <windows.h> #include <winbase.h> #endif #ifdef HAVE_MIT_PTHREAD_H #include <pthread/mit/pthread.h> #elif HAVE_PTHREAD_H #include <pthread.h> #endif typedef struct ei_mutex_s { #ifdef __WIN32__ HANDLE lock; #elif VXWORKS SEM_ID lock; #else /* unix */ #if defined(HAVE_MIT_PTHREAD_H) || defined(HAVE_PTHREAD_H) pthread_mutex_t *lock; #else /* ! (HAVE_MIT_PTHREAD_H || HAVE_PTHREAD_H) */ void *dummy; /* Actually never used */ #endif /* ! (HAVE_MIT_PTHREAD_H || HAVE_PTHREAD_H) */ #endif /* unix */ } ei_mutex_t; extern ei_mutex_t* ei_sockets_lock; /* FIXME global variable! */ ei_mutex_t *ei_mutex_create(void); int ei_mutex_free(ei_mutex_t *l, int nblock); int ei_mutex_lock(ei_mutex_t *l, int nblock); int ei_mutex_unlock(ei_mutex_t *l); #if defined(_REENTRANT) && !defined(VXWORKS) && !defined(__WIN32__) void *ei_m_create(void); int ei_m_destroy(void *l); int ei_m_lock(void *l); int ei_m_trylock(void *l); int ei_m_unlock(void *l); #endif /* _REENTRANT && !VXWORKS && !__WIN32__ */ #endif /* _EI_LOCKING_H */