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/*
* LibVNCServer/LibVNCClient common platform threading defines and includes.
*
* Copyright (C) 2020 Christian Beier <dontmind@freeshell.org>
*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This software 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 software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
#ifndef _RFB_COMMON_THREADING_H
#define _RFB_COMMON_THREADING_H
#include <rfb/rfbconfig.h>
#ifdef LIBVNCSERVER_HAVE_LIBPTHREAD
#include <pthread.h>
#if 0 /* debugging */
#define LOCK(mutex) (rfbLog("%s:%d LOCK(%s,0x%x)\n",__FILE__,__LINE__,#mutex,&(mutex)), pthread_mutex_lock(&(mutex)))
#define UNLOCK(mutex) (rfbLog("%s:%d UNLOCK(%s,0x%x)\n",__FILE__,__LINE__,#mutex,&(mutex)), pthread_mutex_unlock(&(mutex)))
#define MUTEX(mutex) pthread_mutex_t (mutex)
#define INIT_MUTEX(mutex) (rfbLog("%s:%d INIT_MUTEX(%s,0x%x)\n",__FILE__,__LINE__,#mutex,&(mutex)), pthread_mutex_init(&(mutex),NULL))
#define TINI_MUTEX(mutex) (rfbLog("%s:%d TINI_MUTEX(%s)\n",__FILE__,__LINE__,#mutex), pthread_mutex_destroy(&(mutex)))
#define TSIGNAL(cond) (rfbLog("%s:%d TSIGNAL(%s)\n",__FILE__,__LINE__,#cond), pthread_cond_signal(&(cond)))
#define WAIT(cond,mutex) (rfbLog("%s:%d WAIT(%s,%s)\n",__FILE__,__LINE__,#cond,#mutex), pthread_cond_wait(&(cond),&(mutex)))
#define COND(cond) pthread_cond_t (cond)
#define INIT_COND(cond) (rfbLog("%s:%d INIT_COND(%s)\n",__FILE__,__LINE__,#cond), pthread_cond_init(&(cond),NULL))
#define TINI_COND(cond) (rfbLog("%s:%d TINI_COND(%s)\n",__FILE__,__LINE__,#cond), pthread_cond_destroy(&(cond)))
#define IF_PTHREADS(x) x
#else
#if !NONETWORK
#define LOCK(mutex) pthread_mutex_lock(&(mutex))
#define UNLOCK(mutex) pthread_mutex_unlock(&(mutex))
#endif
#define MUTEX(mutex) pthread_mutex_t (mutex)
#define MUTEX_SIZE (sizeof(pthread_mutex_t))
#define INIT_MUTEX(mutex) pthread_mutex_init(&(mutex),NULL)
#define TINI_MUTEX(mutex) pthread_mutex_destroy(&(mutex))
#define TSIGNAL(cond) pthread_cond_signal(&(cond))
#define WAIT(cond,mutex) pthread_cond_wait(&(cond),&(mutex))
#define COND(cond) pthread_cond_t (cond)
#define INIT_COND(cond) pthread_cond_init(&(cond),NULL)
#define TINI_COND(cond) pthread_cond_destroy(&(cond))
#define IF_PTHREADS(x) x
#define THREAD_ROUTINE_RETURN_TYPE void*
#define THREAD_ROUTINE_RETURN_VALUE NULL
#define THREAD_SLEEP_MS(ms) usleep(ms*1000)
#define THREAD_JOIN(thread) pthread_join(thread, NULL)
#define THREAD_DETACH(thread) pthread_detach(thread)
#define CURRENT_THREAD_ID pthread_self()
#endif
#elif defined(LIBVNCSERVER_HAVE_WIN32THREADS)
#include <process.h>
#define LOCK(mutex) EnterCriticalSection(&(mutex))
#define UNLOCK(mutex) LeaveCriticalSection(&(mutex))
#define MUTEX(mutex) CRITICAL_SECTION (mutex)
#define MUTEX_SIZE (sizeof(CRITICAL_SECTION))
#define INIT_MUTEX(mutex) InitializeCriticalSection(&(mutex))
#define TINI_MUTEX(mutex) DeleteCriticalSection(&(mutex))
#define TSIGNAL(cond) WakeAllConditionVariable(&(cond))
#define WAIT(cond,mutex) SleepConditionVariableCS(&(cond),&(mutex),INFINITE);
#define COND(cond) CONDITION_VARIABLE (cond)
#define INIT_COND(cond) InitializeConditionVariable(&(cond));
#define TINI_COND(cond)
#define IF_PTHREADS(x)
#define THREAD_ROUTINE_RETURN_TYPE void
#define THREAD_ROUTINE_RETURN_VALUE
#define THREAD_SLEEP_MS(ms) Sleep(ms)
#define THREAD_JOIN(thread) WaitForSingleObject((HANDLE)thread, INFINITE)
#define THREAD_DETACH(thread) CloseHandle((HANDLE)thread)
#define CURRENT_THREAD_ID GetCurrentThreadId()
#else
#define LOCK(mutex)
#define UNLOCK(mutex)
#define MUTEX(mutex)
#define INIT_MUTEX(mutex)
#define TINI_MUTEX(mutex)
#define TSIGNAL(cond)
#define WAIT(cond,mutex) this_is_unsupported
#define COND(cond)
#define INIT_COND(cond)
#define TINI_COND(cond)
#define IF_PTHREADS(x)
#endif
#endif /* _RFB_COMMON_THREADING_H */
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