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// thread.h
//
/****************************************************************************
liblscp - LinuxSampler Control Protocol API
Copyright (C) 2004, rncbc aka Rui Nuno Capela. All rights reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*****************************************************************************/
#ifndef __LSCP_THREAD_H
#define __LSCP_THREAD_H
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#if (defined(_WIN32) || defined(__WIN32__))
#if (!defined(WIN32))
#define WIN32
#endif
#endif
#if defined(WIN32)
#include <windows.h>
#else
#include <pthread.h>
#endif
#include "lscp/version.h"
#if defined(__cplusplus)
extern "C" {
#endif
//-------------------------------------------------------------------------
// Status.
typedef enum _lscp_status_t
{
LSCP_OK = 0,
LSCP_FAILED = -1,
LSCP_ERROR = -2,
LSCP_WARNING = -3,
LSCP_TIMEOUT = -4,
LSCP_QUIT = -5
} lscp_status_t;
//-------------------------------------------------------------------------
// Mutexes.
#if defined(WIN32)
typedef HANDLE lscp_mutex_t;
#define lscp_mutex_init(m) { (m) = CreateMutex(NULL, 0, NULL); }
#define lscp_mutex_destroy(m) if (m) { CloseHandle(m); }
#define lscp_mutex_lock(m) WaitForSingleObject((m), INFINITE)
#define lscp_mutex_unlock(m) ReleaseMutex(m)
#else
typedef pthread_mutex_t lscp_mutex_t;
#define lscp_mutex_init(m) pthread_mutex_init(&(m), NULL)
#define lscp_mutex_destroy(m) pthread_mutex_destroy(&(m))
#define lscp_mutex_lock(m) pthread_mutex_lock(&(m))
#define lscp_mutex_unlock(m) pthread_mutex_unlock(&(m))
#endif
//-------------------------------------------------------------------------
// Simple condition variables (FIXME: probably incorrect on WIN32).
#if defined(WIN32)
typedef HANDLE lscp_cond_t;
#define lscp_cond_init(c) { (c) = CreateEvent(NULL, FALSE, FALSE, NULL); }
#define lscp_cond_destroy(c) if (c) { CloseHandle(c); }
#define lscp_cond_wait(c, m) { lscp_mutex_unlock(m); WaitForSingleObject((c), INFINITE); lscp_mutex_lock(m); }
#define lscp_cond_signal(c) SetEvent(c)
#else
typedef pthread_cond_t lscp_cond_t;
#define lscp_cond_init(c) pthread_cond_init(&(c), NULL)
#define lscp_cond_destroy(c) pthread_cond_destroy(&(c))
#define lscp_cond_wait(c, m) pthread_cond_wait(&(c), &(m))
#define lscp_cond_signal(c) pthread_cond_signal(&(c))
#endif
//-------------------------------------------------------------------------
// Threads.
struct _lscp_thread_t;
typedef void (*lscp_thread_proc_t)(void *pvData);
typedef struct _lscp_thread_t lscp_thread_t;
lscp_thread_t *lscp_thread_create (lscp_thread_proc_t pfnProc, void *pvData, int iDetach);
lscp_status_t lscp_thread_join (lscp_thread_t *pThread);
lscp_status_t lscp_thread_cancel (lscp_thread_t *pThread);
lscp_status_t lscp_thread_destroy (lscp_thread_t *pThread);
#if defined(WIN32)
#define lscp_thread_exit() pthread_exit(NULL)
#else
#define lscp_thread_exit() ExitThread(0)
#endif
#if defined(__cplusplus)
}
#endif
#endif // __LSCP_THREAD_H
// end of thread.h
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