OFPlainThread.h

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/*
 * Copyright (c) 2008-2024 Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License version 3.0 only,
 * 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 Lesser General Public License
 * version 3.0 for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3.0 along with this program. If not, see
 * <https://www.gnu.org/licenses/>.
 */
 
#include "objfw-defs.h"
 
#include "platform.h"
 
#if !defined(OF_HAVE_THREADS) || \
    (!defined(OF_HAVE_PTHREADS) && !defined(OF_WINDOWS) && !defined(OF_AMIGAOS))
# error No threads available!
#endif
 
#import "OFObject.h"
 
#if defined(OF_HAVE_PTHREADS)
# include <pthread.h>
typedef pthread_t OFPlainThread;
#elif defined(OF_WINDOWS)
# include <windows.h>
typedef HANDLE OFPlainThread;
#elif defined(OF_AMIGAOS)
# include <exec/tasks.h>
# include <exec/semaphores.h>
typedef struct {
    struct Task *task;
    void (*function)(id);
    id object;
    struct SignalSemaphore semaphore;
    struct Task *joinTask;
    unsigned char joinSigBit;
    bool detached, done;
} *OFPlainThread;
#endif
 
typedef struct {
    float priority;
    size_t stackSize;
} OFPlainThreadAttributes;
 
#if defined(OF_HAVE_PTHREADS) || defined(DOXYGEN)
static OF_INLINE OFPlainThread
OFCurrentPlainThread(void)
{
    return pthread_self();
}
 
static OF_INLINE bool
OFPlainThreadIsCurrent(OFPlainThread thread)
{
    return pthread_equal(thread, pthread_self());
}
#elif defined(OF_WINDOWS)
static OF_INLINE OFPlainThread
OFCurrentPlainThread(void)
{
    return GetCurrentThread();
}
 
static OF_INLINE bool
OFPlainThreadIsCurrent(OFPlainThread thread)
{
    return (thread == GetCurrentThread());
}
#elif defined(OF_AMIGAOS)
extern OFPlainThread OFCurrentPlainThread(void);
extern bool OFPlainThreadIsCurrent(OFPlainThread);
#endif
 
#ifdef __cplusplus
extern "C" {
#endif
extern int OFPlainThreadAttributesInit(OFPlainThreadAttributes *attr);
 
extern int OFPlainThreadNew(OFPlainThread *thread, const char *name,
    void (*function)(id), id object, const OFPlainThreadAttributes *attr);
 
extern void OFSetThreadName(const char *name);
 
extern int OFPlainThreadJoin(OFPlainThread thread);
 
extern int OFPlainThreadDetach(OFPlainThread thread);
#ifdef __cplusplus
}
#endif