ObjFW  Artifact [821c6c8243]

Artifact 821c6c82436bbabac7489942dd76d56034521c6e6403003b4a2a2bb6dd8d9ab8:

• File src/thread.h — part of check-in [5b37fbeb82] at 2020-12-20 21:26:08 on branch trunk — Return error instead of using errno for threading

  errno is problematic for Amiga libraries and is also not thread-safe on
  some systems, even though it should. (user: js, size: 2185) [annotate] [blame] [check-ins using] [more...]

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#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 "macros.h"

#if defined(OF_HAVE_PTHREADS)
# include <pthread.h>
typedef pthread_t of_thread_t;
#elif defined(OF_WINDOWS)
# include <windows.h>
typedef HANDLE of_thread_t;
#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;
} *of_thread_t;
#endif

typedef struct of_thread_attr_t {
	float priority;
	size_t stackSize;
} of_thread_attr_t;

#if defined(OF_HAVE_PTHREADS)
# define of_thread_is_current(t) pthread_equal(t, pthread_self())
# define of_thread_current() pthread_self()
#elif defined(OF_WINDOWS)
# define of_thread_is_current(t) (t == GetCurrentThread())
# define of_thread_current() GetCurrentThread()
#elif defined(OF_AMIGAOS)
# define of_thread_is_current(t) (t->thread == FindTask(NULL))
extern of_thread_t of_thread_current(void);
#endif

#ifdef __cplusplus
extern "C" {
#endif
extern int of_thread_attr_init(of_thread_attr_t *attr);
extern int of_thread_new(of_thread_t *thread, const char *name,
    void (*function)(id), id object, const of_thread_attr_t *attr);
extern void of_thread_set_name(const char *name);
extern int of_thread_join(of_thread_t thread);
extern int of_thread_detach(of_thread_t thread);
#ifdef __cplusplus
}
#endif