ObjFW
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OFPlainCondition.h
1/*
2 * Copyright (c) 2008-2024 Jonathan Schleifer <js@nil.im>
3 *
4 * All rights reserved.
5 *
6 * This program is free software: you can redistribute it and/or modify it
7 * under the terms of the GNU Lesser General Public License version 3.0 only,
8 * as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
13 * version 3.0 for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public License
16 * version 3.0 along with this program. If not, see
17 * <https://www.gnu.org/licenses/>.
18 */
19
20#include "objfw-defs.h"
21
22#include "platform.h"
23
24#if !defined(OF_HAVE_THREADS) || \
25 (!defined(OF_HAVE_PTHREADS) && !defined(OF_WINDOWS) && !defined(OF_AMIGAOS))
26# error No conditions available!
27#endif
28
29/* For OFTimeInterval */
30#import "OFObject.h"
31#import "OFPlainMutex.h"
32
33#if defined(OF_HAVE_PTHREADS)
34# include <pthread.h>
35typedef pthread_cond_t OFPlainCondition;
36#elif defined(OF_WINDOWS)
37# include <windows.h>
38typedef struct {
39 HANDLE event;
40 volatile int count;
41} OFPlainCondition;
42#elif defined(OF_AMIGAOS)
43# include <exec/tasks.h>
44typedef struct {
45 struct OFPlainConditionWaitingTask {
46 struct Task *task;
47 unsigned char sigBit;
48 struct OFPlainConditionWaitingTask *next;
49 } *waitingTasks;
50} OFPlainCondition;
51#endif
52
53#ifdef __cplusplus
54extern "C" {
55#endif
56extern int OFPlainConditionNew(OFPlainCondition *condition);
57extern int OFPlainConditionSignal(OFPlainCondition *condition);
58extern int OFPlainConditionBroadcast(OFPlainCondition *condition);
59extern int OFPlainConditionWait(OFPlainCondition *condition,
60 OFPlainMutex *mutex);
61extern int OFPlainConditionTimedWait(OFPlainCondition *condition,
62 OFPlainMutex *mutex, OFTimeInterval timeout);
63#if defined(OF_AMIGAOS) || defined(DOXYGEN)
64extern int OFPlainConditionWaitOrExecSignal(OFPlainCondition *condition,
65 OFPlainMutex *mutex, ULONG *signalMask);
66extern int OFPlainConditionTimedWaitOrExecSignal(OFPlainCondition *condition,
67 OFPlainMutex *mutex, OFTimeInterval timeout, ULONG *signalMask);
68#endif
69extern int OFPlainConditionFree(OFPlainCondition *condition);
70#ifdef __cplusplus
71}
72#endif
double OFTimeInterval
A time interval in seconds.
Definition OFObject.h:154