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63 lines
1.6 KiB
C
63 lines
1.6 KiB
C
//
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// _task.h
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// itlwm
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//
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// Created by qcwap on 2020/3/1.
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// Copyright © 2020 钟先耀. All rights reserved.
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//
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/*
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* Copyright (C) 2020 钟先耀
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef _task_h
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#define _task_h
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#include <sys/queue.h>
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#include <sys/_buf.h>
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#include <IOKit/IOLocks.h>
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struct task {
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TAILQ_ENTRY(task) t_entry;
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void (*t_func)(void *);
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void *t_arg;
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unsigned int t_flags;
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char name[256];
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};
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#define TASK_ONQUEUE 1
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#define TASK_BARRIER 2
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TAILQ_HEAD(task_list, task);
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#define TASKQ_MPSAFE (1 << 0)
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#define TASK_INITIALIZER(_f, _a) {{ NULL, NULL }, (_f), (_a), 0 }
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#define task_pending(_t) ((_t)->t_flags & TASK_ONQUEUE)
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extern struct taskq *const systq;
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void taskq_init();
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struct taskq *taskq_create(const char *, unsigned int, int, unsigned int);
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void taskq_destroy(struct taskq *);
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void taskq_barrier(struct taskq *);
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void taskq_del_barrier(struct taskq *, struct task *);
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void task_set(struct task *, void (*)(void *), void *, const char *);
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int task_add(struct taskq *, struct task *);
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int task_del(struct taskq *, struct task *);
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#endif /* _task_h */
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