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1/*
2 * Copyright (c) 2014 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28
29#ifndef _WORKQUEUE_INTERNAL_H_
30#define _WORKQUEUE_INTERNAL_H_
31
32/* These definitions are shared between the kext and userspace inside the pthread project. Consolidating
33 * duplicate definitions that used to exist in both projects, when separate.
34 */
35
964d3577 36// Sometimes something gets passed a bucket number and we need a way to express
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37// that it's actually the event manager. Use the (0)th bucket for that.
38#define WORKQ_THREAD_QOS_MIN (THREAD_QOS_MAINTENANCE)
39#define WORKQ_THREAD_QOS_MAX (THREAD_QOS_LAST - 1)
40#define WORKQ_THREAD_QOS_CLEANUP (THREAD_QOS_LEGACY)
41#define WORKQ_THREAD_QOS_MANAGER (THREAD_QOS_LAST) // outside of MIN/MAX
42
43#define WORKQ_NUM_QOS_BUCKETS (WORKQ_THREAD_QOS_MAX)
44#define WORKQ_NUM_BUCKETS (WORKQ_THREAD_QOS_MAX + 1)
45#define WORKQ_IDX(qos) ((qos) - 1) // 0 based index
46
47// magical `nkevents` values for _pthread_wqthread
48#define WORKQ_EXIT_THREAD_NKEVENT (-1)
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49
50#endif // _WORKQUEUE_INTERNAL_H_