1/*
2 * Copyright (c) 2006 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/*
30 * [SPN] Support for _POSIX_SPAWN
31 *
32 * This header contains information that is shared between the user space
33 * and kernel versions of the posix_spawn() code. Shared elements are all
34 * manifest constants, at the current time.
35 */
36
37#ifndef _SYS_SPAWN_H_
38#define _SYS_SPAWN_H_
39
40/*
41 * Possible bit values which may be OR'ed together and provided as the second
42 * parameter to posix_spawnattr_setflags() or implicit returned in the value of
43 * the second parameter to posix_spawnattr_getflags().
44 */
45#define POSIX_SPAWN_RESETIDS 0x0001 /* [SPN] R[UG]ID not E[UG]ID */
46#define POSIX_SPAWN_SETPGROUP 0x0002 /* [SPN] set non-parent PGID */
47#define POSIX_SPAWN_SETSIGDEF 0x0004 /* [SPN] reset sigset default */
48#define POSIX_SPAWN_SETSIGMASK 0x0008 /* [SPN] set signal mask */
49
50#if 0 /* _POSIX_PRIORITY_SCHEDULING [PS] : not supported */
51#define POSIX_SPAWN_SETSCHEDPARAM 0x0010
52#define POSIX_SPAWN_SETSCHEDULER 0x0020
53#endif /* 0 */
54
55#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
56/*
57 * Darwin-specific flags
58 */
59#define POSIX_SPAWN_SETEXEC 0x0040
60#define POSIX_SPAWN_START_SUSPENDED 0x0080
61#ifdef PRIVATE
62#define _POSIX_SPAWN_DISABLE_ASLR 0x0100
63#define _POSIX_SPAWN_NANO_ALLOCATOR 0x0200
64/* unused 0x0400 */
65/* unused 0x0800 */
66/* unused 0x1000 */
67#define _POSIX_SPAWN_ALLOW_DATA_EXEC 0x2000
68#endif /* PRIVATE */
69#define POSIX_SPAWN_CLOEXEC_DEFAULT 0x4000
70#ifdef PRIVATE
71#define _POSIX_SPAWN_HIGH_BITS_ASLR 0x8000
72#endif /* PRIVATE */
73
74/*
75 * Possible values to be set for the process control actions on resource starvation.
76 * POSIX_SPAWN_PCONTROL_THROTTLE indicates that the process is to be throttled on starvation.
77 * POSIX_SPAWN_PCONTROL_SUSPEND indicates that the process is to be suspended on starvation.
78 * POSIX_SPAWN_PCONTROL_KILL indicates that the process is to be terminated on starvation.
79 */
80#define POSIX_SPAWN_PCONTROL_NONE 0x0000
81#define POSIX_SPAWN_PCONTROL_THROTTLE 0x0001
82#define POSIX_SPAWN_PCONTROL_SUSPEND 0x0002
83#define POSIX_SPAWN_PCONTROL_KILL 0x0003
84
85#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
86
87#endif /* _SYS_SPAWN_H_ */
88