xref: /xnu-12377.1.9/bsd/sys/spawn.h (revision f6217f891ac0bb64f3d375211650a4c1ff8ca1ea)
1*f6217f89SApple OSS Distributions /*
2*f6217f89SApple OSS Distributions  * Copyright (c) 2006-2020 Apple Computer, Inc. All rights reserved.
3*f6217f89SApple OSS Distributions  *
4*f6217f89SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*f6217f89SApple OSS Distributions  *
6*f6217f89SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*f6217f89SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*f6217f89SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*f6217f89SApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*f6217f89SApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*f6217f89SApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*f6217f89SApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*f6217f89SApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*f6217f89SApple OSS Distributions  *
15*f6217f89SApple OSS Distributions  * Please obtain a copy of the License at
16*f6217f89SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*f6217f89SApple OSS Distributions  *
18*f6217f89SApple OSS Distributions  * The Original Code and all software distributed under the License are
19*f6217f89SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*f6217f89SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*f6217f89SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*f6217f89SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*f6217f89SApple OSS Distributions  * Please see the License for the specific language governing rights and
24*f6217f89SApple OSS Distributions  * limitations under the License.
25*f6217f89SApple OSS Distributions  *
26*f6217f89SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*f6217f89SApple OSS Distributions  */
28*f6217f89SApple OSS Distributions 
29*f6217f89SApple OSS Distributions /*
30*f6217f89SApple OSS Distributions  * [SPN] Support for _POSIX_SPAWN
31*f6217f89SApple OSS Distributions  *
32*f6217f89SApple OSS Distributions  * This header contains information that is shared between the user space
33*f6217f89SApple OSS Distributions  * and kernel versions of the posix_spawn() code.  Shared elements are all
34*f6217f89SApple OSS Distributions  * manifest constants, at the current time.
35*f6217f89SApple OSS Distributions  */
36*f6217f89SApple OSS Distributions 
37*f6217f89SApple OSS Distributions #ifndef _SYS_SPAWN_H_
38*f6217f89SApple OSS Distributions #define _SYS_SPAWN_H_
39*f6217f89SApple OSS Distributions 
40*f6217f89SApple OSS Distributions /*
41*f6217f89SApple OSS Distributions  * Possible bit values which may be OR'ed together and provided as the second
42*f6217f89SApple OSS Distributions  * parameter to posix_spawnattr_setflags() or implicit returned in the value of
43*f6217f89SApple OSS Distributions  * the second parameter to posix_spawnattr_getflags().
44*f6217f89SApple OSS Distributions  */
45*f6217f89SApple OSS Distributions #define POSIX_SPAWN_RESETIDS            0x0001  /* [SPN] R[UG]ID not E[UG]ID */
46*f6217f89SApple OSS Distributions #define POSIX_SPAWN_SETPGROUP           0x0002  /* [SPN] set non-parent PGID */
47*f6217f89SApple OSS Distributions #define POSIX_SPAWN_SETSIGDEF           0x0004  /* [SPN] reset sigset default */
48*f6217f89SApple OSS Distributions #define POSIX_SPAWN_SETSIGMASK          0x0008  /* [SPN] set signal mask */
49*f6217f89SApple OSS Distributions 
50*f6217f89SApple OSS Distributions #if 0   /* _POSIX_PRIORITY_SCHEDULING [PS] : not supported */
51*f6217f89SApple OSS Distributions #define POSIX_SPAWN_SETSCHEDPARAM       0x0010
52*f6217f89SApple OSS Distributions #define POSIX_SPAWN_SETSCHEDULER        0x0020
53*f6217f89SApple OSS Distributions #endif  /* 0 */
54*f6217f89SApple OSS Distributions 
55*f6217f89SApple OSS Distributions #if     !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
56*f6217f89SApple OSS Distributions /*
57*f6217f89SApple OSS Distributions  * Darwin-specific flags
58*f6217f89SApple OSS Distributions  */
59*f6217f89SApple OSS Distributions #define POSIX_SPAWN_SETEXEC             0x0040
60*f6217f89SApple OSS Distributions #define POSIX_SPAWN_START_SUSPENDED     0x0080
61*f6217f89SApple OSS Distributions #ifdef  PRIVATE
62*f6217f89SApple OSS Distributions #define _POSIX_SPAWN_DISABLE_ASLR       0x0100
63*f6217f89SApple OSS Distributions #define _POSIX_SPAWN_NANO_ALLOCATOR     0x0200
64*f6217f89SApple OSS Distributions #endif  /* PRIVATE */
65*f6217f89SApple OSS Distributions #define POSIX_SPAWN_SETSID              0x0400
66*f6217f89SApple OSS Distributions #ifdef  PRIVATE
67*f6217f89SApple OSS Distributions /* unused                               0x0800 */
68*f6217f89SApple OSS Distributions #if (DEBUG || DEVELOPMENT)
69*f6217f89SApple OSS Distributions #define _POSIX_SPAWN_FORCE_4K_PAGES     0x1000
70*f6217f89SApple OSS Distributions #endif /* (DEBUG || DEVELOPMENT) */
71*f6217f89SApple OSS Distributions #define _POSIX_SPAWN_ALLOW_DATA_EXEC    0x2000
72*f6217f89SApple OSS Distributions #endif  /* PRIVATE */
73*f6217f89SApple OSS Distributions #define POSIX_SPAWN_CLOEXEC_DEFAULT     0x4000
74*f6217f89SApple OSS Distributions #ifdef PRIVATE
75*f6217f89SApple OSS Distributions #define _POSIX_SPAWN_HIGH_BITS_ASLR     0x8000
76*f6217f89SApple OSS Distributions #endif /* PRIVATE */
77*f6217f89SApple OSS Distributions 
78*f6217f89SApple OSS Distributions #define _POSIX_SPAWN_RESLIDE            0x0800
79*f6217f89SApple OSS Distributions 
80*f6217f89SApple OSS Distributions /*
81*f6217f89SApple OSS Distributions  * Possible values to be set for the process control actions on resource starvation.
82*f6217f89SApple OSS Distributions  * POSIX_SPAWN_PCONTROL_THROTTLE indicates that the process is to be throttled on starvation.
83*f6217f89SApple OSS Distributions  * POSIX_SPAWN_PCONTROL_SUSPEND indicates that the process is to be suspended on starvation.
84*f6217f89SApple OSS Distributions  * POSIX_SPAWN_PCONTROL_KILL indicates that the process is to be terminated  on starvation.
85*f6217f89SApple OSS Distributions  */
86*f6217f89SApple OSS Distributions #define POSIX_SPAWN_PCONTROL_NONE       0x0000
87*f6217f89SApple OSS Distributions #define POSIX_SPAWN_PCONTROL_THROTTLE   0x0001
88*f6217f89SApple OSS Distributions #define POSIX_SPAWN_PCONTROL_SUSPEND    0x0002
89*f6217f89SApple OSS Distributions #define POSIX_SPAWN_PCONTROL_KILL       0x0003
90*f6217f89SApple OSS Distributions 
91*f6217f89SApple OSS Distributions #define POSIX_SPAWN_PANIC_ON_CRASH         0x1
92*f6217f89SApple OSS Distributions #define POSIX_SPAWN_PANIC_ON_NON_ZERO_EXIT 0x2
93*f6217f89SApple OSS Distributions #define POSIX_SPAWN_PANIC_ON_EXIT          0x4
94*f6217f89SApple OSS Distributions #define POSIX_SPAWN_PANIC_ON_SPAWN_FAIL    0x8
95*f6217f89SApple OSS Distributions 
96*f6217f89SApple OSS Distributions #endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
97*f6217f89SApple OSS Distributions 
98*f6217f89SApple OSS Distributions #endif  /* _SYS_SPAWN_H_ */
99