xref: /xnu-8020.140.41/bsd/sys/spawn.h (revision 27b03b360a988dfd3dfdf34262bb0042026747cc)
1*27b03b36SApple OSS Distributions /*
2*27b03b36SApple OSS Distributions  * Copyright (c) 2006-2020 Apple Computer, Inc. All rights reserved.
3*27b03b36SApple OSS Distributions  *
4*27b03b36SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*27b03b36SApple OSS Distributions  *
6*27b03b36SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*27b03b36SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*27b03b36SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*27b03b36SApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*27b03b36SApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*27b03b36SApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*27b03b36SApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*27b03b36SApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*27b03b36SApple OSS Distributions  *
15*27b03b36SApple OSS Distributions  * Please obtain a copy of the License at
16*27b03b36SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*27b03b36SApple OSS Distributions  *
18*27b03b36SApple OSS Distributions  * The Original Code and all software distributed under the License are
19*27b03b36SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*27b03b36SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*27b03b36SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*27b03b36SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*27b03b36SApple OSS Distributions  * Please see the License for the specific language governing rights and
24*27b03b36SApple OSS Distributions  * limitations under the License.
25*27b03b36SApple OSS Distributions  *
26*27b03b36SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*27b03b36SApple OSS Distributions  */
28*27b03b36SApple OSS Distributions 
29*27b03b36SApple OSS Distributions /*
30*27b03b36SApple OSS Distributions  * [SPN] Support for _POSIX_SPAWN
31*27b03b36SApple OSS Distributions  *
32*27b03b36SApple OSS Distributions  * This header contains information that is shared between the user space
33*27b03b36SApple OSS Distributions  * and kernel versions of the posix_spawn() code.  Shared elements are all
34*27b03b36SApple OSS Distributions  * manifest constants, at the current time.
35*27b03b36SApple OSS Distributions  */
36*27b03b36SApple OSS Distributions 
37*27b03b36SApple OSS Distributions #ifndef _SYS_SPAWN_H_
38*27b03b36SApple OSS Distributions #define _SYS_SPAWN_H_
39*27b03b36SApple OSS Distributions 
40*27b03b36SApple OSS Distributions /*
41*27b03b36SApple OSS Distributions  * Possible bit values which may be OR'ed together and provided as the second
42*27b03b36SApple OSS Distributions  * parameter to posix_spawnattr_setflags() or implicit returned in the value of
43*27b03b36SApple OSS Distributions  * the second parameter to posix_spawnattr_getflags().
44*27b03b36SApple OSS Distributions  */
45*27b03b36SApple OSS Distributions #define POSIX_SPAWN_RESETIDS            0x0001  /* [SPN] R[UG]ID not E[UG]ID */
46*27b03b36SApple OSS Distributions #define POSIX_SPAWN_SETPGROUP           0x0002  /* [SPN] set non-parent PGID */
47*27b03b36SApple OSS Distributions #define POSIX_SPAWN_SETSIGDEF           0x0004  /* [SPN] reset sigset default */
48*27b03b36SApple OSS Distributions #define POSIX_SPAWN_SETSIGMASK          0x0008  /* [SPN] set signal mask */
49*27b03b36SApple OSS Distributions 
50*27b03b36SApple OSS Distributions #if 0   /* _POSIX_PRIORITY_SCHEDULING [PS] : not supported */
51*27b03b36SApple OSS Distributions #define POSIX_SPAWN_SETSCHEDPARAM       0x0010
52*27b03b36SApple OSS Distributions #define POSIX_SPAWN_SETSCHEDULER        0x0020
53*27b03b36SApple OSS Distributions #endif  /* 0 */
54*27b03b36SApple OSS Distributions 
55*27b03b36SApple OSS Distributions #if     !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
56*27b03b36SApple OSS Distributions /*
57*27b03b36SApple OSS Distributions  * Darwin-specific flags
58*27b03b36SApple OSS Distributions  */
59*27b03b36SApple OSS Distributions #define POSIX_SPAWN_SETEXEC             0x0040
60*27b03b36SApple OSS Distributions #define POSIX_SPAWN_START_SUSPENDED     0x0080
61*27b03b36SApple OSS Distributions #ifdef  PRIVATE
62*27b03b36SApple OSS Distributions #define _POSIX_SPAWN_DISABLE_ASLR       0x0100
63*27b03b36SApple OSS Distributions #define _POSIX_SPAWN_NANO_ALLOCATOR     0x0200
64*27b03b36SApple OSS Distributions #endif  /* PRIVATE */
65*27b03b36SApple OSS Distributions #define POSIX_SPAWN_SETSID              0x0400
66*27b03b36SApple OSS Distributions #ifdef  PRIVATE
67*27b03b36SApple OSS Distributions /* unused                               0x0800 */
68*27b03b36SApple OSS Distributions #if (DEBUG || DEVELOPMENT)
69*27b03b36SApple OSS Distributions #define _POSIX_SPAWN_FORCE_4K_PAGES     0x1000
70*27b03b36SApple OSS Distributions #endif /* (DEBUG || DEVELOPMENT) */
71*27b03b36SApple OSS Distributions #define _POSIX_SPAWN_ALLOW_DATA_EXEC    0x2000
72*27b03b36SApple OSS Distributions #endif  /* PRIVATE */
73*27b03b36SApple OSS Distributions #define POSIX_SPAWN_CLOEXEC_DEFAULT     0x4000
74*27b03b36SApple OSS Distributions #ifdef PRIVATE
75*27b03b36SApple OSS Distributions #define _POSIX_SPAWN_HIGH_BITS_ASLR     0x8000
76*27b03b36SApple OSS Distributions #endif /* PRIVATE */
77*27b03b36SApple OSS Distributions 
78*27b03b36SApple OSS Distributions #define _POSIX_SPAWN_RESLIDE            0x0800
79*27b03b36SApple OSS Distributions 
80*27b03b36SApple OSS Distributions /*
81*27b03b36SApple OSS Distributions  * Possible values to be set for the process control actions on resource starvation.
82*27b03b36SApple OSS Distributions  * POSIX_SPAWN_PCONTROL_THROTTLE indicates that the process is to be throttled on starvation.
83*27b03b36SApple OSS Distributions  * POSIX_SPAWN_PCONTROL_SUSPEND indicates that the process is to be suspended on starvation.
84*27b03b36SApple OSS Distributions  * POSIX_SPAWN_PCONTROL_KILL indicates that the process is to be terminated  on starvation.
85*27b03b36SApple OSS Distributions  */
86*27b03b36SApple OSS Distributions #define POSIX_SPAWN_PCONTROL_NONE       0x0000
87*27b03b36SApple OSS Distributions #define POSIX_SPAWN_PCONTROL_THROTTLE   0x0001
88*27b03b36SApple OSS Distributions #define POSIX_SPAWN_PCONTROL_SUSPEND    0x0002
89*27b03b36SApple OSS Distributions #define POSIX_SPAWN_PCONTROL_KILL       0x0003
90*27b03b36SApple OSS Distributions 
91*27b03b36SApple OSS Distributions #endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
92*27b03b36SApple OSS Distributions 
93*27b03b36SApple OSS Distributions #endif  /* _SYS_SPAWN_H_ */
94