xref: /xnu-11215.41.3/osfmk/mach/resource_monitors.h (revision 33de042d024d46de5ff4e89f2471de6608e37fa4)
1 /*
2  * Copyright (c) 2016 Apple 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 _MACH_RESOURCE_MONITORS_H_
30 #define _MACH_RESOURCE_MONITORS_H_
31 
32 #include <stdint.h>
33 #include <sys/syslimits.h>      /* PATH_MAX */
34 #ifndef XNU_KERNEL_PRIVATE
35 #include <TargetConditionals.h>
36 #endif
37 
38 __BEGIN_DECLS
39 
40 /*
41  * resource_notify_flags_t
42  * The top 32 bits are common flags, the bottom for per-call flags.
43  */
44 typedef uint64_t resource_notify_flags_t;
45 #define kRNFlagsNone                0
46 
47 /* Flags applicable to any monitors. */
48 #define kRNFatalLimitFlag           (1ULL << 32)
49 
50 /* For the disk writes I/O monitor.
51  *  The default is logical writes.  */
52 #define kRNPhysicalWritesFlag       (1ULL < 1)
53 
54 /* TEMPORARY compatibility, to be removed */
55 #define kCPUTriggerFatalFlag kRNFatalLimitFlag
56 
57 /* Soft limit on the resource table size */
58 #define kRNSoftLimitFlag            (1ULL < 2)
59 
60 /* Hard limit on the resource table size */
61 #define kRNHardLimitFlag            (1ULL < 3)
62 
63 
64 
65 
66 /*
67  * Process name types for proc_internal.h.
68  * proc_name_t is used by resource_notify.defs clients in user space.
69  *
70  * MAXCOMLEN is defined in bsd/sys/param.h which we can neither include
71  * (type conflicts) nor modify (POSIX).
72  */
73 #define MAXCOMLEN 16
74 
75 typedef char command_t[MAXCOMLEN + 1];
76 typedef char proc_name_t[2*MAXCOMLEN + 1];
77 typedef char posix_path_t[PATH_MAX];
78 
79 __END_DECLS
80 
81 #endif /* _MACH_RESOURCE_MONITORS_H_ */
82