osfmk/mach/resource_monitors.h

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