proc.h (11669B) - Raw
1 /* 2 * Copyright (c) 2000-2018 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 /* Copyright (c) 1995, 1997 Apple Computer, Inc. All Rights Reserved */ 29 /*- 30 * Copyright (c) 1986, 1989, 1991, 1993 31 * The Regents of the University of California. All rights reserved. 32 * (c) UNIX System Laboratories, Inc. 33 * All or some portions of this file are derived from material licensed 34 * to the University of California by American Telephone and Telegraph 35 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 36 * the permission of UNIX System Laboratories, Inc. 37 * 38 * Redistribution and use in source and binary forms, with or without 39 * modification, are permitted provided that the following conditions 40 * are met: 41 * 1. Redistributions of source code must retain the above copyright 42 * notice, this list of conditions and the following disclaimer. 43 * 2. Redistributions in binary form must reproduce the above copyright 44 * notice, this list of conditions and the following disclaimer in the 45 * documentation and/or other materials provided with the distribution. 46 * 3. All advertising materials mentioning features or use of this software 47 * must display the following acknowledgement: 48 * This product includes software developed by the University of 49 * California, Berkeley and its contributors. 50 * 4. Neither the name of the University nor the names of its contributors 51 * may be used to endorse or promote products derived from this software 52 * without specific prior written permission. 53 * 54 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 55 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 56 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 57 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 58 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 59 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 60 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 61 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 62 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 63 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 64 * SUCH DAMAGE. 65 * 66 * @(#)proc.h 8.15 (Berkeley) 5/19/95 67 */ 68 69 #ifndef _SYS_PROC_H_ 70 #define _SYS_PROC_H_ 71 72 #include <sys/appleapiopts.h> 73 #include <sys/cdefs.h> 74 #include <sys/select.h> /* For struct selinfo. */ 75 #include <sys/queue.h> 76 #include <sys/lock.h> 77 #include <sys/param.h> 78 #include <sys/event.h> 79 #include <sys/time.h> 80 #include <mach/boolean.h> 81 82 83 #include <Availability.h> 84 85 86 struct session; 87 struct pgrp; 88 struct proc; 89 90 /* Exported fields for kern sysctls */ 91 struct extern_proc { 92 union { 93 struct { 94 struct proc *__p_forw; /* Doubly-linked run/sleep queue. */ 95 struct proc *__p_back; 96 } p_st1; 97 struct timeval __p_starttime; /* process start time */ 98 } p_un; 99 #define p_forw p_un.p_st1.__p_forw 100 #define p_back p_un.p_st1.__p_back 101 #define p_starttime p_un.__p_starttime 102 struct vmspace *p_vmspace; /* Address space. */ 103 struct sigacts *p_sigacts; /* Signal actions, state (PROC ONLY). */ 104 int p_flag; /* P_* flags. */ 105 char p_stat; /* S* process status. */ 106 pid_t p_pid; /* Process identifier. */ 107 pid_t p_oppid; /* Save parent pid during ptrace. XXX */ 108 int p_dupfd; /* Sideways return value from fdopen. XXX */ 109 /* Mach related */ 110 caddr_t user_stack; /* where user stack was allocated */ 111 void *exit_thread; /* XXX Which thread is exiting? */ 112 int p_debugger; /* allow to debug */ 113 boolean_t sigwait; /* indication to suspend */ 114 /* scheduling */ 115 u_int p_estcpu; /* Time averaged value of p_cpticks. */ 116 int p_cpticks; /* Ticks of cpu time. */ 117 fixpt_t p_pctcpu; /* %cpu for this process during p_swtime */ 118 void *p_wchan; /* Sleep address. */ 119 char *p_wmesg; /* Reason for sleep. */ 120 u_int p_swtime; /* Time swapped in or out. */ 121 u_int p_slptime; /* Time since last blocked. */ 122 struct itimerval p_realtimer; /* Alarm timer. */ 123 struct timeval p_rtime; /* Real time. */ 124 u_quad_t p_uticks; /* Statclock hits in user mode. */ 125 u_quad_t p_sticks; /* Statclock hits in system mode. */ 126 u_quad_t p_iticks; /* Statclock hits processing intr. */ 127 int p_traceflag; /* Kernel trace points. */ 128 struct vnode *p_tracep; /* Trace to vnode. */ 129 int p_siglist; /* DEPRECATED. */ 130 struct vnode *p_textvp; /* Vnode of executable. */ 131 int p_holdcnt; /* If non-zero, don't swap. */ 132 sigset_t p_sigmask; /* DEPRECATED. */ 133 sigset_t p_sigignore; /* Signals being ignored. */ 134 sigset_t p_sigcatch; /* Signals being caught by user. */ 135 u_char p_priority; /* Process priority. */ 136 u_char p_usrpri; /* User-priority based on p_cpu and p_nice. */ 137 char p_nice; /* Process "nice" value. */ 138 char p_comm[MAXCOMLEN + 1]; 139 struct pgrp *p_pgrp; /* Pointer to process group. */ 140 struct user *p_addr; /* Kernel virtual addr of u-area (PROC ONLY). */ 141 u_short p_xstat; /* Exit status for wait; also stop signal. */ 142 u_short p_acflag; /* Accounting flags. */ 143 struct rusage *p_ru; /* Exit information. XXX */ 144 }; 145 146 147 /* Status values. */ 148 #define SIDL 1 /* Process being created by fork. */ 149 #define SRUN 2 /* Currently runnable. */ 150 #define SSLEEP 3 /* Sleeping on an address. */ 151 #define SSTOP 4 /* Process debugging or suspension. */ 152 #define SZOMB 5 /* Awaiting collection by parent. */ 153 154 /* These flags are kept in extern_proc.p_flag. */ 155 #define P_ADVLOCK 0x00000001 /* Process may hold POSIX adv. lock */ 156 #define P_CONTROLT 0x00000002 /* Has a controlling terminal */ 157 #define P_LP64 0x00000004 /* Process is LP64 */ 158 #define P_NOCLDSTOP 0x00000008 /* No SIGCHLD when children stop */ 159 160 #define P_PPWAIT 0x00000010 /* Parent waiting for chld exec/exit */ 161 #define P_PROFIL 0x00000020 /* Has started profiling */ 162 #define P_SELECT 0x00000040 /* Selecting; wakeup/waiting danger */ 163 #define P_CONTINUED 0x00000080 /* Process was stopped and continued */ 164 165 #define P_SUGID 0x00000100 /* Has set privileges since last exec */ 166 #define P_SYSTEM 0x00000200 /* Sys proc: no sigs, stats or swap */ 167 #define P_TIMEOUT 0x00000400 /* Timing out during sleep */ 168 #define P_TRACED 0x00000800 /* Debugged process being traced */ 169 170 #define P_DISABLE_ASLR 0x00001000 /* Disable address space layout randomization */ 171 #define P_WEXIT 0x00002000 /* Working on exiting */ 172 #define P_EXEC 0x00004000 /* Process called exec. */ 173 174 /* Should be moved to machine-dependent areas. */ 175 #define P_OWEUPC 0x00008000 /* Owe process an addupc() call at next ast. */ 176 177 #define P_AFFINITY 0x00010000 /* xxx */ 178 #define P_TRANSLATED 0x00020000 /* xxx */ 179 #define P_CLASSIC P_TRANSLATED /* xxx */ 180 181 #define P_DELAYIDLESLEEP 0x00040000 /* Process is marked to delay idle sleep on disk IO */ 182 #define P_CHECKOPENEVT 0x00080000 /* check if a vnode has the OPENEVT flag set on open */ 183 184 #define P_DEPENDENCY_CAPABLE 0x00100000 /* process is ok to call vfs_markdependency() */ 185 #define P_REBOOT 0x00200000 /* Process called reboot() */ 186 #define P_RESV6 0x00400000 /* used to be P_TBE */ 187 #define P_RESV7 0x00800000 /* (P_SIGEXC)signal exceptions */ 188 189 #define P_THCWD 0x01000000 /* process has thread cwd */ 190 #define P_RESV9 0x02000000 /* (P_VFORK)process has vfork children */ 191 #define P_ADOPTPERSONA 0x04000000 /* process adopted a persona (used to be P_NOATTACH) */ 192 #define P_RESV11 0x08000000 /* (P_INVFORK) proc in vfork */ 193 194 #define P_NOSHLIB 0x10000000 /* no shared libs are in use for proc */ 195 /* flag set on exec */ 196 #define P_FORCEQUOTA 0x20000000 /* Force quota for root */ 197 #define P_NOCLDWAIT 0x40000000 /* No zombies when chil procs exit */ 198 #define P_NOREMOTEHANG 0x80000000 /* Don't hang on remote FS ops */ 199 200 #define P_INMEM 0 /* Obsolete: retained for compilation */ 201 #define P_NOSWAP 0 /* Obsolete: retained for compilation */ 202 #define P_PHYSIO 0 /* Obsolete: retained for compilation */ 203 #define P_FSTRACE 0 /* Obsolete: retained for compilation */ 204 #define P_SSTEP 0 /* Obsolete: retained for compilation */ 205 206 #define P_DIRTY_TRACK 0x00000001 /* track dirty state */ 207 #define P_DIRTY_ALLOW_IDLE_EXIT 0x00000002 /* process can be idle-exited when clean */ 208 #define P_DIRTY_DEFER 0x00000004 /* defer initial opt-in to idle-exit */ 209 #define P_DIRTY 0x00000008 /* process is dirty */ 210 #define P_DIRTY_SHUTDOWN 0x00000010 /* process is dirty during shutdown */ 211 #define P_DIRTY_TERMINATED 0x00000020 /* process has been marked for termination */ 212 #define P_DIRTY_BUSY 0x00000040 /* serialization flag */ 213 #define P_DIRTY_MARKED 0x00000080 /* marked dirty previously */ 214 #define P_DIRTY_AGING_IN_PROGRESS 0x00000100 /* aging in one of the 'aging bands' */ 215 #define P_DIRTY_LAUNCH_IN_PROGRESS 0x00000200 /* launch is in progress */ 216 #define P_DIRTY_DEFER_ALWAYS 0x00000400 /* defer going to idle-exit after every dirty->clean transition. 217 * For legacy jetsam policy only. This is the default with the other policies.*/ 218 #define P_DIRTY_SHUTDOWN_ON_CLEAN 0x00000800 /* process should shutdown on going clean */ 219 220 #define P_DIRTY_IS_DIRTY (P_DIRTY | P_DIRTY_SHUTDOWN) 221 #define P_DIRTY_IDLE_EXIT_ENABLED (P_DIRTY_TRACK|P_DIRTY_ALLOW_IDLE_EXIT) 222 223 224 225 226 #endif /* !_SYS_PROC_H_ */