Cider Isn't Darwin Emulation, Really
Something went wrong. Try again.
14 kB · 343 lines
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344/* * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ *//* Copyright (c) 1995, 1997 Apple Computer, Inc. All Rights Reserved *//*- * Copyright (c) 1986, 1989, 1991, 1993 * The Regents of the University of California. All rights reserved. * (c) UNIX System Laboratories, Inc. * All or some portions of this file are derived from material licensed * to the University of California by American Telephone and Telegraph * Co. or Unix System Laboratories, Inc. and are reproduced herein with * the permission of UNIX System Laboratories, Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)proc.h 8.15 (Berkeley) 5/19/95 */
#ifndef _SYS_PROC_H_#define _SYS_PROC_H_
#include <sys/appleapiopts.h>#include <sys/cdefs.h>#include <sys/select.h> /* For struct selinfo. */#include <sys/queue.h>#include <sys/lock.h>#include <sys/param.h>#include <sys/event.h>#ifdef KERNEL#include <sys/kernel_types.h>#endif#include <mach/boolean.h>
#if defined(XNU_KERNEL_PRIVATE) || !defined(KERNEL)
struct session;struct pgrp;struct proc;
/* Exported fields for kern sysctls */struct extern_proc { union { struct { struct proc *__p_forw; /* Doubly-linked run/sleep queue. */ struct proc *__p_back; } p_st1; struct timeval __p_starttime; /* process start time */ } p_un;#define p_forw p_un.p_st1.__p_forw#define p_back p_un.p_st1.__p_back#define p_starttime p_un.__p_starttime struct vmspace *p_vmspace; /* Address space. */ struct sigacts *p_sigacts; /* Signal actions, state (PROC ONLY). */ int p_flag; /* P_* flags. */ char p_stat; /* S* process status. */ pid_t p_pid; /* Process identifier. */ pid_t p_oppid; /* Save parent pid during ptrace. XXX */ int p_dupfd; /* Sideways return value from fdopen. XXX */ /* Mach related */ caddr_t user_stack; /* where user stack was allocated */ void *exit_thread; /* XXX Which thread is exiting? */ int p_debugger; /* allow to debug */ boolean_t sigwait; /* indication to suspend */ /* scheduling */ u_int p_estcpu; /* Time averaged value of p_cpticks. */ int p_cpticks; /* Ticks of cpu time. */ fixpt_t p_pctcpu; /* %cpu for this process during p_swtime */ void *p_wchan; /* Sleep address. */ char *p_wmesg; /* Reason for sleep. */ u_int p_swtime; /* Time swapped in or out. */ u_int p_slptime; /* Time since last blocked. */ struct itimerval p_realtimer; /* Alarm timer. */ struct timeval p_rtime; /* Real time. */ u_quad_t p_uticks; /* Statclock hits in user mode. */ u_quad_t p_sticks; /* Statclock hits in system mode. */ u_quad_t p_iticks; /* Statclock hits processing intr. */ int p_traceflag; /* Kernel trace points. */ struct vnode *p_tracep; /* Trace to vnode. */ int p_siglist; /* DEPRECATED. */ struct vnode *p_textvp; /* Vnode of executable. */ int p_holdcnt; /* If non-zero, don't swap. */ sigset_t p_sigmask; /* DEPRECATED. */ sigset_t p_sigignore; /* Signals being ignored. */ sigset_t p_sigcatch; /* Signals being caught by user. */ u_char p_priority; /* Process priority. */ u_char p_usrpri; /* User-priority based on p_cpu and p_nice. */ char p_nice; /* Process "nice" value. */ char p_comm[MAXCOMLEN+1]; struct pgrp *p_pgrp; /* Pointer to process group. */ struct user *p_addr; /* Kernel virtual addr of u-area (PROC ONLY). */ u_short p_xstat; /* Exit status for wait; also stop signal. */ u_short p_acflag; /* Accounting flags. */ struct rusage *p_ru; /* Exit information. XXX */};
/* Status values. */#define SIDL 1 /* Process being created by fork. */#define SRUN 2 /* Currently runnable. */#define SSLEEP 3 /* Sleeping on an address. */#define SSTOP 4 /* Process debugging or suspension. */#define SZOMB 5 /* Awaiting collection by parent. */
/* These flags are kept in extern_proc.p_flag. */#define P_ADVLOCK 0x00000001 /* Process may hold POSIX adv. lock */#define P_CONTROLT 0x00000002 /* Has a controlling terminal */#define P_LP64 0x00000004 /* Process is LP64 */#define P_NOCLDSTOP 0x00000008 /* No SIGCHLD when children stop */
#define P_PPWAIT 0x00000010 /* Parent waiting for chld exec/exit */#define P_PROFIL 0x00000020 /* Has started profiling */#define P_SELECT 0x00000040 /* Selecting; wakeup/waiting danger */#define P_CONTINUED 0x00000080 /* Process was stopped and continued */
#define P_SUGID 0x00000100 /* Has set privileges since last exec */#define P_SYSTEM 0x00000200 /* Sys proc: no sigs, stats or swap */#define P_TIMEOUT 0x00000400 /* Timing out during sleep */#define P_TRACED 0x00000800 /* Debugged process being traced */
#define P_DISABLE_ASLR 0x00001000 /* Disable address space layout randomization */#define P_WEXIT 0x00002000 /* Working on exiting */#define P_EXEC 0x00004000 /* Process called exec. */
/* Should be moved to machine-dependent areas. */#define P_OWEUPC 0x00008000 /* Owe process an addupc() call at next ast. */
#define P_AFFINITY 0x00010000 /* xxx */#define P_TRANSLATED 0x00020000 /* xxx */#define P_CLASSIC P_TRANSLATED /* xxx *//*#define P_FSTRACE 0x10000 / * tracing via file system (elsewhere?) * /#define P_SSTEP 0x20000 / * process needs single-step fixup ??? * /*/
#define P_DELAYIDLESLEEP 0x00040000 /* Process is marked to delay idle sleep on disk IO */#define P_CHECKOPENEVT 0x00080000 /* check if a vnode has the OPENEVT flag set on open */
#define P_DEPENDENCY_CAPABLE 0x00100000 /* process is ok to call vfs_markdependency() */#define P_REBOOT 0x00200000 /* Process called reboot() */#define P_TBE 0x00400000 /* Process is TBE */#define P_RESV7 0x00800000 /* (P_SIGEXC)signal exceptions */
#define P_THCWD 0x01000000 /* process has thread cwd */#define P_RESV9 0x02000000 /* (P_VFORK)process has vfork children */#define P_RESV10 0x04000000 /* used to be P_NOATTACH */#define P_RESV11 0x08000000 /* (P_INVFORK) proc in vfork */
#define P_NOSHLIB 0x10000000 /* no shared libs are in use for proc */ /* flag set on exec */#define P_FORCEQUOTA 0x20000000 /* Force quota for root */#define P_NOCLDWAIT 0x40000000 /* No zombies when chil procs exit */#define P_NOREMOTEHANG 0x80000000 /* Don't hang on remote FS ops */
#define P_INMEM 0 /* Obsolete: retained for compilation */#define P_NOSWAP 0 /* Obsolete: retained for compilation */#define P_PHYSIO 0 /* Obsolete: retained for compilation */#define P_FSTRACE 0 /* Obsolete: retained for compilation */#define P_SSTEP 0 /* Obsolete: retained for compilation */
#define P_DIRTY_TRACK 0x00000001 /* track dirty state */#define P_DIRTY_ALLOW_IDLE_EXIT 0x00000002 /* process can be idle-exited when clean */#define P_DIRTY 0x00000004 /* process is dirty */#define P_DIRTY_SHUTDOWN 0x00000008 /* process is dirty during shutdown */#define P_DIRTY_TERMINATED 0x00000010 /* process has been marked for termination */#define P_DIRTY_BUSY 0x00000020 /* serialization flag */
#define P_DIRTY_CAN_IDLE_EXIT (P_DIRTY_TRACK | P_DIRTY_ALLOW_IDLE_EXIT)#define P_DIRTY_IS_DIRTY (P_DIRTY | P_DIRTY_SHUTDOWN)
#endif /* XNU_KERNEL_PRIVATE || !KERNEL */
#ifdef KERNEL__BEGIN_DECLS
extern proc_t kernproc;
extern int proc_is_classic(proc_t p);proc_t current_proc_EXTERNAL(void);
extern int msleep(void *chan, lck_mtx_t *mtx, int pri, const char *wmesg, struct timespec * ts );extern void wakeup(void *chan);extern void wakeup_one(caddr_t chan);
/* proc kpis *//* this routine returns the pid of the current process */extern int proc_selfpid(void);/* this routine returns the pid of the parent of the current process */extern int proc_selfppid(void);/* this routine returns sends a signal signum to the process identified by the pid */extern void proc_signal(int pid, int signum);/* this routine checks whether any signal identified by the mask are pending in the process identified by the pid. The check is on all threads of the process. */extern int proc_issignal(int pid, sigset_t mask);/* this routine returns 1 if the pid1 is inferior of pid2 */extern int proc_isinferior(int pid1, int pid2);/* this routine copies the process's name of the executable to the passed in buffer. It * is always null terminated. The size of the buffer is to be passed in as well. This * routine is to be used typically for debugging */void proc_name(int pid, char * buf, int size);/* This routine is simillar to proc_name except it returns for current process */void proc_selfname(char * buf, int size);
/* find a process with a given pid. This comes with a reference which needs to be dropped by proc_rele */extern proc_t proc_find(int pid);/* returns a handle to current process which is referenced. The reference needs to be dropped with proc_rele */extern proc_t proc_self(void);/* releases the held reference on the process */extern int proc_rele(proc_t p);/* returns the pid of the given process */extern int proc_pid(proc_t);/* returns the pid of the parent of a given process */extern int proc_ppid(proc_t);/* returns 1 if the process is marked for no remote hangs */extern int proc_noremotehang(proc_t);/* returns 1 if the process is marked for force quota */extern int proc_forcequota(proc_t);
/* this routine returns 1 if the process is running with 64bit address space, else 0 */extern int proc_is64bit(proc_t);/* is this process exiting? */extern int proc_exiting(proc_t);/* this routine returns error if the process is not one with super user privileges */int proc_suser(proc_t p);/* returns the cred assicaited with the process; temporary api */kauth_cred_t proc_ucred(proc_t p);
extern int proc_tbe(proc_t);
/*! @function proc_selfpgrpid @abstract Get the process group id for the current process, as with proc_pgrpid(). @return pgrpid of current process. */pid_t proc_selfpgrpid(void);
/*! @function proc_pgrpid @abstract Get the process group id for the passed-in process. @param p Process whose pgrpid to grab. @return pgrpid for "p". */pid_t proc_pgrpid(proc_t);
#ifdef KERNEL_PRIVATE// mark a process as being allowed to call vfs_markdependency()void bsd_set_dependency_capable(task_t task);extern int IS_64BIT_PROCESS(proc_t);
extern int tsleep(void *chan, int pri, const char *wmesg, int timo);extern int msleep1(void *chan, lck_mtx_t *mtx, int pri, const char *wmesg, u_int64_t timo);
task_t proc_task(proc_t);extern int proc_pidversion(proc_t);extern int proc_getcdhash(proc_t, unsigned char *);#endif /* KERNEL_PRIVATE */#ifdef XNU_KERNEL_PRIVATE/* * This returns an unique 64bit id of a given process. * Caller needs to hold proper reference on the * passed in process strucutre. */extern uint64_t proc_uniqueid(proc_t);extern uint64_t proc_selfuniqueid(void);extern void proc_getexecutableuuid(proc_t, unsigned char *, unsigned long);#endif /* XNU_KERNEL_PRIVATE*/
__END_DECLS
#endif /* KERNEL */
#ifdef PRIVATE
/* Values for pid_shutdown_sockets */#ifdef KERNEL#define SHUTDOWN_SOCKET_LEVEL_DISCONNECT_INTERNAL 0x0#endif /* KERNEL */#define SHUTDOWN_SOCKET_LEVEL_DISCONNECT_SVC 0x1#define SHUTDOWN_SOCKET_LEVEL_DISCONNECT_ALL 0x2
#ifndef KERNEL
__BEGIN_DECLS
int pid_suspend(int pid);int pid_resume(int pid);
__END_DECLS
#endif /* !KERNEL */#endif /* PRIVATE */
#endif /* !_SYS_PROC_H_ */