/*
- * Copyright (c) 2000-2010 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2018 Apple 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
* 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,
* 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 */
*/
#ifndef _SYS_PROC_INTERNAL_H_
-#define _SYS_PROC_INTERNAL_H_
+#define _SYS_PROC_INTERNAL_H_
#include <libkern/OSAtomic.h>
#include <sys/proc.h>
#include <mach/resource_monitors.h> // command/proc_name_t
-
__BEGIN_DECLS
#include <kern/locks.h>
#if PSYNCH
__END_DECLS
#if DEBUG
-#define __PROC_INTERNAL_DEBUG 1
+#define __PROC_INTERNAL_DEBUG 1
#endif
-/*
+/*
* The short form for various locks that protect fields in the data structures.
* PL = Process Lock
* PGL = Process Group Lock
* PFDL = Process File Desc Lock
* PUCL = Process User Credentials Lock
* PSL = Process Spin Lock
- * PPL = Parent Process Lock (planed for later usage)
* LL = List Lock
* SL = Session Lock
-*/
+ */
struct label;
/*
* One structure allocated per session.
*/
-struct session {
- int s_count; /* Ref cnt; pgrps in session. (LL) */
- struct proc * s_leader; /* Session leader.(static) */
- struct vnode * s_ttyvp; /* Vnode of controlling terminal.(SL) */
- int s_ttyvid; /* Vnode id of the controlling terminal (SL) */
- struct tty * s_ttyp; /* Controlling terminal. (SL + ttyvp != NULL) */
- pid_t s_ttypgrpid; /* tty's pgrp id */
- pid_t s_sid; /* Session ID (static) */
- char s_login[MAXLOGNAME]; /* Setlogin() name.(SL) */
- int s_flags; /* Session flags (s_mlock) */
- LIST_ENTRY(session) s_hash; /* Hash chain.(LL) */
- lck_mtx_t s_mlock; /* mutex lock to protect session */
- int s_listflags;
+struct session {
+ int s_count; /* Ref cnt; pgrps in session. (LL) */
+ struct proc * s_leader; /* Session leader.(static) */
+ struct vnode * s_ttyvp; /* Vnode of controlling terminal.(SL) */
+ int s_ttyvid; /* Vnode id of the controlling terminal (SL) */
+ struct tty * s_ttyp; /* Controlling terminal. (SL + ttyvp != NULL) */
+ pid_t s_ttypgrpid; /* tty's pgrp id */
+ pid_t s_sid; /* Session ID (static) */
+ char s_login[MAXLOGNAME]; /* Setlogin() name.(SL) */
+ int s_flags; /* Session flags (s_mlock) */
+ LIST_ENTRY(session) s_hash; /* Hash chain.(LL) */
+ lck_mtx_t s_mlock; /* mutex lock to protect session */
+ int s_listflags;
};
-#define SESSION_NULL (struct session *)0
+#define SESSION_NULL (struct session *)NULL
/*
* accessor for s_ttyp which treats it as invalid if s_ttyvp is not valid;
* NB: <sys/tty.h> is not in scope and there is not typedef type enforcement,
* or '0' below would be 'TTY_NULL'.
*/
-#define SESSION_TP(sp) (((sp)->s_ttyvp != 0) ? (sp)->s_ttyp : 0)
+#define SESSION_TP(sp) (((sp)->s_ttyvp != 0) ? (sp)->s_ttyp : 0)
/*
* Session flags; used to tunnel information to lower layers and line
* disciplines, etc.
*/
-#define S_DEFAULT 0x00000000 /* No flags set */
-#define S_NOCTTY 0x00000001 /* Do not associate controlling tty */
-#define S_CTTYREF 0x00000010 /* vnode ref taken by cttyopen */
+#define S_DEFAULT 0x00000000 /* No flags set */
+#define S_NOCTTY 0x00000001 /* Do not associate controlling tty */
+#define S_CTTYREF 0x00000010 /* vnode ref taken by cttyopen */
-#define S_LIST_TERM 1 /* marked for termination */
-#define S_LIST_DEAD 2 /* already dead */
+#define S_LIST_TERM 1 /* marked for termination */
+#define S_LIST_DEAD 2 /* already dead */
/*
* One structure allocated per process group.
*/
-struct pgrp {
- LIST_ENTRY(pgrp) pg_hash; /* Hash chain. (LL) */
- LIST_HEAD(, proc) pg_members; /* Pointer to pgrp members. (PGL) */
- struct session * pg_session; /* Pointer to session. (LL ) */
- pid_t pg_id; /* Pgrp id. (static) */
- int pg_jobc; /* # procs qualifying pgrp for job control (PGL) */
- int pg_membercnt; /* Number of processes in the pgrocess group (PGL) */
- int pg_refcount; /* number of current iterators (LL) */
- unsigned int pg_listflags; /* (LL) */
- lck_mtx_t pg_mlock; /* mutex lock to protect pgrp */
+struct pgrp {
+ LIST_ENTRY(pgrp) pg_hash; /* Hash chain. (LL) */
+ LIST_HEAD(, proc) pg_members; /* Pointer to pgrp members. (PGL) */
+ struct session * pg_session; /* Pointer to session. (LL ) */
+ pid_t pg_id; /* Pgrp id. (static) */
+ int pg_jobc; /* # procs qualifying pgrp for job control (PGL) */
+ int pg_membercnt; /* Number of processes in the pgrocess group (PGL) */
+ int pg_refcount; /* number of current iterators (LL) */
+ unsigned int pg_listflags; /* (LL) */
+ lck_mtx_t pg_mlock; /* mutex lock to protect pgrp */
};
-#define PGRP_FLAG_TERMINATE 1
+#define PGRP_FLAG_TERMINATE 1
#define PGRP_FLAG_WAITTERMINATE 2
-#define PGRP_FLAG_DEAD 4
-#define PGRP_FLAG_ITERABEGIN 8
-#define PGRP_FLAG_ITERWAIT 0x10
+#define PGRP_FLAG_DEAD 4
+#define PGRP_FLAG_ITERABEGIN 8
+#define PGRP_FLAG_ITERWAIT 0x10
-#define PGRP_NULL (struct pgrp *)0
+#define PGRP_NULL (struct pgrp *)NULL
struct proc;
-#define PROC_NULL (struct proc *)0
+#define PROC_NULL (struct proc *)NULL
#define PROC_UPDATE_CREDS_ONPROC(p) { \
p->p_uid = kauth_cred_getuid(p->p_ucred); \
* which might be addressible only on a processor on which the process
* is running.
*/
-struct proc {
- LIST_ENTRY(proc) p_list; /* List of all processes. */
-
- pid_t p_pid; /* Process identifier. (static)*/
- void * task; /* corresponding task (static)*/
- struct proc * p_pptr; /* Pointer to parent process.(LL) */
- pid_t p_ppid; /* process's parent pid number */
- pid_t p_pgrpid; /* process group id of the process (LL)*/
- uid_t p_uid;
- gid_t p_gid;
- uid_t p_ruid;
- gid_t p_rgid;
- uid_t p_svuid;
- gid_t p_svgid;
- uint64_t p_uniqueid; /* process unique ID - incremented on fork/spawn/vfork, remains same across exec. */
- uint64_t p_puniqueid; /* parent's unique ID - set on fork/spawn/vfork, doesn't change if reparented. */
-
- lck_mtx_t p_mlock; /* mutex lock for proc */
-
- char p_stat; /* S* process status. (PL)*/
- char p_shutdownstate;
- char p_kdebug; /* P_KDEBUG eq (CC)*/
- char p_btrace; /* P_BTRACE eq (CC)*/
-
- LIST_ENTRY(proc) p_pglist; /* List of processes in pgrp.(PGL) */
- LIST_ENTRY(proc) p_sibling; /* List of sibling processes. (LL)*/
- LIST_HEAD(, proc) p_children; /* Pointer to list of children. (LL)*/
- TAILQ_HEAD( , uthread) p_uthlist; /* List of uthreads (PL) */
-
- LIST_ENTRY(proc) p_hash; /* Hash chain. (LL)*/
- TAILQ_HEAD( ,eventqelt) p_evlist; /* (PL) */
+struct proc {
+ LIST_ENTRY(proc) p_list; /* List of all processes. */
+
+ void * task; /* corresponding task (static)*/
+ struct proc * p_pptr; /* Pointer to parent process.(LL) */
+ pid_t p_ppid; /* process's parent pid number */
+ pid_t p_original_ppid; /* process's original parent pid number, doesn't change if reparented */
+ pid_t p_pgrpid; /* process group id of the process (LL)*/
+ uid_t p_uid;
+ gid_t p_gid;
+ uid_t p_ruid;
+ gid_t p_rgid;
+ uid_t p_svuid;
+ gid_t p_svgid;
+ uint64_t p_uniqueid; /* process unique ID - incremented on fork/spawn/vfork, remains same across exec. */
+ uint64_t p_puniqueid; /* parent's unique ID - set on fork/spawn/vfork, doesn't change if reparented. */
+
+ lck_mtx_t p_mlock; /* mutex lock for proc */
+ pid_t p_pid; /* Process identifier. (static)*/
+ char p_stat; /* S* process status. (PL)*/
+ char p_shutdownstate;
+ char p_kdebug; /* P_KDEBUG eq (CC)*/
+ char p_btrace; /* P_BTRACE eq (CC)*/
+
+ LIST_ENTRY(proc) p_pglist; /* List of processes in pgrp.(PGL) */
+ LIST_ENTRY(proc) p_sibling; /* List of sibling processes. (LL)*/
+ LIST_HEAD(, proc) p_children; /* Pointer to list of children. (LL)*/
+ TAILQ_HEAD(, uthread) p_uthlist; /* List of uthreads (PL) */
+
+ LIST_ENTRY(proc) p_hash; /* Hash chain. (LL)*/
+ TAILQ_HEAD(, eventqelt) p_evlist; /* (PL) */
#if CONFIG_PERSONAS
struct persona *p_persona;
LIST_ENTRY(proc) p_persona_list;
#endif
- lck_mtx_t p_fdmlock; /* proc lock to protect fdesc */
- lck_mtx_t p_ucred_mlock; /* mutex lock to protect p_ucred */
+ lck_mtx_t p_fdmlock; /* proc lock to protect fdesc */
+ lck_mtx_t p_ucred_mlock; /* mutex lock to protect p_ucred */
/* substructures: */
- kauth_cred_t p_ucred; /* Process owner's identity. (PUCL) */
- struct filedesc *p_fd; /* Ptr to open files structure. (PFDL) */
- struct pstats *p_stats; /* Accounting/statistics (PL). */
- struct plimit *p_limit; /* Process limits.(PL) */
-
- struct sigacts *p_sigacts; /* Signal actions, state (PL) */
- int p_siglist; /* signals captured back from threads */
- lck_spin_t p_slock; /* spin lock for itimer/profil protection */
-
-#define p_rlimit p_limit->pl_rlimit
-
- struct plimit *p_olimit; /* old process limits - not inherited by child (PL) */
- unsigned int p_flag; /* P_* flags. (atomic bit ops) */
- unsigned int p_lflag; /* local flags (PL) */
- unsigned int p_listflag; /* list flags (LL) */
- unsigned int p_ladvflag; /* local adv flags (atomic) */
- int p_refcount; /* number of outstanding users(LL) */
- int p_childrencnt; /* children holding ref on parent (LL) */
- int p_parentref; /* children lookup ref on parent (LL) */
-
- pid_t p_oppid; /* Save parent pid during ptrace. XXX */
- u_int p_xstat; /* Exit status for wait; also stop signal. */
+ kauth_cred_t p_ucred; /* Process owner's identity. (PUCL) */
+ struct filedesc *p_fd; /* Ptr to open files structure. (PFDL) */
+ struct pstats *p_stats; /* Accounting/statistics (PL). */
+ struct plimit *p_limit; /* Process limits.(PL) */
+
+ struct sigacts *p_sigacts; /* Signal actions, state (PL) */
+ lck_spin_t p_slock; /* spin lock for itimer/profil protection */
+
+#define p_rlimit p_limit->pl_rlimit
+
+ struct plimit *p_olimit; /* old process limits - not inherited by child (PL) */
+ int p_siglist; /* signals captured back from threads */
+ unsigned int p_flag; /* P_* flags. (atomic bit ops) */
+ unsigned int p_lflag; /* local flags (PL) */
+ unsigned int p_listflag; /* list flags (LL) */
+ unsigned int p_ladvflag; /* local adv flags (atomic) */
+ int p_refcount; /* number of outstanding users(LL) */
+ int p_childrencnt; /* children holding ref on parent (LL) */
+ int p_parentref; /* children lookup ref on parent (LL) */
+ pid_t p_oppid; /* Save parent pid during ptrace. XXX */
+ u_int p_xstat; /* Exit status for wait; also stop signal. */
#ifdef _PROC_HAS_SCHEDINFO_
/* may need cleanup, not used */
- u_int p_estcpu; /* Time averaged value of p_cpticks.(used by aio and proc_comapre) */
- fixpt_t p_pctcpu; /* %cpu for this process during p_swtime (used by aio)*/
- u_int p_slptime; /* used by proc_compare */
+ u_int p_estcpu; /* Time averaged value of p_cpticks.(used by aio and proc_comapre) */
+ fixpt_t p_pctcpu; /* %cpu for this process during p_swtime (used by aio)*/
+ u_int p_slptime; /* used by proc_compare */
#endif /* _PROC_HAS_SCHEDINFO_ */
- struct itimerval p_realtimer; /* Alarm timer. (PSL) */
- struct timeval p_rtime; /* Real time.(PSL) */
- struct itimerval p_vtimer_user; /* Virtual timers.(PSL) */
- struct itimerval p_vtimer_prof; /* (PSL) */
-
- struct timeval p_rlim_cpu; /* Remaining rlim cpu value.(PSL) */
- int p_debugger; /* NU 1: can exec set-bit programs if suser */
- boolean_t sigwait; /* indication to suspend (PL) */
- void *sigwait_thread; /* 'thread' holding sigwait(PL) */
- void *exit_thread; /* Which thread is exiting(PL) */
- int p_vforkcnt; /* number of outstanding vforks(PL) */
- void * p_vforkact; /* activation running this vfork proc)(static) */
- int p_fpdrainwait; /* (PFDL) */
- pid_t p_contproc; /* last PID to send us a SIGCONT (PL) */
-
+ struct itimerval p_realtimer; /* Alarm timer. (PSL) */
+ struct timeval p_rtime; /* Real time.(PSL) */
+ struct itimerval p_vtimer_user; /* Virtual timers.(PSL) */
+ struct itimerval p_vtimer_prof; /* (PSL) */
+
+ struct timeval p_rlim_cpu; /* Remaining rlim cpu value.(PSL) */
+ int p_debugger; /* NU 1: can exec set-bit programs if suser */
+ boolean_t sigwait; /* indication to suspend (PL) */
+ void *sigwait_thread; /* 'thread' holding sigwait(PL) */
+ void *exit_thread; /* Which thread is exiting(PL) */
+ void * p_vforkact; /* activation running this vfork proc)(static) */
+ int p_vforkcnt; /* number of outstanding vforks(PL) */
+ int p_fpdrainwait; /* (PFDL) */
/* Following fields are info from SIGCHLD (PL) */
- pid_t si_pid; /* (PL) */
- u_int si_status; /* (PL) */
- u_int si_code; /* (PL) */
- uid_t si_uid; /* (PL) */
+ pid_t si_pid; /* (PL) */
+ u_int si_status; /* (PL) */
+ u_int si_code; /* (PL) */
+ uid_t si_uid; /* (PL) */
- void * vm_shm; /* (SYSV SHM Lock) for sysV shared memory */
+ void * vm_shm; /* (SYSV SHM Lock) for sysV shared memory */
#if CONFIG_DTRACE
- user_addr_t p_dtrace_argv; /* (write once, read only after that) */
- user_addr_t p_dtrace_envp; /* (write once, read only after that) */
- lck_mtx_t p_dtrace_sprlock; /* sun proc lock emulation */
- int p_dtrace_probes; /* (PL) are there probes for this proc? */
- u_int p_dtrace_count; /* (sprlock) number of DTrace tracepoints */
- uint8_t p_dtrace_stop; /* indicates a DTrace-desired stop */
- struct dtrace_ptss_page* p_dtrace_ptss_pages; /* (sprlock) list of user ptss pages */
- struct dtrace_ptss_page_entry* p_dtrace_ptss_free_list; /* (atomic) list of individual ptss entries */
- struct dtrace_helpers* p_dtrace_helpers; /* (dtrace_lock) DTrace per-proc private */
- struct dof_ioctl_data* p_dtrace_lazy_dofs; /* (sprlock) unloaded dof_helper_t's */
+ user_addr_t p_dtrace_argv; /* (write once, read only after that) */
+ user_addr_t p_dtrace_envp; /* (write once, read only after that) */
+ lck_mtx_t p_dtrace_sprlock; /* sun proc lock emulation */
+ uint8_t p_dtrace_stop; /* indicates a DTrace-desired stop */
+ int p_dtrace_probes; /* (PL) are there probes for this proc? */
+ u_int p_dtrace_count; /* (sprlock) number of DTrace tracepoints */
+ struct dtrace_ptss_page* p_dtrace_ptss_pages; /* (sprlock) list of user ptss pages */
+ struct dtrace_ptss_page_entry* p_dtrace_ptss_free_list; /* (atomic) list of individual ptss entries */
+ struct dtrace_helpers* p_dtrace_helpers; /* (dtrace_lock) DTrace per-proc private */
+ struct dof_ioctl_data* p_dtrace_lazy_dofs; /* (sprlock) unloaded dof_helper_t's */
#endif /* CONFIG_DTRACE */
/* XXXXXXXXXXXXX BCOPY'ed on fork XXXXXXXXXXXXXXXX */
/* The following fields are all copied upon creation in fork. */
-#define p_startcopy p_argslen
-
- u_int p_argslen; /* Length of process arguments. */
- int p_argc; /* saved argc for sysctl_procargs() */
- user_addr_t user_stack; /* where user stack was allocated */
- struct vnode *p_textvp; /* Vnode of executable. */
- off_t p_textoff; /* offset in executable vnode */
+#define p_startcopy p_argslen
- sigset_t p_sigmask; /* DEPRECATED */
- sigset_t p_sigignore; /* Signals being ignored. (PL) */
- sigset_t p_sigcatch; /* Signals being caught by user.(PL) */
+ u_int p_argslen; /* Length of process arguments. */
+ int p_argc; /* saved argc for sysctl_procargs() */
+ user_addr_t user_stack; /* where user stack was allocated */
+ struct vnode *p_textvp; /* Vnode of executable. */
+ off_t p_textoff; /* offset in executable vnode */
- u_char p_priority; /* (NU) Process priority. */
- u_char p_resv0; /* (NU) User-priority based on p_cpu and p_nice. */
- char p_nice; /* Process "nice" value.(PL) */
- u_char p_resv1; /* (NU) User-priority based on p_cpu and p_nice. */
+ sigset_t p_sigmask; /* DEPRECATED */
+ sigset_t p_sigignore; /* Signals being ignored. (PL) */
+ sigset_t p_sigcatch; /* Signals being caught by user.(PL) */
-#if CONFIG_MACF
- int p_mac_enforce; /* MAC policy enforcement control */
-#endif
+ u_char p_priority; /* (NU) Process priority. */
+ u_char p_resv0; /* (NU) User-priority based on p_cpu and p_nice. */
+ char p_nice; /* Process "nice" value.(PL) */
+ u_char p_resv1; /* (NU) User-priority based on p_cpu and p_nice. */
// types currently in sys/param.h
command_t p_comm;
- proc_name_t p_name; /* can be changed by the process */
+ proc_name_t p_name; /* can be changed by the process */
+ uint8_t p_xhighbits; /* Stores the top byte of exit status to avoid truncation*/
+ pid_t p_contproc; /* last PID to send us a SIGCONT (PL) */
+ struct pgrp *p_pgrp; /* Pointer to process group. (LL) */
+ uint32_t p_csflags; /* flags for codesign (PL) */
+ uint32_t p_pcaction; /* action for process control on starvation */
+ uint8_t p_uuid[16]; /* from LC_UUID load command */
- struct pgrp *p_pgrp; /* Pointer to process group. (LL) */
- uint32_t p_csflags; /* flags for codesign (PL) */
- uint32_t p_pcaction; /* action for process control on starvation */
- uint8_t p_uuid[16]; /* from LC_UUID load command */
-
- /*
+ /*
* CPU type and subtype of binary slice executed in
* this process. Protected by proc lock.
*/
- cpu_type_t p_cputype;
- cpu_subtype_t p_cpusubtype;
+ cpu_type_t p_cputype;
+ cpu_subtype_t p_cpusubtype;
+
+ uint8_t *syscall_filter_mask; /* syscall filter bitmask (length: nsysent bits) */
+ uint32_t p_platform;
+ uint32_t p_sdk;
/* End area that is copied on creation. */
/* XXXXXXXXXXXXX End of BCOPY'ed on fork (AIOLOCK)XXXXXXXXXXXXXXXX */
-#define p_endcopy p_aio_total_count
- int p_aio_total_count; /* all allocated AIO requests for this proc */
- int p_aio_active_count; /* all unfinished AIO requests for this proc */
- TAILQ_HEAD( , aio_workq_entry ) p_aio_activeq; /* active async IO requests */
- TAILQ_HEAD( , aio_workq_entry ) p_aio_doneq; /* completed async IO requests */
+#define p_endcopy p_aio_total_count
+ int p_aio_total_count; /* all allocated AIO requests for this proc */
+ int p_aio_active_count; /* all unfinished AIO requests for this proc */
+ TAILQ_HEAD(, aio_workq_entry ) p_aio_activeq; /* active async IO requests */
+ TAILQ_HEAD(, aio_workq_entry ) p_aio_doneq; /* completed async IO requests */
struct klist p_klist; /* knote list (PL ?)*/
- struct rusage_superset *p_ru; /* Exit information. (PL) */
- int p_sigwaitcnt;
- thread_t p_signalholder;
- thread_t p_transholder;
-
+ struct rusage_superset *p_ru; /* Exit information. (PL) */
+ thread_t p_signalholder;
+ thread_t p_transholder;
+ int p_sigwaitcnt;
/* DEPRECATE following field */
- u_short p_acflag; /* Accounting flags. */
- volatile u_short p_vfs_iopolicy; /* VFS iopolicy flags. (atomic bit ops) */
-
- user_addr_t p_threadstart; /* pthread start fn */
- user_addr_t p_wqthread; /* pthread workqueue fn */
- int p_pthsize; /* pthread size */
- uint32_t p_pth_tsd_offset; /* offset from pthread_t to TSD for new threads */
- user_addr_t p_stack_addr_hint; /* stack allocation hint for wq threads */
- void * p_wqptr; /* workq ptr */
- struct kqueue * p_wqkqueue; /* private workq kqueue */
-
- struct timeval p_start; /* starting time */
- void * p_rcall;
- int p_ractive;
- int p_idversion; /* version of process identity */
- void * p_pthhash; /* pthread waitqueue hash */
+ u_short p_acflag; /* Accounting flags. */
+ volatile u_short p_vfs_iopolicy; /* VFS iopolicy flags. (atomic bit ops) */
+
+ user_addr_t p_threadstart; /* pthread start fn */
+ user_addr_t p_wqthread; /* pthread workqueue fn */
+ int p_pthsize; /* pthread size */
+ uint32_t p_pth_tsd_offset; /* offset from pthread_t to TSD for new threads */
+ user_addr_t p_stack_addr_hint; /* stack allocation hint for wq threads */
+ struct workqueue *_Atomic p_wqptr; /* workq ptr */
+
+ struct timeval p_start; /* starting time */
+ void * p_rcall;
+ int p_ractive;
+ int p_idversion; /* version of process identity */
+ void * p_pthhash; /* pthread waitqueue hash */
volatile uint64_t was_throttled __attribute__((aligned(8))); /* Counter for number of throttled I/Os */
volatile uint64_t did_throttle __attribute__((aligned(8))); /* Counter for number of I/Os this proc throttled */
unsigned int unlockpc[8];
#endif /* SIGNAL_DEBUG */
#endif /* DIAGNOSTIC */
- uint64_t p_dispatchqueue_offset;
- uint64_t p_dispatchqueue_serialno_offset;
+ uint64_t p_dispatchqueue_offset;
+ uint64_t p_dispatchqueue_serialno_offset;
+ uint64_t p_dispatchqueue_label_offset;
+ uint64_t p_return_to_kernel_offset;
+ uint64_t p_mach_thread_self_offset;
#if VM_PRESSURE_EVENTS
- struct timeval vm_pressure_last_notify_tstamp;
+ struct timeval vm_pressure_last_notify_tstamp;
#endif
#if CONFIG_MEMORYSTATUS
/* Fields protected by proc list lock */
TAILQ_ENTRY(proc) p_memstat_list; /* priority bucket link */
- uint32_t p_memstat_state; /* state */
+ uint32_t p_memstat_state; /* state. Also used as a wakeup channel when the memstat's LOCKED bit changes */
int32_t p_memstat_effectivepriority; /* priority after transaction state accounted for */
int32_t p_memstat_requestedpriority; /* active priority */
+ int32_t p_memstat_assertionpriority; /* assertion driven priority */
uint32_t p_memstat_dirty; /* dirty state */
uint64_t p_memstat_userdata; /* user state */
uint64_t p_memstat_idledeadline; /* time at which process became clean */
uint64_t p_memstat_idle_start; /* abstime process transitions into the idle band */
- uint64_t p_memstat_idle_delta; /* abstime delta spent in idle band */
+ uint64_t p_memstat_idle_delta; /* abstime delta spent in idle band */
int32_t p_memstat_memlimit; /* cached memory limit, toggles between active and inactive limits */
- int32_t p_memstat_memlimit_active; /* memory limit enforced when process is in active jetsam state */
- int32_t p_memstat_memlimit_inactive; /* memory limit enforced when process is in inactive jetsam state */
+ int32_t p_memstat_memlimit_active; /* memory limit enforced when process is in active jetsam state */
+ int32_t p_memstat_memlimit_inactive; /* memory limit enforced when process is in inactive jetsam state */
+ int32_t p_memstat_relaunch_flags; /* flags indicating relaunch behavior for the process */
#if CONFIG_FREEZE
- uint32_t p_memstat_suspendedfootprint; /* footprint at time of suspensions */
+ uint32_t p_memstat_freeze_sharedanon_pages; /* shared pages left behind after freeze */
+ uint32_t p_memstat_frozen_count;
+ uint32_t p_memstat_thaw_count;
#endif /* CONFIG_FREEZE */
#endif /* CONFIG_MEMORYSTATUS */
/* cached proc-specific data required for corpse inspection */
- pid_t p_responsible_pid; /* pid resonsible for this process */
+ pid_t p_responsible_pid; /* pid resonsible for this process */
+ _Atomic uint32_t p_user_faults; /* count the number of user faults generated */
+
+ uint32_t p_memlimit_increase; /* byte increase for memory limit for dyld SPI rdar://problem/49950264, structure packing 32-bit and 64-bit */
struct os_reason *p_exit_reason;
+
+#if !CONFIG_EMBEDDED
+ uint64_t p_user_data; /* general-purpose storage for userland-provided data */
+#endif /* !CONFIG_EMBEDDED */
};
#define PGRPID_DEAD 0xdeaddead
-/* p_listflag */
-#define P_LIST_DRAIN 0x00000001
-#define P_LIST_DRAINWAIT 0x00000002
-#define P_LIST_DRAINED 0x00000004
-#define P_LIST_DEAD 0x00000008
-#define P_LIST_WAITING 0x00000010
-#define P_LIST_EXITED 0x00000040
-#define P_LIST_CHILDDRSTART 0x00000080
-#define P_LIST_CHILDDRAINED 0x00000100
-#define P_LIST_CHILDDRWAIT 0x00000200
-#define P_LIST_CHILDLKWAIT 0x00000400
-#define P_LIST_DEADPARENT 0x00000800
-#define P_LIST_PARENTREFWAIT 0x00001000
-#define P_LIST_INCREATE 0x00002000
+/* p_listflag */
+#define P_LIST_DRAIN 0x00000001
+#define P_LIST_DRAINWAIT 0x00000002
+#define P_LIST_DRAINED 0x00000004
+#define P_LIST_DEAD 0x00000008
+#define P_LIST_WAITING 0x00000010
+#define P_LIST_EXITED 0x00000040
+#define P_LIST_CHILDDRSTART 0x00000080
+#define P_LIST_CHILDDRAINED 0x00000100
+#define P_LIST_CHILDDRWAIT 0x00000200
+#define P_LIST_CHILDLKWAIT 0x00000400
+#define P_LIST_DEADPARENT 0x00000800
+#define P_LIST_PARENTREFWAIT 0x00001000
+#define P_LIST_INCREATE 0x00002000
/* 0x4000 & 0x8000 Not used */
-#define P_LIST_INHASH 0x00010000 /* process is in hash */
-#define P_LIST_INPGRP 0x00020000 /* process is in pgrp */
-#define P_LIST_PGRPTRANS 0x00040000 /* pgrp is getting replaced */
-#define P_LIST_PGRPTRWAIT 0x00080000 /* wait for pgrp replacement */
-#define P_LIST_EXITCOUNT 0x00100000 /* counted for process exit */
-
+#define P_LIST_INHASH 0x00010000 /* process is in hash */
+#define P_LIST_INPGRP 0x00020000 /* process is in pgrp */
+#define P_LIST_PGRPTRANS 0x00040000 /* pgrp is getting replaced */
+#define P_LIST_PGRPTRWAIT 0x00080000 /* wait for pgrp replacement */
+#define P_LIST_EXITCOUNT 0x00100000 /* counted for process exit */
+#define P_LIST_REFWAIT 0x00200000 /* wait to take a ref */
+
/* local flags */
-#define P_LDELAYTERM 0x00000001 /* */
-#define P_LNOZOMB 0x00000002 /* */
-#define P_LTERM 0x00000004 /* */
-#define P_LEXIT 0x00000008 /* */
-#define P_LPEXIT 0x00000010
-#define P_LTRANSCOMMIT 0x00000020 /* process is committed to trans */
-#define P_LINTRANSIT 0x00000040 /* process in exec or in creation */
-#define P_LTRANSWAIT 0x00000080 /* waiting for trans to complete */
+#define P_LDELAYTERM 0x00000001 /* */
+#define P_LNOZOMB 0x00000002 /* */
+#define P_LTERM 0x00000004 /* */
+#define P_LEXIT 0x00000008 /* */
+#define P_LPEXIT 0x00000010
+#define P_LTRANSCOMMIT 0x00000020 /* process is committed to trans */
+#define P_LINTRANSIT 0x00000040 /* process in exec or in creation */
+#define P_LTRANSWAIT 0x00000080 /* waiting for trans to complete */
#define P_LVFORK 0x00000100 /* parent proc of a vfork */
#define P_LINVFORK 0x00000200 /* child proc of a vfork */
#define P_LTRACED 0x00000400 /* */
#define P_LSIGEXC 0x00000800 /* */
#define P_LNOATTACH 0x00001000 /* */
#define P_LPPWAIT 0x00002000 /* */
-#define P_LKQWDRAIN 0x00004000
-#define P_LKQWDRAINWAIT 0x00008000
-#define P_LKQWDEAD 0x00010000
-#define P_LLIMCHANGE 0x00020000
-#define P_LLIMWAIT 0x00040000
-#define P_LWAITED 0x00080000
-#define P_LINSIGNAL 0x00100000
-#define P_LRETURNWAIT 0x00200000 /* process is completing spawn/vfork-exec/fork */
-#define P_LRAGE_VNODES 0x00400000
-#define P_LREGISTER 0x00800000 /* thread start fns registered */
-#define P_LVMRSRCOWNER 0x01000000 /* can handle the resource ownership of */
-#define P_LRETURNWAITER 0x02000000 /* thread is waiting on P_LRETURNWAIT being cleared */
-#define P_LTERM_DECRYPTFAIL 0x04000000 /* process terminating due to key failure to decrypt */
-#define P_LTERM_JETSAM 0x08000000 /* process is being jetsam'd */
-#define P_JETSAM_VMPAGESHORTAGE 0x00000000 /* jetsam: lowest jetsam priority proc, killed due to vm page shortage */
-#define P_JETSAM_VMTHRASHING 0x10000000 /* jetsam: lowest jetsam priority proc, killed due to vm thrashing */
-#define P_JETSAM_HIWAT 0x20000000 /* jetsam: high water mark */
-#define P_JETSAM_PID 0x30000000 /* jetsam: pid */
-#define P_JETSAM_IDLEEXIT 0x40000000 /* jetsam: idle exit */
-#define P_JETSAM_VNODE 0x50000000 /* jetsam: vnode kill */
-#define P_JETSAM_FCTHRASHING 0x60000000 /* jetsam: lowest jetsam priority proc, killed due to filecache thrashing */
-#define P_JETSAM_MASK 0x70000000 /* jetsam type mask */
+#define P_LKQWDRAIN 0x00004000
+#define P_LKQWDRAINWAIT 0x00008000
+#define P_LKQWDEAD 0x00010000
+#define P_LLIMCHANGE 0x00020000
+#define P_LLIMWAIT 0x00040000
+#define P_LWAITED 0x00080000
+#define P_LINSIGNAL 0x00100000
+#define P_LCUSTOM_STACK 0x00200000 /* process is using custom stack size */
+#define P_LRAGE_VNODES 0x00400000
+#define P_LREGISTER 0x00800000 /* thread start fns registered */
+#define P_LVMRSRCOWNER 0x01000000 /* can handle the resource ownership of */
+#define P_LTERM_DECRYPTFAIL 0x04000000 /* process terminating due to key failure to decrypt */
+#define P_LTERM_JETSAM 0x08000000 /* process is being jetsam'd */
+
+#define P_JETSAM_VMPAGESHORTAGE 0x00000000 /* jetsam: lowest jetsam priority proc, killed due to vm page shortage */
+#define P_JETSAM_VMTHRASHING 0x10000000 /* jetsam: lowest jetsam priority proc, killed due to vm thrashing */
+#define P_JETSAM_HIWAT 0x20000000 /* jetsam: high water mark */
+#define P_JETSAM_PID 0x30000000 /* jetsam: pid */
+#define P_JETSAM_IDLEEXIT 0x40000000 /* jetsam: idle exit */
+#define P_JETSAM_VNODE 0x50000000 /* jetsam: vnode kill */
+#define P_JETSAM_FCTHRASHING 0x60000000 /* jetsam: lowest jetsam priority proc, killed due to filecache thrashing */
+#define P_JETSAM_MASK 0x70000000 /* jetsam type mask */
+#define P_LNSPACE_RESOLVER 0x80000000 /* process is the namespace resolver */
/* Process control state for resource starvation */
-#define P_PCTHROTTLE 1
-#define P_PCSUSP 2
-#define P_PCKILL 3
-#define P_PCMAX 3
+#define P_PCTHROTTLE 1
+#define P_PCSUSP 2
+#define P_PCKILL 3
+#define P_PCMAX 3
/* Process control action state on resrouce starvation */
#define PROC_ACTION_MASK 0xffff0000;
#define PROC_SETACTION_STATE(p) (p->p_pcaction = (PROC_CONTROL_STATE(p) | (PROC_CONTROL_STATE(p) << 16)))
#define PROC_RESETACTION_STATE(p) (p->p_pcaction = PROC_CONTROL_STATE(p))
+/* Process exit reason macros */
+#define PROC_HAS_EXITREASON(p) (p->p_exit_reason != OS_REASON_NULL)
+#define PROC_EXITREASON_FLAGS(p) p->p_exit_reason->osr_flags
+
/* additional process flags */
-#define P_LADVLOCK 0x01
-#define P_LXBKIDLEINPROG 0x02
+#define P_LADVLOCK 0x01
+#define P_LXBKIDLEINPROG 0x02
/* p_vfs_iopolicy flags */
-#define P_VFS_IOPOLICY_FORCE_HFS_CASE_SENSITIVITY 0x0001
+#define P_VFS_IOPOLICY_FORCE_HFS_CASE_SENSITIVITY 0x0001
+#define P_VFS_IOPOLICY_ATIME_UPDATES 0x0002
+#define P_VFS_IOPOLICY_MATERIALIZE_DATALESS_FILES 0x0004
+#define P_VFS_IOPOLICY_STATFS_NO_DATA_VOLUME 0x0008
+#define P_VFS_IOPOLICY_VALID_MASK (P_VFS_IOPOLICY_ATIME_UPDATES | P_VFS_IOPOLICY_FORCE_HFS_CASE_SENSITIVITY | P_VFS_IOPOLICY_MATERIALIZE_DATALESS_FILES | P_VFS_IOPOLICY_STATFS_NO_DATA_VOLUME)
/* process creation arguments */
-#define PROC_CREATE_FORK 0 /* independent child (running) */
-#define PROC_CREATE_SPAWN 1 /* independent child (suspended) */
-#define PROC_CREATE_VFORK 2 /* child borrows context */
+#define PROC_CREATE_FORK 0 /* independent child (running) */
+#define PROC_CREATE_SPAWN 1 /* independent child (suspended) */
+#define PROC_CREATE_VFORK 2 /* child borrows context */
-/* LP64 version of extern_proc. all pointers
+/* LP64 version of extern_proc. all pointers
* grow when we're dealing with a 64-bit process.
* WARNING - keep in sync with extern_proc
* but use native alignment of 64-bit process.
*/
#ifdef KERNEL
-#include <sys/time.h> /* user_timeval, user_itimerval */
+#include <sys/time.h> /* user_timeval, user_itimerval */
-/* This packing breaks symmetry with userspace side (struct extern_proc
- * of proc.h) for the ARMV7K ABI where 64-bit types are 64-bit aligned
+/*
+ * This packing is required to ensure symmetry between userspace and kernelspace
+ * when the kernel is 64-bit and the user application is 32-bit. All currently
+ * supported ARM slices (arm64/armv7k/arm64_32) contain the same struct
+ * alignment ABI so this packing isn't needed for ARM.
*/
+#if defined(__x86_64__)
#pragma pack(4)
+#endif
struct user32_extern_proc {
union {
struct {
- uint32_t __p_forw; /* Doubly-linked run/sleep queue. */
+ uint32_t __p_forw; /* Doubly-linked run/sleep queue. */
uint32_t __p_back;
} p_st1;
- struct user32_timeval __p_starttime; /* process start time */
+ struct user32_timeval __p_starttime; /* process start time */
} p_un;
- uint32_t p_vmspace; /* Address space. */
- uint32_t 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 */
+ uint32_t p_vmspace; /* Address space. */
+ uint32_t 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 */
- uint32_t user_stack; /* where user stack was allocated */
+ uint32_t user_stack; /* where user stack was allocated */
uint32_t exit_thread; /* XXX Which thread is exiting? */
- int p_debugger; /* allow to debug */
- boolean_t sigwait; /* indication to suspend */
+ 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 */
- uint32_t p_wchan; /* Sleep address. */
- uint32_t p_wmesg; /* Reason for sleep. */
- u_int p_swtime; /* Time swapped in or out. */
- u_int p_slptime; /* Time since last blocked. */
- struct user32_itimerval p_realtimer; /* Alarm timer. */
- struct user32_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. */
- uint32_t p_tracep; /* Trace to vnode. */
- int p_siglist; /* DEPRECATED */
- uint32_t 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];
- uint32_t p_pgrp; /* Pointer to process group. */
- uint32_t 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. */
- uint32_t p_ru; /* Exit information. XXX */
+ 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 */
+ uint32_t p_wchan; /* Sleep address. */
+ uint32_t p_wmesg; /* Reason for sleep. */
+ u_int p_swtime; /* Time swapped in or out. */
+ u_int p_slptime; /* Time since last blocked. */
+ struct user32_itimerval p_realtimer; /* Alarm timer. */
+ struct user32_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. */
+ uint32_t p_tracep; /* Trace to vnode. */
+ int p_siglist; /* DEPRECATED */
+ uint32_t 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];
+ uint32_t p_pgrp; /* Pointer to process group. */
+ uint32_t 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. */
+ uint32_t p_ru; /* Exit information. XXX */
};
#pragma pack()
struct user64_extern_proc {
union {
struct {
- user_addr_t __p_forw; /* Doubly-linked run/sleep queue. */
+ user_addr_t __p_forw; /* Doubly-linked run/sleep queue. */
user_addr_t __p_back;
} p_st1;
- struct user64_timeval __p_starttime; /* process start time */
+ struct user64_timeval __p_starttime; /* process start time */
} p_un;
- user_addr_t p_vmspace; /* Address space. */
- user_addr_t 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 */
+ user_addr_t p_vmspace; /* Address space. */
+ user_addr_t 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 */
- user_addr_t user_stack __attribute((aligned(8))); /* where user stack was allocated */
+ user_addr_t user_stack __attribute((aligned(8))); /* where user stack was allocated */
user_addr_t exit_thread; /* XXX Which thread is exiting? */
- int p_debugger; /* allow to debug */
- boolean_t sigwait; /* indication to suspend */
+ 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 */
- user_addr_t p_wchan __attribute((aligned(8))); /* Sleep address. */
- user_addr_t p_wmesg; /* Reason for sleep. */
- u_int p_swtime; /* Time swapped in or out. */
- u_int p_slptime; /* Time since last blocked. */
- struct user64_itimerval p_realtimer; /* Alarm timer. */
- struct user64_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. */
- user_addr_t p_tracep __attribute((aligned(8))); /* Trace to vnode. */
- int p_siglist; /* DEPRECATED */
- user_addr_t p_textvp __attribute((aligned(8))); /* 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];
- user_addr_t p_pgrp __attribute((aligned(8))); /* Pointer to process group. */
- user_addr_t 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. */
- user_addr_t p_ru __attribute((aligned(8))); /* Exit information. XXX */
+ 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 */
+ user_addr_t p_wchan __attribute((aligned(8))); /* Sleep address. */
+ user_addr_t p_wmesg; /* Reason for sleep. */
+ u_int p_swtime; /* Time swapped in or out. */
+ u_int p_slptime; /* Time since last blocked. */
+ struct user64_itimerval p_realtimer; /* Alarm timer. */
+ struct user64_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. */
+ user_addr_t p_tracep __attribute((aligned(8))); /* Trace to vnode. */
+ int p_siglist; /* DEPRECATED */
+ user_addr_t p_textvp __attribute((aligned(8))); /* 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];
+ user_addr_t p_pgrp __attribute((aligned(8))); /* Pointer to process group. */
+ user_addr_t 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. */
+ user_addr_t p_ru __attribute((aligned(8))); /* Exit information. XXX */
};
-#endif /* KERNEL */
+#endif /* KERNEL */
/*
* We use process IDs <= PID_MAX; PID_MAX + 1 must also fit in a pid_t,
* as it is used to represent "no process group".
*/
-extern int nprocs, maxproc; /* Current and max number of procs. */
-extern int maxprocperuid; /* Current number of procs per uid */
-extern int hard_maxproc; /* hard limit */
+extern int nprocs, maxproc; /* Current and max number of procs. */
+extern int maxprocperuid; /* Current number of procs per uid */
+extern int hard_maxproc; /* hard limit */
extern unsigned int proc_shutdown_exitcount;
-#define PID_MAX 99999
-#define NO_PID 100000
+#define PID_MAX 99999
+#define NO_PID 100000
extern lck_mtx_t * proc_list_mlock;
extern lck_mtx_t * proc_klist_mlock;
-#define BSD_SIMUL_EXECS 33 /* 32 , allow for rounding */
-#define BSD_PAGEABLE_SIZE_PER_EXEC (NCARGS + PAGE_SIZE + PAGE_SIZE) /* page for apple vars, page for executable header */
+#define BSD_SIMUL_EXECS 33 /* 32 , allow for rounding */
+#define BSD_PAGEABLE_SIZE_PER_EXEC (NCARGS + PAGE_SIZE + PAGE_SIZE) /* page for apple vars, page for executable header */
extern int execargs_cache_size;
extern int execargs_free_count;
extern vm_offset_t * execargs_cache;
-#define SESS_LEADER(p, sessp) ((sessp)->s_leader == (p))
+#define SESS_LEADER(p, sessp) ((sessp)->s_leader == (p))
-#define PIDHASH(pid) (&pidhashtbl[(pid) & pidhash])
-extern LIST_HEAD(pidhashhead, proc) *pidhashtbl;
+#define PIDHASH(pid) (&pidhashtbl[(pid) & pidhash])
+extern LIST_HEAD(pidhashhead, proc) * pidhashtbl;
extern u_long pidhash;
-#define PGRPHASH(pgid) (&pgrphashtbl[(pgid) & pgrphash])
-extern LIST_HEAD(pgrphashhead, pgrp) *pgrphashtbl;
+#define PGRPHASH(pgid) (&pgrphashtbl[(pgid) & pgrphash])
+extern LIST_HEAD(pgrphashhead, pgrp) * pgrphashtbl;
extern u_long pgrphash;
-#define SESSHASH(sessid) (&sesshashtbl[(sessid) & sesshash])
-extern LIST_HEAD(sesshashhead, session) *sesshashtbl;
+#define SESSHASH(sessid) (&sesshashtbl[(sessid) & sesshash])
+extern LIST_HEAD(sesshashhead, session) * sesshashtbl;
extern u_long sesshash;
extern lck_grp_t * proc_lck_grp;
-#if CONFIG_FINE_LOCK_GROUPS
-extern lck_grp_t * proc_mlock_grp;
extern lck_grp_t * proc_fdmlock_grp;
+extern lck_grp_t * proc_kqhashlock_grp;
+extern lck_grp_t * proc_knhashlock_grp;
+extern lck_grp_t * proc_mlock_grp;
extern lck_grp_t * proc_ucred_mlock_grp;
extern lck_grp_t * proc_slock_grp;
-#endif
extern lck_grp_attr_t * proc_lck_grp_attr;
extern lck_attr_t * proc_lck_attr;
LIST_HEAD(proclist, proc);
-extern struct proclist allproc; /* List of all processes. */
-extern struct proclist zombproc; /* List of zombie processes. */
+extern struct proclist allproc; /* List of all processes. */
+extern struct proclist zombproc; /* List of zombie processes. */
extern struct proc *initproc;
-extern void procinit(void);
+extern void procinit(void);
extern void proc_lock(struct proc *);
extern void proc_unlock(struct proc *);
extern void proc_spinlock(struct proc *);
extern void proc_ucred_lock(struct proc *);
extern void proc_ucred_unlock(struct proc *);
__private_extern__ int proc_core_name(const char *name, uid_t uid, pid_t pid,
- char *cr_name, size_t cr_name_len);
+ char *cr_name, size_t cr_name_len);
extern int isinferior(struct proc *, struct proc *);
-__private_extern__ struct proc *pzfind(pid_t); /* Find zombie by id. */
-__private_extern__ struct proc *proc_find_zombref(pid_t); /* Find zombie by id. */
-__private_extern__ void proc_drop_zombref(struct proc * p); /* Find zombie by id. */
-
-
-extern int chgproccnt(uid_t uid, int diff);
-extern void pinsertchild(struct proc *parent, struct proc *child);
-extern int enterpgrp(struct proc *p, pid_t pgid, int mksess);
-extern void fixjobc(struct proc *p, struct pgrp *pgrp, int entering);
-extern int inferior(struct proc *p);
-extern int leavepgrp(struct proc *p);
-extern void resetpriority(struct proc *);
-extern void setrunnable(struct proc *);
-extern void setrunqueue(struct proc *);
-extern int sleep(void *chan, int pri);
-extern int tsleep0(void *chan, int pri, const char *wmesg, int timo, int (*continuation)(int));
-extern int tsleep1(void *chan, int pri, const char *wmesg, u_int64_t abstime, int (*continuation)(int));
-extern int msleep0(void *chan, lck_mtx_t *mtx, int pri, const char *wmesg, int timo, int (*continuation)(int));
-extern void vfork_return(struct proc *child, int32_t *retval, int rval);
-extern int exit1(struct proc *, int, int *);
-extern int exit1_internal(struct proc *, int, int *, boolean_t, boolean_t, int);
-extern int exit_with_reason(struct proc *, int, int *, boolean_t, boolean_t, int, struct os_reason *);
-extern int fork1(proc_t, thread_t *, int, coalition_t *);
+__private_extern__ struct proc *pzfind(pid_t); /* Find zombie by id. */
+__private_extern__ struct proc *proc_find_zombref(pid_t); /* Find zombie by id. */
+__private_extern__ void proc_drop_zombref(struct proc * p); /* Find zombie by id. */
+
+
+extern int chgproccnt(uid_t uid, int diff);
+extern void pinsertchild(struct proc *parent, struct proc *child);
+extern int setsid_internal(struct proc *p);
+#ifndef __cplusplus
+extern void setlogin_internal(proc_t p, const char login[static MAXLOGNAME]);
+#endif // __cplusplus
+extern int setgroups_internal(proc_t p, u_int gidsetsize, gid_t *gidset, uid_t gmuid);
+extern int enterpgrp(struct proc *p, pid_t pgid, int mksess);
+extern void fixjobc(struct proc *p, struct pgrp *pgrp, int entering);
+extern int inferior(struct proc *p);
+extern int leavepgrp(struct proc *p);
+extern void resetpriority(struct proc *);
+extern void setrunnable(struct proc *);
+extern void setrunqueue(struct proc *);
+extern int sleep(void *chan, int pri);
+extern int tsleep0(void *chan, int pri, const char *wmesg, int timo, int (*continuation)(int));
+extern int tsleep1(void *chan, int pri, const char *wmesg, u_int64_t abstime, int (*continuation)(int));
+extern int msleep0(void *chan, lck_mtx_t *mtx, int pri, const char *wmesg, int timo, int (*continuation)(int));
+extern void vfork_return(struct proc *child, int32_t *retval, int rval);
+extern int exit1(struct proc *, int, int *);
+extern int exit1_internal(struct proc *, int, int *, boolean_t, boolean_t, int);
+extern int exit_with_reason(struct proc *, int, int *, boolean_t, boolean_t, int, struct os_reason *);
+extern int fork1(proc_t, thread_t *, int, coalition_t *);
extern void vfork_exit_internal(struct proc *p, int rv, int forced);
extern void proc_reparentlocked(struct proc *child, struct proc * newparent, int cansignal, int locked);
extern proc_t proc_findinternal(int pid, int locked);
extern proc_t proc_findthread(thread_t thread);
extern void proc_refdrain(proc_t);
+extern proc_t proc_refdrain_with_refwait(proc_t p, boolean_t get_ref_and_allow_wait);
+extern void proc_refwake(proc_t p);
extern void proc_childdrainlocked(proc_t);
extern void proc_childdrainstart(proc_t);
extern void proc_childdrainend(proc_t);
extern void session_lock(struct session * sess);
extern void session_unlock(struct session * sess);
extern struct session * pgrp_session(struct pgrp * pgrp);
-extern void session_rele(struct session *sess);
+extern void session_rele(struct session *sess);
extern int isbackground(proc_t p, struct tty *tp);
extern proc_t proc_parent(proc_t);
extern proc_t proc_parentholdref(proc_t);
#endif /* PSYNCH */
struct uthread * current_uthread(void);
-void proc_set_return_wait(struct proc *);
-void proc_clear_return_wait(proc_t p, thread_t child_thread);
-void proc_wait_to_return(void);
-
/* process iteration */
#define ALLPROC_FOREACH(var) \
*/
#define PGRP_DROPREF (1)
-extern int pgrp_iterate(struct pgrp *pgrp, unsigned int flags, proc_iterate_fn_t callout, void *arg, proc_iterate_fn_t filterfn, void *filterarg);
+extern void pgrp_iterate(struct pgrp *pgrp, unsigned int flags, proc_iterate_fn_t callout, void *arg, proc_iterate_fn_t filterfn, void *filterarg);
/*
* proc_iterate walks the `allproc` and/or `zombproc` lists, calling `filterfn`
#define PROC_ZOMBPROCLIST (1U << 1) /* walk the zombie list */
#define PROC_NOWAITTRANS (1U << 2) /* do not wait for transitions (checkdirs only) */
-extern int proc_iterate(unsigned int flags, proc_iterate_fn_t callout, void *arg, proc_iterate_fn_t filterfn, void *filterarg);
+extern void proc_iterate(unsigned int flags, proc_iterate_fn_t callout, void *arg, proc_iterate_fn_t filterfn, void *filterarg);
/*
* proc_childrenwalk walks the children of process `p`, calling `callout` for
* `PCHILDREN_FOREACH` might also be used under the `proc_list_lock` to achieve
* a similar effect.
*/
-extern int proc_childrenwalk(proc_t p, proc_iterate_fn_t callout, void *arg);
+extern void proc_childrenwalk(proc_t p, proc_iterate_fn_t callout, void *arg);
/*
* proc_rebootscan should only be used by kern_shutdown.c
pid_t dtrace_proc_selfppid(void);
uid_t dtrace_proc_selfruid(void);
-#endif /* !_SYS_PROC_INTERNAL_H_ */
+#endif /* !_SYS_PROC_INTERNAL_H_ */
projects / apple / xnu.git / blobdiff