X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/d190cdc3f5544636abb56dc1874be391d3e1b148..cb3231590a3c94ab4375e2228bd5e86b0cf1ad7e:/bsd/sys/proc_internal.h diff --git a/bsd/sys/proc_internal.h b/bsd/sys/proc_internal.h index a6bfe6bc3..763515e8f 100644 --- a/bsd/sys/proc_internal.h +++ b/bsd/sys/proc_internal.h @@ -1,8 +1,8 @@ /* - * 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 @@ -11,10 +11,10 @@ * 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, @@ -22,7 +22,7 @@ * 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 */ @@ -73,13 +73,12 @@ */ #ifndef _SYS_PROC_INTERNAL_H_ -#define _SYS_PROC_INTERNAL_H_ +#define _SYS_PROC_INTERNAL_H_ #include #include #include // command/proc_name_t - __BEGIN_DECLS #include #if PSYNCH @@ -88,41 +87,40 @@ __BEGIN_DECLS __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; @@ -134,44 +132,44 @@ struct session { * NB: 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); \ @@ -192,185 +190,181 @@ struct proc; * 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 +#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 */ + 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 */ - sigset_t p_sigmask; /* DEPRECATED */ - sigset_t p_sigignore; /* Signals being ignored. (PL) */ - sigset_t p_sigcatch; /* Signals being caught by user.(PL) */ + sigset_t p_sigmask; /* DEPRECATED */ + sigset_t p_sigignore; /* Signals being ignored. (PL) */ + sigset_t p_sigcatch; /* Signals being caught by user.(PL) */ - 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. */ - -#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 */ @@ -382,103 +376,120 @@ struct proc { 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_REFWAIT 0x00200000 /* wait to take a ref */ - +#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_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_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; @@ -492,184 +503,193 @@ struct proc { #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 /* user_timeval, user_itimerval */ +#include /* 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 *); @@ -685,31 +705,36 @@ extern void proc_fdlock_assert(proc_t p, int assertflags); 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); @@ -735,7 +760,7 @@ extern void pgrp_unlock(struct pgrp * pgrp); 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); @@ -812,7 +837,7 @@ typedef int (*proc_iterate_fn_t)(proc_t, void *); */ #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` @@ -827,7 +852,7 @@ extern int pgrp_iterate(struct pgrp *pgrp, unsigned int flags, proc_iterate_fn_t #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 @@ -836,7 +861,7 @@ extern int proc_iterate(unsigned int flags, proc_iterate_fn_t callout, void *arg * `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 @@ -847,4 +872,4 @@ pid_t dtrace_proc_selfpid(void); pid_t dtrace_proc_selfppid(void); uid_t dtrace_proc_selfruid(void); -#endif /* !_SYS_PROC_INTERNAL_H_ */ +#endif /* !_SYS_PROC_INTERNAL_H_ */