#include <sys/proc.h>
__BEGIN_DECLS
#include <kern/locks.h>
+#if PSYNCH
+#include <kern/thread_call.h>
+#endif /* PSYNCH */
__END_DECLS
#if DEBUG
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) */
+ 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) */
#define SESSION_NULL (struct session *)0
+/*
+ * accessor for s_ttyp which treats it as invalid if s_ttyvp is not valid;
+ * note that s_ttyp is not a reference in the session structre, so it can
+ * become invalid out from under the session if the device is closed, without
+ * this protection. We can't safely make it into a reference without reflexive
+ * close notification of tty devices through cdevsw[].
+ *
+ * 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)
+
/*
* Session flags; used to tunnel information to lower layers and line
* disciplines, etc.
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 pgrp *p_pgrp; /* Pointer to process group. (LL) */
int p_iopol_disk; /* disk I/O policy (PL) */
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 */
/* End area that is copied on creation. */
/* XXXXXXXXXXXXX End of BCOPY'ed on fork (AIOLOCK)XXXXXXXXXXXXXXXX */
-#define p_endcopy aio_active_count
- int aio_active_count; /* entries on aio_activeq */
- int aio_done_count; /* entries on aio_doneq */
- TAILQ_HEAD( , aio_workq_entry ) aio_activeq; /* active async IO requests */
- TAILQ_HEAD( , aio_workq_entry ) 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 ?)*/
user_addr_t p_threadstart; /* pthread start fn */
user_addr_t p_wqthread; /* pthread workqueue fn */
int p_pthsize; /* pthread size */
+ user_addr_t p_targconc; /* target concurrency ptr */
void * p_wqptr; /* workq ptr */
int p_wqsize; /* allocated size */
- lck_mtx_t p_wqlock; /* lock to protect work queue */
+ boolean_t p_wqiniting; /* semaphore to serialze wq_open */
+ lck_spin_t p_wqlock; /* lock to protect work queue */
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 */
#if DIAGNOSTIC
unsigned int p_fdlock_pc[4];
unsigned int p_fdunlock_pc[4];
unsigned int unlockpc[8];
#endif /* SIGNAL_DEBUG */
#endif /* DIAGNOSTIC */
+ uint64_t p_dispatchqueue_offset;
};
#define PGRPID_DEAD 0xdeaddead
#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 */
/* local flags */
#define P_LTERM 0x00000004 /* */
#define P_LEXIT 0x00000008 /* */
#define P_LPEXIT 0x00000010
-#define P_LTHSIGSTACK 0x00000020
+#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 /* */
#define P_LINSIGNAL 0x00100000
#define P_LSIGNALWAIT 0x00200000
#define P_LRAGE_VNODES 0x00400000
+#define P_LREGISTER 0x00800000 /* thread start fns registered */
+
+/* Process control state for resource starvation */
+#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_CONTROL_STATE(p) (p->p_pcaction & P_PCMAX)
+#define PROC_ACTION_STATE(p) ((p->p_pcaction >> 16) & P_PCMAX)
+#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))
/* advisory flags in the proc */
#define P_LADVLOCK 0x01
#define PROC_CLAIMED 2
#define PROC_CLAIMED_DONE 3
+/* 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 */
+
/* LP64 version of extern_proc. all pointers
* grow when we're dealing with a 64-bit process.
#ifdef KERNEL
#include <sys/time.h> /* user_timeval, user_itimerval */
-struct user_extern_proc {
+#pragma pack(4)
+struct user32_extern_proc {
+ union {
+ struct {
+ uint32_t __p_forw; /* Doubly-linked run/sleep queue. */
+ uint32_t __p_back;
+ } p_st1;
+ 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 */
+ /* Mach related */
+ 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 */
+ /* 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 */
+};
+#pragma pack()
+struct user64_extern_proc {
union {
struct {
user_addr_t __p_forw; /* Doubly-linked run/sleep queue. */
user_addr_t __p_back;
} p_st1;
- struct user_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). */
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 user_itimerval p_realtimer; /* Alarm timer. */
- struct user_timeval p_rtime; /* Real time. */
+ 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. */
extern int nprocs, maxproc; /* Current and max number of procs. */
extern int maxprocperuid; /* Current number of procs per uid */
__private_extern__ int hard_maxproc; /* hard limit */
+extern unsigned int proc_shutdown_exitcount;
#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_PAGABLE_MAP_SIZE (BSD_SIMUL_EXECS * (NCARGS + PAGE_SIZE))
+__private_extern__ int execargs_cache_size;
+__private_extern__ int execargs_free_count;
+__private_extern__ vm_offset_t * execargs_cache;
+
#define SESS_LEADER(p, sessp) ((sessp)->s_leader == (p))
/* Lock and unlock a login context. */
extern u_long sesshash;
extern lck_grp_t * proc_lck_grp;
+extern lck_grp_t * proc_mlock_grp;
+extern lck_grp_t * proc_fdmlock_grp;
+extern lck_grp_t * proc_slock_grp;
extern lck_grp_attr_t * proc_lck_grp_attr;
extern lck_attr_t * proc_lck_attr;
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, register_t *retval, int rval);
+extern void vfork_return(struct proc *child, int32_t *retval, int rval);
extern int exit1(struct proc *, int, int *);
+extern int fork1(proc_t, thread_t *, int);
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 int pgrp_iterate(struct pgrp * pgrp, int flags, int (*callout)(proc_t , void *), void *arg, int (*filterfn)(proc_t , void *), void *filterarg);
int itimerdecr(struct proc * p, struct itimerval *itp, int usec);
void proc_signalstart(struct proc *, int locked);
void proc_signalend(struct proc *, int locked);
-void proc_transstart(struct proc *, int locked);
+int proc_transstart(struct proc *, int locked);
+void proc_transcommit(struct proc *, int locked);
void proc_transend(struct proc *, int locked);
-void proc_transwait(struct proc *, int locked);
+int proc_transwait(struct proc *, int locked);
void proc_rele_locked(struct proc * p);
void proc_knote(struct proc * p, long hint);
+void proc_knote_drain(struct proc *p);
void workqueue_init_lock(proc_t p);
void workqueue_destroy_lock(proc_t p);
+void proc_setregister(proc_t p);
+void proc_resetregister(proc_t p);
+/* returns the first thread_t in the process, or NULL XXX for NFS, DO NOT USE */
+thread_t proc_thread(proc_t);
+extern int proc_pendingsignals(proc_t, sigset_t);
+int proc_getpcontrol(int pid, int * pcontrolp);
+int proc_dopcontrol(proc_t p, void *unused_arg);
+int proc_resetpcontrol(int pid);
+#if PSYNCH
+void pth_proc_hashinit(proc_t);
+void pth_proc_hashdelete(proc_t);
+void pth_global_hashinit(void);
+extern thread_call_t psynch_thcall;
+void psynch_wq_cleanup(__unused void * param, __unused void * param1);
+extern lck_mtx_t * pthread_list_mlock;
+#endif /* PSYNCH */
+struct uthread * current_uthread(void);
#endif /* !_SYS_PROC_INTERNAL_H_ */
projects / apple / xnu.git / blobdiff