* 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
*/
struct label;
-/*
- * Added by SPARTA, Inc.
- */
-/*
- * Login context.
- */
-struct lctx {
- LIST_ENTRY(lctx) lc_list; /* List of all login contexts. */
- LIST_HEAD(, proc) lc_members; /* Pointer to lc members. */
- int lc_mc; /* Member Count. */
- pid_t lc_id; /* Login context ID. */
- lck_mtx_t lc_mtx; /* Mutex to protect members */
-
- struct label *lc_label; /* Login context MAC label. */
-};
-
/*
* One structure allocated per session.
*/
TAILQ_HEAD( ,eventqelt) p_evlist; /* (PL) */
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. (PL) */
+ 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) */
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;
+
/* End area that is copied on creation. */
/* XXXXXXXXXXXXX End of BCOPY'ed on fork (AIOLOCK)XXXXXXXXXXXXXXXX */
#define p_endcopy p_aio_total_count
/* DEPRECATE following field */
u_short p_acflag; /* Accounting flags. */
- volatile u_short p_vfs_iopolicy; /* VFS iopolicy flags. */
+ volatile u_short p_vfs_iopolicy; /* VFS iopolicy flags. (atomic bit ops) */
- struct lctx *p_lctx; /* Pointer to login context. */
- LIST_ENTRY(proc) p_lclist; /* List of processes in lctx. */
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_targconc; /* target concurrency ptr */
+ user_addr_t p_stack_addr_hint; /* stack allocation hint for wq threads */
void * p_wqptr; /* workq ptr */
int p_wqsize; /* allocated size */
boolean_t p_wqiniting; /* semaphore to serialze wq_open */
lck_spin_t p_wqlock; /* lock to protect work queue */
+ struct kqueue * p_wqkqueue; /* private workq kqueue */
+
struct timeval p_start; /* starting time */
void * p_rcall;
int p_ractive;
uint32_t p_memstat_state; /* state */
int32_t p_memstat_effectivepriority; /* priority after transaction state accounted for */
int32_t p_memstat_requestedpriority; /* active priority */
- uint64_t p_memstat_userdata; /* user state */
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 */
#if CONFIG_JETSAM
- int32_t p_memstat_memlimit; /* cached memory limit */
+ 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 */
#endif
#if CONFIG_FREEZE
uint32_t p_memstat_suspendedfootprint; /* footprint at time of suspensions */
#endif /* CONFIG_FREEZE */
#endif /* CONFIG_MEMORYSTATUS */
+
+ /* cached proc-specific data required for corpse inspection */
+ pid_t p_responsible_pid; /* pid resonsible for this process */
};
#define PGRPID_DEAD 0xdeaddead
#define P_LLIMWAIT 0x00040000
#define P_LWAITED 0x00080000
#define P_LINSIGNAL 0x00100000
-#define P_UNUSED 0x00200000 /* Unused */
+#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 */
-/* old P_LPTERMINATE 0x02000000 */
+#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_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 */
/* Process control state for resource starvation */
/* additional process flags */
#define P_LADVLOCK 0x01
+#define P_LXBKIDLEINPROG 0x02
/* p_vfs_iopolicy flags */
#define P_VFS_IOPOLICY_FORCE_HFS_CASE_SENSITIVITY 0x0001
#ifdef KERNEL
#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
+ */
#pragma pack(4)
struct user32_extern_proc {
union {
#define SESS_LEADER(p, sessp) ((sessp)->s_leader == (p))
-/* Lock and unlock a login context. */
-#define LCTX_LOCK(lc) lck_mtx_lock(&(lc)->lc_mtx)
-#define LCTX_UNLOCK(lc) lck_mtx_unlock(&(lc)->lc_mtx)
-#define LCTX_LOCKED(lc)
-#define LCTX_LOCK_ASSERT(lc, type)
-#define ALLLCTX_LOCK lck_mtx_lock(&alllctx_lock)
-#define ALLLCTX_UNLOCK lck_mtx_unlock(&alllctx_lock)
-extern lck_mtx_t alllctx_lock;
-extern lck_grp_t * lctx_lck_grp;
-extern lck_grp_attr_t * lctx_lck_grp_attr;
-extern lck_attr_t * lctx_lck_attr;
-
#define PIDHASH(pid) (&pidhashtbl[(pid) & pidhash])
extern LIST_HEAD(pidhashhead, proc) *pidhashtbl;
extern u_long pidhash;
#if CONFIG_FINE_LOCK_GROUPS
extern lck_grp_t * proc_mlock_grp;
extern lck_grp_t * proc_fdmlock_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 void proc_fdlock_spin(struct proc *);
extern void proc_fdunlock(struct proc *);
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);
extern int isinferior(struct proc *, struct proc *);
__private_extern__ void proc_drop_zombref(struct proc * p); /* Find zombie by id. */
-extern struct lctx *lcfind(pid_t); /* Find a login context by id */
-extern struct lctx *lccreate(void); /* Create a new login context */
-
extern int chgproccnt(uid_t uid, int diff);
-extern void enterlctx(struct proc *p, struct lctx *l, int create);
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 leavelctx(struct proc *p);
extern void resetpriority(struct proc *);
extern void setrunnable(struct proc *);
extern void setrunqueue(struct proc *);
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 fork1(proc_t, thread_t *, int);
+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 int pgrp_iterate(struct pgrp * pgrp, int flags, int (*callout)(proc_t , void *), void *arg, int (*filterfn)(proc_t , void *), void *filterarg);
extern int proc_iterate(int flags, int (*callout)(proc_t , void *), void *arg, int (*filterfn)(proc_t , void *), void *filterarg);
extern int proc_rebootscan(int (*callout)(proc_t , void *), void *arg, int (*filterfn)(proc_t , void *), void *filterarg);
extern int proc_childrenwalk(proc_t p, int (*callout)(proc_t , void *), void *arg);
-extern proc_t proc_findinternal(int pid, int funneled);
+extern proc_t proc_findinternal(int pid, int locked);
extern proc_t proc_findthread(thread_t thread);
extern void proc_refdrain(proc_t);
extern void proc_childdrainlocked(proc_t);
extern int proc_parentdropref(proc_t, int);
int itimerfix(struct timeval *tv);
int itimerdecr(struct proc * p, struct itimerval *itp, int usec);
+int timespec_is_valid(const struct timespec *);
void proc_signalstart(struct proc *, int locked);
void proc_signalend(struct proc *, int locked);
-int proc_transstart(struct proc *, int locked);
+int proc_transstart(struct proc *, int locked, int non_blocking);
void proc_transcommit(struct proc *, int locked);
void proc_transend(struct proc *, int locked);
int proc_transwait(struct proc *, int locked);
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_dopcontrol(proc_t p);
int proc_resetpcontrol(int pid);
#if PSYNCH
void pth_proc_hashinit(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);
+
/* return 1 if process is forcing case-sensitive HFS+ access, 0 for default */
extern int proc_is_forcing_hfs_case_sensitivity(proc_t);
projects / apple / xnu.git / blobdiff