xnu-2422.115.4.tar.gz

[apple/xnu.git] / bsd / sys / proc.h

diff --git a/bsd/sys/proc.h b/bsd/sys/proc.h
index 6d2e1f8ebba8a074b7dfff14671144b0d3a32ea0..afe765190395be6fa7ee01eb1ac3f0252bb38000 100644 (file)
--- a/bsd/sys/proc.h
+++ b/bsd/sys/proc.h
@@ -1,31 +1,29 @@
 /*
 /*

- * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.

  *
  *

- * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@

  * 
  * 

- * This file contains Original Code and/or Modifications of Original Code 
- * as defined in and that are subject to the Apple Public Source License 
- * Version 2.0 (the 'License'). You may not use this file except in 
- * compliance with the License.  The rights granted to you under the 
- * License may not be used to create, or enable the creation or 
- * redistribution of, unlawful or unlicensed copies of an Apple operating 
- * system, or to circumvent, violate, or enable the circumvention or 
- * violation of, any terms of an Apple operating system software license 
- * agreement.
- *
- * Please obtain a copy of the License at 
- * http://www.opensource.apple.com/apsl/ and read it before using this 
- * file.
- *
- * The Original Code and all software distributed under the License are 
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
- * Please see the License for the specific language governing rights and 
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ * 
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and

  * limitations under the License.
  * limitations under the License.

- *
- * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
+ * 
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@

  */
 /* Copyright (c) 1995, 1997 Apple Computer, Inc. All Rights Reserved */
 /*-
  */
 /* Copyright (c) 1995, 1997 Apple Computer, Inc. All Rights Reserved */
 /*-


@@ -83,15 +81,7 @@
 #endif
 #include <mach/boolean.h>
 
 #endif
 #include <mach/boolean.h>
 

-#ifdef XNU_KERNEL_PRIVATE
-#define PROC_DEF_ENABLED
-#else
-#ifndef KERNEL
-#define PROC_DEF_ENABLED
-#endif
-#endif
-
-#ifdef PROC_DEF_ENABLED
+#if defined(XNU_KERNEL_PRIVATE) || !defined(KERNEL) 

 
 struct session;
 struct pgrp;
 
 struct session;
 struct pgrp;


@@ -136,7 +126,7 @@ struct extern_proc {
        u_quad_t p_iticks;              /* Statclock hits processing intr. */
        int     p_traceflag;            /* Kernel trace points. */
        struct  vnode *p_tracep;        /* Trace to vnode. */
        u_quad_t p_iticks;              /* Statclock hits processing intr. */
        int     p_traceflag;            /* Kernel trace points. */
        struct  vnode *p_tracep;        /* Trace to vnode. */

-       int     p_siglist;              /* DEPRECATED */
+       int     p_siglist;              /* DEPRECATED. */

        struct  vnode *p_textvp;        /* Vnode of executable. */
        int     p_holdcnt;              /* If non-zero, don't swap. */
        sigset_t p_sigmask;     /* DEPRECATED. */
        struct  vnode *p_textvp;        /* Vnode of executable. */
        int     p_holdcnt;              /* If non-zero, don't swap. */
        sigset_t p_sigmask;     /* DEPRECATED. */


@@ -161,7 +151,7 @@ struct extern_proc {
 #define        SSTOP   4               /* Process debugging or suspension. */
 #define        SZOMB   5               /* Awaiting collection by parent. */
 
 #define        SSTOP   4               /* Process debugging or suspension. */
 #define        SZOMB   5               /* Awaiting collection by parent. */
 

-/* These flags are kept in p_flags. */
+/* These flags are kept in extern_proc.p_flag. */

 #define        P_ADVLOCK       0x00000001      /* Process may hold POSIX adv. lock */
 #define        P_CONTROLT      0x00000002      /* Has a controlling terminal */
 #define        P_LP64          0x00000004      /* Process is LP64 */
 #define        P_ADVLOCK       0x00000001      /* Process may hold POSIX adv. lock */
 #define        P_CONTROLT      0x00000002      /* Has a controlling terminal */
 #define        P_LP64          0x00000004      /* Process is LP64 */


@@ -177,8 +167,8 @@ struct extern_proc {
 #define        P_TIMEOUT       0x00000400      /* Timing out during sleep */
 #define        P_TRACED        0x00000800      /* Debugged process being traced */
 
 #define        P_TIMEOUT       0x00000400      /* Timing out during sleep */
 #define        P_TRACED        0x00000800      /* Debugged process being traced */
 

-#define        P_WAITED        0x00001000      /* Debugging prc has waited for child */
-#define        P_WEXIT         0x00002000      /* Working on exiting. */
+#define        P_DISABLE_ASLR  0x00001000      /* Disable address space layout randomization */
+#define        P_WEXIT         0x00002000      /* Working on exiting */

 #define        P_EXEC          0x00004000      /* Process called exec. */
 
 /* Should be moved to machine-dependent areas. */
 #define        P_EXEC          0x00004000      /* Process called exec. */
 
 /* Should be moved to machine-dependent areas. */


@@ -192,18 +182,18 @@ struct extern_proc {
 #define        P_SSTEP         0x20000 / * process needs single-step fixup ??? * /
 */
 
 #define        P_SSTEP         0x20000 / * process needs single-step fixup ??? * /
 */
 

-#define        P_WAITING       0x00040000      /* process has a wait() in progress */
-#define        P_KDEBUG        0x00080000      /* kdebug tracing on for this process */
+#define        P_DELAYIDLESLEEP 0x00040000     /* Process is marked to delay idle sleep on disk IO */
+#define        P_CHECKOPENEVT  0x00080000      /* check if a vnode has the OPENEVT flag set on open */

 
 

-#define        P_TTYSLEEP      0x00100000      /* blocked due to SIGTTOU or SIGTTIN */
+#define        P_DEPENDENCY_CAPABLE    0x00100000      /* process is ok to call vfs_markdependency() */

 #define        P_REBOOT        0x00200000      /* Process called reboot() */
 #define        P_TBE           0x00400000      /* Process is TBE */
 #define        P_REBOOT        0x00200000      /* Process called reboot() */
 #define        P_TBE           0x00400000      /* Process is TBE */

-#define        P_SIGEXC        0x00800000      /* signal exceptions */
+#define        P_RESV7         0x00800000      /* (P_SIGEXC)signal exceptions */

 
 

-#define        P_BTRACE        0x01000000      /* process is being branch traced */
-#define        P_VFORK         0x02000000      /* process has vfork children */
-#define        P_NOATTACH      0x04000000
-#define        P_INVFORK       0x08000000      /* proc in vfork */
+#define        P_THCWD         0x01000000      /* process has thread cwd  */
+#define        P_RESV9         0x02000000      /* (P_VFORK)process has vfork children */
+#define        P_RESV10        0x04000000      /* used to be P_NOATTACH */
+#define        P_RESV11        0x08000000      /* (P_INVFORK) proc in vfork */

 
 #define        P_NOSHLIB       0x10000000      /* no shared libs are in use for proc */
                                        /* flag set on exec */
 
 #define        P_NOSHLIB       0x10000000      /* no shared libs are in use for proc */
                                        /* flag set on exec */


@@ -217,18 +207,30 @@ struct extern_proc {
 #define        P_FSTRACE       0               /* Obsolete: retained for compilation */
 #define        P_SSTEP         0               /* Obsolete: retained for compilation */
 
 #define        P_FSTRACE       0               /* Obsolete: retained for compilation */
 #define        P_SSTEP         0               /* Obsolete: retained for compilation */
 

-#endif /* PROC_DEF_ENABLED */
+#define P_DIRTY_TRACK                           0x00000001      /* track dirty state */
+#define P_DIRTY_ALLOW_IDLE_EXIT                 0x00000002      /* process can be idle-exited when clean */
+#define P_DIRTY_DEFER                           0x00000004      /* defer initial opt-in to idle-exit */
+#define P_DIRTY                                 0x00000008      /* process is dirty */
+#define P_DIRTY_SHUTDOWN                        0x00000010      /* process is dirty during shutdown */
+#define P_DIRTY_TERMINATED                      0x00000020      /* process has been marked for termination */
+#define P_DIRTY_BUSY                            0x00000040      /* serialization flag */
+#define P_DIRTY_MARKED                          0x00000080      /* marked dirty previously */
+#define P_DIRTY_DEFER_IN_PROGRESS               0x00000100      /* deferral to idle-band in process */
+
+#define P_DIRTY_IS_DIRTY                        (P_DIRTY | P_DIRTY_SHUTDOWN)
+#define P_DIRTY_IDLE_EXIT_ENABLED               (P_DIRTY_TRACK|P_DIRTY_ALLOW_IDLE_EXIT)
+
+#endif /* XNU_KERNEL_PRIVATE || !KERNEL */

 
 #ifdef KERNEL
 __BEGIN_DECLS
 
 extern proc_t kernproc;
 
 
 #ifdef KERNEL
 __BEGIN_DECLS
 
 extern proc_t kernproc;
 

-extern int proc_is_classic(struct proc *p);
-struct proc *current_proc_EXTERNAL(void);
+extern int proc_is_classic(proc_t p);
+proc_t current_proc_EXTERNAL(void);

 
 extern int     msleep(void *chan, lck_mtx_t *mtx, int pri, const char *wmesg, struct timespec * ts );
 
 extern int     msleep(void *chan, lck_mtx_t *mtx, int pri, const char *wmesg, struct timespec * ts );

-extern void    unsleep(struct proc *);

 extern void    wakeup(void *chan);
 extern void wakeup_one(caddr_t chan);
 
 extern void    wakeup(void *chan);
 extern void wakeup_one(caddr_t chan);
 


@@ -263,30 +265,106 @@ extern int proc_pid(proc_t);
 extern int proc_ppid(proc_t);
 /* returns 1 if the process is marked for no remote hangs */
 extern int proc_noremotehang(proc_t);
 extern int proc_ppid(proc_t);
 /* returns 1 if the process is marked for no remote hangs */
 extern int proc_noremotehang(proc_t);

-/* returns 1 is the process is marked for force quota */
+/* returns 1 if the process is marked for force quota */

 extern int proc_forcequota(proc_t);
 
 /* this routine returns 1 if the process is running with 64bit address space, else 0 */
 extern int proc_is64bit(proc_t);
 /* is this process exiting? */
 extern int proc_exiting(proc_t);
 extern int proc_forcequota(proc_t);
 
 /* this routine returns 1 if the process is running with 64bit address space, else 0 */
 extern int proc_is64bit(proc_t);
 /* is this process exiting? */
 extern int proc_exiting(proc_t);

-/* this routine returns error is the process is not one with super user privileges */
-int proc_suser(struct proc *p);
-/* returns the ucred assicaited with the process; temporary api */
-struct ucred * proc_ucred(struct proc *p);
+/* this routine returns error if the process is not one with super user privileges */
+int proc_suser(proc_t p);
+/* returns the cred assicaited with the process; temporary api */
+kauth_cred_t proc_ucred(proc_t p);

 
 

-/* LP64todo - figure out how to identify 64-bit processes if NULL procp */
-extern int IS_64BIT_PROCESS(proc_t);
-extern int proc_pendingsignals(struct proc *, sigset_t);
-extern int proc_tbe(struct proc *);
+extern int proc_tbe(proc_t);
+
+/*!
+ @function proc_selfpgrpid
+ @abstract Get the process group id for the current process, as with proc_pgrpid().
+ @return pgrpid of current process.
+ */
+pid_t proc_selfpgrpid(void);
+
+/*!
+ @function proc_pgrpid
+ @abstract Get the process group id for the passed-in process.
+ @param p Process whose pgrpid to grab.
+ @return pgrpid for "p".
+ */
+pid_t proc_pgrpid(proc_t);

 
 #ifdef KERNEL_PRIVATE
 
 #ifdef KERNEL_PRIVATE

+// mark a process as being allowed to call vfs_markdependency()
+void bsd_set_dependency_capable(task_t task);
+extern int IS_64BIT_PROCESS(proc_t);
+

 extern int     tsleep(void *chan, int pri, const char *wmesg, int timo);
 extern int     msleep1(void *chan, lck_mtx_t *mtx, int pri, const char *wmesg, u_int64_t timo);
 extern int     tsleep(void *chan, int pri, const char *wmesg, int timo);
 extern int     msleep1(void *chan, lck_mtx_t *mtx, int pri, const char *wmesg, u_int64_t timo);

-#endif
+
+task_t proc_task(proc_t);
+extern int proc_pidversion(proc_t);
+extern int proc_getcdhash(proc_t, unsigned char *);
+
+/*! 
+ @function    proc_pidbackgrounded
+ @abstract    KPI to determine if a process is currently backgrounded.
+ @discussion  The process may move into or out of background state at any time, 
+              so be prepared for this value to be outdated immediately. 
+ @param pid   PID of the process to be queried.
+ @param state Pointer to a value which will be set to 1 if the process
+              is currently backgrounded, 0 otherwise. 
+ @return      ESRCH if pid cannot be found or has started exiting.
+
+              EINVAL if state is NULL.
+ */
+extern int proc_pidbackgrounded(pid_t pid, uint32_t* state);
+
+/* 
+ * This returns an unique 64bit id of a given process. 
+ * Caller needs to hold proper reference on the 
+ * passed in process strucutre.
+ */
+extern uint64_t proc_uniqueid(proc_t);
+
+#endif /* KERNEL_PRIVATE */
+
+#ifdef XNU_KERNEL_PRIVATE
+
+/* unique 64bit id for process's original parent */
+extern uint64_t proc_puniqueid(proc_t);
+
+extern void proc_getexecutableuuid(proc_t, unsigned char *, unsigned long);
+
+extern uint64_t proc_was_throttled(proc_t);
+extern uint64_t proc_did_throttle(proc_t);
+
+#endif /* XNU_KERNEL_PRIVATE*/

 
 __END_DECLS
 
 #endif /* KERNEL */
 
 
 __END_DECLS
 
 #endif /* KERNEL */
 

+#ifdef PRIVATE
+
+/* Values for pid_shutdown_sockets */
+#ifdef KERNEL
+#define SHUTDOWN_SOCKET_LEVEL_DISCONNECT_INTERNAL      0x0
+#endif /* KERNEL */
+#define SHUTDOWN_SOCKET_LEVEL_DISCONNECT_SVC           0x1
+#define SHUTDOWN_SOCKET_LEVEL_DISCONNECT_ALL           0x2
+
+#ifndef KERNEL
+
+__BEGIN_DECLS
+
+int pid_suspend(int pid);
+int pid_resume(int pid);
+
+
+__END_DECLS
+
+#endif /* !KERNEL */
+#endif /* PRIVATE */
+

 #endif /* !_SYS_PROC_H_ */
 #endif /* !_SYS_PROC_H_ */