The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/sys/procctl.h

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    1 /*-
    2  * Copyright (c) 2013 Hudson River Trading LLC
    3  * Written by: John H. Baldwin <jhb@FreeBSD.org>
    4  * All rights reserved.
    5  *
    6  * Redistribution and use in source and binary forms, with or without
    7  * modification, are permitted provided that the following conditions
    8  * are met:
    9  * 1. Redistributions of source code must retain the above copyright
   10  *    notice, this list of conditions and the following disclaimer.
   11  * 2. Redistributions in binary form must reproduce the above copyright
   12  *    notice, this list of conditions and the following disclaimer in the
   13  *    documentation and/or other materials provided with the distribution.
   14  *
   15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   25  * SUCH DAMAGE.
   26  *
   27  * $FreeBSD$
   28  */
   29 
   30 #ifndef _SYS_PROCCTL_H_
   31 #define _SYS_PROCCTL_H_
   32 
   33 #ifndef _KERNEL
   34 #include <sys/types.h>
   35 #include <sys/wait.h>
   36 #endif
   37 
   38 #define PROC_SPROTECT           1       /* set protected state */
   39 #define PROC_REAP_ACQUIRE       2       /* reaping enable */
   40 #define PROC_REAP_RELEASE       3       /* reaping disable */
   41 #define PROC_REAP_STATUS        4       /* reaping status */
   42 #define PROC_REAP_GETPIDS       5       /* get descendants */
   43 #define PROC_REAP_KILL          6       /* kill descendants */
   44 #define PROC_TRACE_CTL          7       /* en/dis ptrace and coredumps */
   45 #define PROC_TRACE_STATUS       8       /* query tracing status */
   46 
   47 /* Operations for PROC_SPROTECT (passed in integer arg). */
   48 #define PPROT_OP(x)     ((x) & 0xf)
   49 #define PPROT_SET       1
   50 #define PPROT_CLEAR     2
   51 
   52 /* Flags for PROC_SPROTECT (ORed in with operation). */
   53 #define PPROT_FLAGS(x)  ((x) & ~0xf)
   54 #define PPROT_DESCEND   0x10
   55 #define PPROT_INHERIT   0x20
   56 
   57 /* Result of PREAP_STATUS (returned by value). */
   58 struct procctl_reaper_status {
   59         u_int   rs_flags;
   60         u_int   rs_children;
   61         u_int   rs_descendants;
   62         pid_t   rs_reaper;
   63         pid_t   rs_pid;
   64         u_int   rs_pad0[15];
   65 };
   66 
   67 /* struct procctl_reaper_status rs_flags */
   68 #define REAPER_STATUS_OWNED     0x00000001
   69 #define REAPER_STATUS_REALINIT  0x00000002
   70 
   71 struct procctl_reaper_pidinfo {
   72         pid_t   pi_pid;
   73         pid_t   pi_subtree;
   74         u_int   pi_flags;
   75         u_int   pi_pad0[15];
   76 };
   77 
   78 #define REAPER_PIDINFO_VALID    0x00000001
   79 #define REAPER_PIDINFO_CHILD    0x00000002
   80 #define REAPER_PIDINFO_REAPER   0x00000004
   81 
   82 struct procctl_reaper_pids {
   83         u_int   rp_count;
   84         u_int   rp_pad0[15];
   85         struct procctl_reaper_pidinfo *rp_pids;
   86 };
   87 
   88 struct procctl_reaper_kill {
   89         int     rk_sig;         /* in  - signal to send */
   90         u_int   rk_flags;       /* in  - REAPER_KILL flags */
   91         pid_t   rk_subtree;     /* in  - subtree, if REAPER_KILL_SUBTREE */
   92         u_int   rk_killed;      /* out - count of processes successfully
   93                                    killed */
   94         pid_t   rk_fpid;        /* out - first failed pid for which error
   95                                    is returned */
   96         u_int   rk_pad0[15];
   97 };
   98 
   99 #define REAPER_KILL_CHILDREN    0x00000001
  100 #define REAPER_KILL_SUBTREE     0x00000002
  101 
  102 #define PROC_TRACE_CTL_ENABLE           1
  103 #define PROC_TRACE_CTL_DISABLE          2
  104 #define PROC_TRACE_CTL_DISABLE_EXEC     3
  105 
  106 #ifndef _KERNEL
  107 __BEGIN_DECLS
  108 int     procctl(idtype_t, id_t, int, void *);
  109 __END_DECLS
  110 
  111 #endif
  112 
  113 #endif /* !_SYS_PROCCTL_H_ */

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