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  * Copyright (c) 2014, 2016 The FreeBSD Foundation
    4  * Written by: John H. Baldwin <jhb@FreeBSD.org>
    5  * All rights reserved.
    6  *
    7  * Portions of this software were developed by Konstantin Belousov
    8  * under sponsorship from the FreeBSD Foundation.
    9  *
   10  * Redistribution and use in source and binary forms, with or without
   11  * modification, are permitted provided that the following conditions
   12  * are met:
   13  * 1. Redistributions of source code must retain the above copyright
   14  *    notice, this list of conditions and the following disclaimer.
   15  * 2. Redistributions in binary form must reproduce the above copyright
   16  *    notice, this list of conditions and the following disclaimer in the
   17  *    documentation and/or other materials provided with the distribution.
   18  *
   19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   29  * SUCH DAMAGE.
   30  *
   31  * $FreeBSD: releng/11.2/sys/sys/procctl.h 333162 2018-05-02 07:57:36Z kib $
   32  */
   33 
   34 #ifndef _SYS_PROCCTL_H_
   35 #define _SYS_PROCCTL_H_
   36 
   37 #ifndef _KERNEL
   38 #include <sys/types.h>
   39 #include <sys/wait.h>
   40 #endif
   41 
   42 #define PROC_SPROTECT           1       /* set protected state */
   43 #define PROC_REAP_ACQUIRE       2       /* reaping enable */
   44 #define PROC_REAP_RELEASE       3       /* reaping disable */
   45 #define PROC_REAP_STATUS        4       /* reaping status */
   46 #define PROC_REAP_GETPIDS       5       /* get descendants */
   47 #define PROC_REAP_KILL          6       /* kill descendants */
   48 #define PROC_TRACE_CTL          7       /* en/dis ptrace and coredumps */
   49 #define PROC_TRACE_STATUS       8       /* query tracing status */
   50 #define PROC_TRAPCAP_CTL        9       /* trap capability errors */
   51 #define PROC_TRAPCAP_STATUS     10      /* query trap capability status */
   52 #define PROC_PDEATHSIG_CTL      11      /* set parent death signal */
   53 #define PROC_PDEATHSIG_STATUS   12      /* get parent death signal */
   54 
   55 /* Operations for PROC_SPROTECT (passed in integer arg). */
   56 #define PPROT_OP(x)     ((x) & 0xf)
   57 #define PPROT_SET       1
   58 #define PPROT_CLEAR     2
   59 
   60 /* Flags for PROC_SPROTECT (ORed in with operation). */
   61 #define PPROT_FLAGS(x)  ((x) & ~0xf)
   62 #define PPROT_DESCEND   0x10
   63 #define PPROT_INHERIT   0x20
   64 
   65 /* Result of PREAP_STATUS (returned by value). */
   66 struct procctl_reaper_status {
   67         u_int   rs_flags;
   68         u_int   rs_children;
   69         u_int   rs_descendants;
   70         pid_t   rs_reaper;
   71         pid_t   rs_pid;
   72         u_int   rs_pad0[15];
   73 };
   74 
   75 /* struct procctl_reaper_status rs_flags */
   76 #define REAPER_STATUS_OWNED     0x00000001
   77 #define REAPER_STATUS_REALINIT  0x00000002
   78 
   79 struct procctl_reaper_pidinfo {
   80         pid_t   pi_pid;
   81         pid_t   pi_subtree;
   82         u_int   pi_flags;
   83         u_int   pi_pad0[15];
   84 };
   85 
   86 #define REAPER_PIDINFO_VALID    0x00000001
   87 #define REAPER_PIDINFO_CHILD    0x00000002
   88 #define REAPER_PIDINFO_REAPER   0x00000004
   89 
   90 struct procctl_reaper_pids {
   91         u_int   rp_count;
   92         u_int   rp_pad0[15];
   93         struct procctl_reaper_pidinfo *rp_pids;
   94 };
   95 
   96 struct procctl_reaper_kill {
   97         int     rk_sig;         /* in  - signal to send */
   98         u_int   rk_flags;       /* in  - REAPER_KILL flags */
   99         pid_t   rk_subtree;     /* in  - subtree, if REAPER_KILL_SUBTREE */
  100         u_int   rk_killed;      /* out - count of processes successfully
  101                                    killed */
  102         pid_t   rk_fpid;        /* out - first failed pid for which error
  103                                    is returned */
  104         u_int   rk_pad0[15];
  105 };
  106 
  107 #define REAPER_KILL_CHILDREN    0x00000001
  108 #define REAPER_KILL_SUBTREE     0x00000002
  109 
  110 #define PROC_TRACE_CTL_ENABLE           1
  111 #define PROC_TRACE_CTL_DISABLE          2
  112 #define PROC_TRACE_CTL_DISABLE_EXEC     3
  113 
  114 #define PROC_TRAPCAP_CTL_ENABLE         1
  115 #define PROC_TRAPCAP_CTL_DISABLE        2
  116 
  117 #ifndef _KERNEL
  118 __BEGIN_DECLS
  119 int     procctl(idtype_t, id_t, int, void *);
  120 __END_DECLS
  121 
  122 #endif
  123 
  124 #endif /* !_SYS_PROCCTL_H_ */

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