sys/sys/pioctl.h

   1 /*
   2  * Copryight 1997 Sean Eric Fagan
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  * 3. All advertising materials mentioning features or use of this software
  13  *    must display the following acknowledgement:
  14  *      This product includes software developed by Sean Eric Fagan
  15  * 4. Neither the name of the author may be used to endorse or promote
  16  *    products derived from this software without specific prior written
  17  *    permission.
  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  */
  32
  33 /*
  34  * procfs ioctl definitions.
  35  *
  36  * $FreeBSD: src/sys/sys/pioctl.h,v 1.8 1999/08/28 00:51:55 peter Exp $
  37  * $DragonFly: src/sys/sys/pioctl.h,v 1.3 2006/05/20 02:42:13 dillon Exp $
  38  */
  39
  40 #ifndef _SYS_PIOCTL_H_
  41 #define _SYS_PIOCTL_H_
  42
  43 # include <sys/ioccom.h>
  44
  45 struct procfs_status {
  46         int     state;  /* Running, stopped, something else? */
  47         int     flags;  /* Any flags */
  48         unsigned long   events; /* Events to stop on */
  49         int     why;    /* What event, if any, proc stopped on */
  50         unsigned long   val;    /* Any extra data */
  51 };
  52
  53 # define        PIOCBIS _IOC(IOC_IN, 'p', 1, 0) /* Set event flag */
  54 # define        PIOCBIC _IOC(IOC_IN, 'p', 2, 0) /* Clear event flag */
  55 # define        PIOCSFL _IOC(IOC_IN, 'p', 3, 0) /* Set flags */
  56                         /* wait for proc to stop */
  57 # define        PIOCWAIT        _IOR('p', 4, struct procfs_status)
  58 # define        PIOCCONT        _IOC(IOC_IN, 'p', 5, 0) /* Continue a process */
  59                         /* Get proc status */
  60 # define        PIOCSTATUS      _IOR('p', 6, struct procfs_status)
  61 # define        PIOCGFL _IOR('p', 7, unsigned int)      /* Get flags */
  62
  63 # define S_EXEC 0x00000001      /* stop-on-exec */
  64 # define        S_SIG   0x00000002      /* stop-on-signal */
  65 # define        S_SCE   0x00000004      /* stop on syscall entry */
  66 # define        S_SCX   0x00000008      /* stop on syscall exit */
  67 # define        S_CORE  0x00000010      /* stop on coredump */
  68 # define        S_EXIT  0x00000020      /* stop on exit */
  69
  70 /*
  71  * If PF_LINGER is set in procp->p_pfsflags, then the last close
  72  * of a /proc/<pid>/mem file will nto clear out the stops and continue
  73  * the process.
  74  */
  75
  76 # define PF_LINGER      0x01    /* Keep stops around after last close */
  77 # define PF_ISUGID      0x02    /* Ignore UID/GID changes */
  78
  79 #endif