/*
 * Copryight 1997 Sean Eric Fagan
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by Sean Eric Fagan
 * 4. Neither the name of the author may be used to endorse or promote
 *    products derived from this software without specific prior written
 *    permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 */

/*
 * procfs ioctl definitions.
 *
 * $FreeBSD: src/sys/sys/pioctl.h,v 1.8 1999/08/28 00:51:55 peter Exp $
 * $DragonFly: src/sys/sys/pioctl.h,v 1.3 2006/05/20 02:42:13 dillon Exp $
 */

#ifndef _SYS_PIOCTL_H_
#define _SYS_PIOCTL_H_

# include <sys/ioccom.h>

struct procfs_status {
        int     state;  /* Running, stopped, something else? */
        int     flags;  /* Any flags */
        unsigned long   events; /* Events to stop on */
        int     why;    /* What event, if any, proc stopped on */
        unsigned long   val;    /* Any extra data */
};

# define        PIOCBIS _IOC(IOC_IN, 'p', 1, 0) /* Set event flag */
# define        PIOCBIC _IOC(IOC_IN, 'p', 2, 0) /* Clear event flag */
# define        PIOCSFL _IOC(IOC_IN, 'p', 3, 0) /* Set flags */
                        /* wait for proc to stop */
# define        PIOCWAIT        _IOR('p', 4, struct procfs_status)
# define        PIOCCONT        _IOC(IOC_IN, 'p', 5, 0) /* Continue a process */
                        /* Get proc status */
# define        PIOCSTATUS      _IOR('p', 6, struct procfs_status)
# define        PIOCGFL _IOR('p', 7, unsigned int)      /* Get flags */

# define S_EXEC 0x00000001      /* stop-on-exec */
# define        S_SIG   0x00000002      /* stop-on-signal */
# define        S_SCE   0x00000004      /* stop on syscall entry */
# define        S_SCX   0x00000008      /* stop on syscall exit */
# define        S_CORE  0x00000010      /* stop on coredump */
# define        S_EXIT  0x00000020      /* stop on exit */

/*
 * If PF_LINGER is set in procp->p_pfsflags, then the last close
 * of a /proc/<pid>/mem file will nto clear out the stops and continue
 * the process.
 */

# define PF_LINGER      0x01    /* Keep stops around after last close */
# define PF_ISUGID      0x02    /* Ignore UID/GID changes */

#endif