/* Copyright (C) 1998 Joshua Sled

   This file is part of LibGTop 1.0.

   Contributed by Joshua Sled <jsled@xcf.berkeley.edu>, July 1998.

   LibGTop is free software; you can redistribute it and/or modify it

   under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 2 of the License,

   or (at your option) any later version.

   LibGTop is distributed in the hope that it will be useful, but WITHOUT

   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

   for more details.

   You should have received a copy of the GNU General Public License

   along with LibGTop; see the file COPYING. If not, write to the

   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,

   Boston, MA 02110-1301, USA.

*/

#include <config.h>

#include <glibtop.h>

#include <glibtop/error.h>

#include <glibtop/procsignal.h>

#include <glibtop_suid.h>

#include <sys/param.h>

static const unsigned long _glibtop_sysdeps_proc_signal =

(1L << GLIBTOP_PROC_SIGNAL_SIGNAL) +

(1L << GLIBTOP_PROC_SIGNAL_BLOCKED) +

(1L << GLIBTOP_PROC_SIGNAL_SIGIGNORE) +

(1L << GLIBTOP_PROC_SIGNAL_SIGCATCH);

/* Init function. */

void

_glibtop_init_proc_signal_p (glibtop *server)

{

	server->sysdeps.proc_signal = _glibtop_sysdeps_proc_signal;

}

void

glibtop_get_proc_signal_p (glibtop *server,

			   glibtop_proc_signal *buf,

			   pid_t pid)

{

	struct kinfo_proc *pinfo;

	int count = 0;

	glibtop_init_p (server, (1L << GLIBTOP_SYSDEPS_PROC_SIGNAL), 0);

	memset (buf, 0, sizeof (glibtop_proc_signal));

	/* It does not work for the swapper task. */

	if (pid == 0) return;

	/* Get the process information */

	pinfo = kvm_getprocs (server->machine->kd, KERN_PROC_PID, pid,

			      sizeof (*pinfo), &count);

	if (pinfo == NULL) {

		glibtop_warn_io_r (server, "kvm_getprocs (%d)", pid);

		return;

	}

	/* signal: mask of pending signals.

	 *         pinfo [0].kp_proc.p_siglist

	 */

	buf->signal [0] = pinfo [0].p_siglist;

	/* blocked: mask of blocked signals.

	 *          pinfo [0].kp_proc.p_sigmask

	 */

	buf->blocked [0] = pinfo [0].p_sigmask;

	/* sigignore: mask of ignored signals.

	 *            pinfo [0].kp_proc.p_sigignore

	*/

	buf->sigignore [0] = pinfo [0].p_sigignore;

	/* sigcatch: mask of caught signals.

	 *           pinfo [0].kp_proc.p_sigcatch

	*/

	buf->sigcatch [0] = pinfo [0].p_sigcatch;

	buf->flags = _glibtop_sysdeps_proc_signal;

}