summaryrefslogtreecommitdiff
path: root/sysdeps/openbsd/procsignal.c
blob: ad16f752f9126a6fe276936362f2e70522b22c6a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
/* 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;
}