summaryrefslogtreecommitdiff
path: root/sysdeps/freebsd/procstate.c
blob: 5f7beced8a28a7ccb0623d38fcc635606c765f9a (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
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
/* $Id$ */

/* 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., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.
*/

#include <config.h>
#include <glibtop.h>
#include <glibtop/error.h>
#include <glibtop/procstate.h>

#include <glibtop_suid.h>

#if !defined(__OpenBSD__)
/* && (!defined __bsdi__) */
#include <sys/user.h>
#endif

static const unsigned long _glibtop_sysdeps_proc_state =
(1L << GLIBTOP_PROC_STATE_CMD) + (1L << GLIBTOP_PROC_STATE_UID) +
(1L << GLIBTOP_PROC_STATE_GID);

static const unsigned long _glibtop_sysdeps_proc_state_new =
0;

/* Init function. */

void
glibtop_init_proc_state_p (glibtop *server)
{
	server->sysdeps.proc_state = _glibtop_sysdeps_proc_state |
		_glibtop_sysdeps_proc_state_new;
}

/* Provides detailed information about a process. */

void
glibtop_get_proc_state_p (glibtop *server,
			  glibtop_proc_state *buf,
			  pid_t pid)
{
	struct kinfo_proc *pinfo;
	int count = 0;

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

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

	/* 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, &count);
	if ((pinfo == NULL) || (count != 1)) {
		glibtop_warn_io_r (server, "kvm_getprocs (%d)", pid);
		return;
	}

#if defined(__FreeBSD__) && (__FreeBSD_version >= 500013)
#define	PROC_COMM	ki_comm
#define	PROC_SVUID	ki_svuid
#define	PROC_SVGID	ki_svgid
#define	PROC_RUID	ki_ruid
#define	PROC_RGID	ki_rgid
#define PROC_STAT	ki_stat

#else
#define	PROC_COMM	kp_proc.p_comm
#define	PROC_SVUID	kp_eproc.e_pcred.p_svuid
#define	PROC_SVGID	kp_eproc.e_pcred.p_svgid
#define	PROC_RUID	kp_eproc.e_pcred.p_ruid
#define	PROC_RGID	kp_eproc.e_pcred.p_rgid
#define	PROC_STAT	kp_proc.p_stat

#endif

	g_strlcpy (buf->cmd, pinfo [0].PROC_COMM, sizeof buf->cmd);

	buf->uid = pinfo [0].PROC_SVUID;
	buf->gid = pinfo [0].PROC_SVGID;

	/* Set the flags for the data we're about to return*/
	buf->flags = _glibtop_sysdeps_proc_state |
		_glibtop_sysdeps_proc_state_new;

#if LIBGTOP_VERSION_CODE >= 1001000
	switch (pinfo [0].PROC_STAT) {
	case SIDL:
		buf->state = 0;
		break;
	case SRUN:
		buf->state = GLIBTOP_PROCESS_RUNNING;
		break;
#ifdef SSLEEP
	case SSLEEP:
		buf->state = GLIBTOP_PROCESS_INTERRUPTIBLE;
		break;
#endif
	case SSTOP:
		buf->state = GLIBTOP_PROCESS_STOPPED;
		break;
	case SZOMB:
		buf->state = GLIBTOP_PROCESS_ZOMBIE;
		break;
	default:
		return;
	}
#else
	switch (pinfo [0].PROC_STAT) {
	case SIDL:
		buf->state = 'D';
		break;
	case SRUN:
		buf->state = 'R';
		break;
#ifdef SSLEEP
	case SSLEEP:
		buf->state = 'S';
		break;
#endif
	case SSTOP:
		buf->state = 'T';
		break;
	case SZOMB:
		buf->state = 'Z';
		break;
	default:
		return;
	}
#endif

	buf->flags |= (1L << GLIBTOP_PROC_STATE_STATE);
}