summaryrefslogtreecommitdiff
path: root/sysdeps/freebsd/procstate.c
blob: c2f0466dd0e85ec67acef663a0ce70e7636794d8 (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
/* $Id$ */

/* 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 <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 =
#if LIBGTOP_VERSION_CODE >= 1001000
(1L << GLIBTOP_PROC_STATE_RUID) + (1L << GLIBTOP_PROC_STATE_RGID);
#else
0;
#endif

/* Init function. */

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

	return 0;
}

/* Provides detailed information about a process. */

int
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 -1;
	
	/* 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 -1;
	}

	strncpy (buf->cmd, pinfo [0].kp_proc.p_comm, sizeof (buf->cmd)-1);
	buf->cmd [sizeof (buf->cmd)-1] = 0;

	buf->uid = pinfo [0].kp_eproc.e_pcred.p_svuid;
	buf->gid = pinfo [0].kp_eproc.e_pcred.p_svgid;

#if LIBGTOP_VERSION_CODE >= 1001000
	buf->ruid = pinfo [0].kp_eproc.e_pcred.p_ruid;
	buf->rgid = pinfo [0].kp_eproc.e_pcred.p_rgid;
#endif

	/* 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].kp_proc.p_stat) {
	case SIDL:
		buf->state = 0;
		break;
	case SRUN:
		buf->state = GLIBTOP_PROCESS_RUNNING;
		break;
	case SSLEEP:
		buf->state = GLIBTOP_PROCESS_INTERRUPTIBLE;
		break;
	case SSTOP:
		buf->state = GLIBTOP_PROCESS_STOPPED;
		break;
	case SZOMB:
		buf->state = GLIBTOP_PROCESS_ZOMBIE;
		break;
	default:
		return -1;
	}
#else
	switch (pinfo [0].kp_proc.p_stat) {
	case SIDL:
		buf->state = 'S';
		break;
	case SRUN:
		buf->state = 'R';
		break;
	case SSLEEP:
		buf->state = 'S';
		break;
	case SSTOP:
		buf->state = 'T';
		break;
	case SZOMB:
		buf->state = 'Z';
		break;
	default:
		return -1;
	}
#endif

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

	return 0;
}