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
|
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1994-1999 by Sun Microsystems, Inc.
* All rights reserved.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <string.h>
#include <errno.h>
#include <sys/types.h>
#include <signal.h>
#include <libproc.h>
static int stop(char *);
static int perr(char *);
static char *command;
static char *procname;
int
main(int argc, char **argv)
{
int rc = 0;
if ((command = strrchr(argv[0], '/')) != NULL)
command++;
else
command = argv[0];
if (argc <= 1) {
(void) fprintf(stderr, "usage:\t%s pid ...\n", command);
(void) fprintf(stderr,
" (stop processes with /proc request)\n");
return (2);
}
while (--argc > 0)
rc += stop(*++argv);
return (rc);
}
static int
stop(char *arg)
{
char ctlfile[100];
long ctl[1];
int ctlfd, gcode;
pid_t pid;
procname = arg; /* for perr() */
if ((pid = proc_arg_psinfo(arg, PR_ARG_PIDS, NULL, &gcode)) == -1) {
(void) fprintf(stderr, "%s: cannot control %s: %s\n",
command, arg, Pgrab_error(gcode));
return (1);
}
(void) sprintf(ctlfile, "/proc/%d/ctl", (int)pid);
errno = 0;
if ((ctlfd = open(ctlfile, O_WRONLY)) >= 0) {
ctl[0] = PCDSTOP;
(void) write(ctlfd, ctl, sizeof (long));
(void) close(ctlfd);
}
return (perr(NULL));
}
static int
perr(char *s)
{
if (errno == 0)
return (0);
if (s)
(void) fprintf(stderr, "%s: ", procname);
else
s = procname;
perror(s);
return (1);
}
|
