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
|
/*
* kill.c - send a signal to process
* Copyright 1998-2002 by Albert Cahalan
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <unistd.h>
#include <getopt.h>
#include <stdlib.h>
#include <stdio.h>
#include <signal.h>
#include <ctype.h>
#include "c.h"
#include "signals.h"
#include "strutils.h"
#include "nls.h"
/* kill help */
static void __attribute__ ((__noreturn__)) print_usage(FILE * out)
{
fputs(USAGE_HEADER, out);
fprintf(out,
_(" %s [options] <pid> [...]\n"), program_invocation_short_name);
fputs(USAGE_OPTIONS, out);
fputs(_(" <pid> [...] send signal to every <pid> listed\n"), out);
fputs(_(" -<signal>, -s, --signal <signal>\n"
" specify the <signal> to be sent\n"), out);
fputs(_(" -l, --list=[<signal>] list all signal names, or convert one to a name\n"), out);
fputs(_(" -L, --table list all signal names in a nice table\n"), out);
fputs(USAGE_SEPARATOR, out);
fputs(USAGE_HELP, out);
fputs(USAGE_VERSION, out);
fprintf(out, USAGE_MAN_TAIL("kill(1)"));
exit(out == stderr ? EXIT_FAILURE : EXIT_SUCCESS);
}
int main(int argc, char **argv)
{
int signo, i, sigopt=0, loop=1;
long pid;
int exitvalue = EXIT_SUCCESS;
static const struct option longopts[] = {
{"list", optional_argument, NULL, 'l'},
{"table", no_argument, NULL, 'L'},
{"signal", required_argument, NULL, 's'},
{"help", no_argument, NULL, 'h'},
{"version", no_argument, NULL, 'V'},
{NULL, 0, NULL, 0}
};
setlocale (LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
if (argc < 2)
print_usage(stderr);
signo = skill_sig_option(&argc, argv);
if (signo < 0)
signo = SIGTERM;
else
sigopt++;
opterr=0; /* suppress errors on -123 */
while (loop == 1 && (i = getopt_long(argc, argv, "l::Ls:hV", longopts, NULL)) != -1)
switch (i) {
case 'l':
if (optarg) {
char *s;
s = strtosig(optarg);
if (s)
printf("%s\n", s);
else
xwarnx(_("unknown signal name %s"),
optarg);
free(s);
} else {
unix_print_signals();
}
exit(EXIT_SUCCESS);
case 'L':
pretty_print_signals();
exit(EXIT_SUCCESS);
case 's':
signo = signal_name_to_number(optarg);
break;
case 'h':
print_usage(stdout);
case 'V':
fprintf(stdout, PROCPS_NG_VERSION);
exit(EXIT_SUCCESS);
case '?':
if (!isdigit(optopt)) {
xwarnx(_("invalid argument %c"), optopt);
print_usage(stderr);
} else {
/* Special case for signal digit negative
* PIDs */
pid = (long)('0' - optopt);
if (kill((pid_t)pid, signo) != 0)
exitvalue = EXIT_FAILURE;
exit(exitvalue);
}
loop=0;
break;
default:
print_usage(stderr);
}
argc -= optind + sigopt;
argv += optind;
for (i = 0; i < argc; i++) {
pid = strtol_or_err(argv[i], _("failed to parse argument"));
if (!kill((pid_t) pid, signo))
continue;
exitvalue = EXIT_FAILURE;
continue;
}
return exitvalue;
}
|
