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-rw-r--r--busybox/procps/kill.c156
1 files changed, 156 insertions, 0 deletions
diff --git a/busybox/procps/kill.c b/busybox/procps/kill.c
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index 000000000..25a8d0124
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+++ b/busybox/procps/kill.c
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1/* vi: set sw=4 ts=4: */
2/*
3 * Mini kill/killall implementation for busybox
4 *
5 * Copyright (C) 1995, 1996 by Bruce Perens <bruce@pixar.com>.
6 * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 *
22 */
23
24
25#include <stdio.h>
26#include <stdlib.h>
27#include <errno.h>
28#include <unistd.h>
29#include <signal.h>
30#include <ctype.h>
31#include <string.h>
32#include <unistd.h>
33#include "busybox.h"
34
35#define KILL 0
36#define KILLALL 1
37
38extern int kill_main(int argc, char **argv)
39{
40 int whichApp, signo = SIGTERM;
41 const char *name;
42 int errors = 0;
43
44#ifdef CONFIG_KILLALL
45 int quiet=0;
46 /* Figure out what we are trying to do here */
47 whichApp = (strcmp(bb_applet_name, "killall") == 0)? KILLALL : KILL;
48#else
49 whichApp = KILL;
50#endif
51
52 /* Parse any options */
53 if (argc < 2)
54 bb_show_usage();
55
56 if(argv[1][0] != '-'){
57 argv++;
58 argc--;
59 goto do_it_now;
60 }
61
62 /* The -l option, which prints out signal names. */
63 if(argv[1][1]=='l' && argv[1][2]=='\0'){
64 if(argc==2) {
65 /* Print the whole signal list */
66 int col = 0;
67 for(signo=1; signo < NSIG; signo++) {
68 name = u_signal_names(0, &signo, 1);
69 if(name==NULL) /* unnamed */
70 continue;
71 col += printf("%2d) %-16s", signo, name);
72 if (col > 60) {
73 printf("\n");
74 col = 0;
75 }
76 }
77 printf("\n");
78
79 } else {
80 for(argv++; *argv; argv++) {
81 name = u_signal_names(*argv, &signo, -1);
82 if(name!=NULL)
83 printf("%s\n", name);
84 }
85 }
86 /* If they specified -l, were all done */
87 return EXIT_SUCCESS;
88 }
89
90#ifdef CONFIG_KILLALL
91 /* The -q quiet option */
92 if(argv[1][1]=='q' && argv[1][2]=='\0'){
93 quiet++;
94 argv++;
95 argc--;
96 if(argc<2 || argv[1][0] != '-'){
97 goto do_it_now;
98 }
99 }
100#endif
101
102 if(!u_signal_names(argv[1]+1, &signo, 0))
103 bb_error_msg_and_die( "bad signal name '%s'", argv[1]+1);
104 argv+=2;
105 argc-=2;
106
107do_it_now:
108
109 if (whichApp == KILL) {
110 /* Looks like they want to do a kill. Do that */
111 while (--argc >= 0) {
112 int pid;
113
114 if (!isdigit(**argv))
115 bb_error_msg_and_die( "Bad PID '%s'", *argv);
116 pid = strtol(*argv, NULL, 0);
117 if (kill(pid, signo) != 0) {
118 bb_perror_msg( "Could not kill pid '%d'", pid);
119 errors++;
120 }
121 argv++;
122 }
123
124 }
125#ifdef CONFIG_KILLALL
126 else {
127 pid_t myPid=getpid();
128 /* Looks like they want to do a killall. Do that */
129 while (--argc >= 0) {
130 long* pidList;
131
132 pidList = find_pid_by_name(*argv);
133 if (!pidList || *pidList<=0) {
134 errors++;
135 if (quiet==0)
136 bb_error_msg( "%s: no process killed", *argv);
137 } else {
138 long *pl;
139
140 for(pl = pidList; *pl !=0 ; pl++) {
141 if (*pl==myPid)
142 continue;
143 if (kill(*pl, signo) != 0) {
144 errors++;
145 if (quiet==0)
146 bb_perror_msg( "Could not kill pid '%ld'", *pl);
147 }
148 }
149 }
150 free(pidList);
151 argv++;
152 }
153 }
154#endif
155 return errors;
156}