Commit | Line | Data |
---|---|---|
2286a995 WJ |
1 | /* |
2 | * Copyright (c) 1988 Regents of the University of California. | |
3 | * All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms, with or without | |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
8 | * 1. Redistributions of source code must retain the above copyright | |
9 | * notice, this list of conditions and the following disclaimer. | |
10 | * 2. Redistributions in binary form must reproduce the above copyright | |
11 | * notice, this list of conditions and the following disclaimer in the | |
12 | * documentation and/or other materials provided with the distribution. | |
13 | * 3. All advertising materials mentioning features or use of this software | |
14 | * must display the following acknowledgement: | |
15 | * This product includes software developed by the University of | |
16 | * California, Berkeley and its contributors. | |
17 | * 4. Neither the name of the University nor the names of its contributors | |
18 | * may be used to endorse or promote products derived from this software | |
19 | * without specific prior written permission. | |
20 | * | |
21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
31 | * SUCH DAMAGE. | |
32 | */ | |
33 | ||
34 | #ifndef lint | |
35 | char copyright[] = | |
36 | "@(#) Copyright (c) 1988 Regents of the University of California.\n\ | |
37 | All rights reserved.\n"; | |
38 | #endif /* not lint */ | |
39 | ||
40 | #ifndef lint | |
41 | static char sccsid[] = "@(#)kill.c 5.3 (Berkeley) 7/1/91"; | |
42 | #endif /* not lint */ | |
43 | ||
44 | #include <signal.h> | |
45 | #include <errno.h> | |
46 | #include <stdio.h> | |
47 | #include <stdlib.h> | |
48 | #include <string.h> | |
49 | #include <ctype.h> | |
50 | ||
51 | static char *signals[] = { | |
52 | "hup", "int", "quit", "ill", "trap", "iot", /* 1 - 6 */ | |
53 | "emt", "fpe", "kill", "bus", "segv", "sys", /* 7 - 12 */ | |
54 | "pipe", "alrm", "term", "urg", "stop", "tstp", /* 13 - 18 */ | |
55 | "cont", "chld", "ttin", "ttou", "io", "xcpu", /* 19 - 24 */ | |
56 | "xfsz", "vtalrm", "prof", "winch", "info", "usr1", /* 25 - 30 */ | |
57 | "usr2", NULL, /* 31 - 32 */ | |
58 | }; | |
59 | ||
60 | main(argc, argv) | |
61 | int argc; | |
62 | char **argv; | |
63 | { | |
64 | register int errors, numsig, pid; | |
65 | register char **p; | |
66 | char *ep; | |
67 | ||
68 | if (argc < 2) | |
69 | usage(); | |
70 | ||
71 | if (!strcmp(*++argv, "-l")) { | |
72 | printsig(stdout); | |
73 | exit(0); | |
74 | } | |
75 | ||
76 | numsig = SIGTERM; | |
77 | if (**argv == '-') { | |
78 | ++*argv; | |
79 | if (isalpha(**argv)) { | |
80 | if (!strncasecmp(*argv, "sig", 3)) | |
81 | *argv += 3; | |
82 | for (p = signals;; ++p) { | |
83 | if (!*p) | |
84 | nosig(*argv); | |
85 | if (!strcasecmp(*p, *argv)) { | |
86 | numsig = p - signals + 1; | |
87 | break; | |
88 | } | |
89 | } | |
90 | } else if (isdigit(**argv)) { | |
91 | numsig = strtol(*argv, &ep, 10); | |
92 | if (!*argv || *ep) { | |
93 | (void)fprintf(stderr, | |
94 | "kill: illegal signal number %s\n", *argv); | |
95 | exit(1); | |
96 | } | |
97 | if (numsig <= 0 || numsig > NSIG) | |
98 | nosig(*argv); | |
99 | } else | |
100 | nosig(*argv); | |
101 | ++argv; | |
102 | } | |
103 | ||
104 | if (!*argv) | |
105 | usage(); | |
106 | ||
107 | for (errors = 0; *argv; ++argv) { | |
108 | pid = strtol(*argv, &ep, 10); | |
109 | if (!*argv || *ep) { | |
110 | (void)fprintf(stderr, | |
111 | "kill: illegal process id %s\n", *argv); | |
112 | continue; | |
113 | } | |
114 | if (kill(pid, numsig) == -1) { | |
115 | (void)fprintf(stderr, | |
116 | "kill: %s: %s\n", *argv, strerror(errno)); | |
117 | errors = 1; | |
118 | } | |
119 | } | |
120 | exit(errors); | |
121 | } | |
122 | ||
123 | nosig(name) | |
124 | char *name; | |
125 | { | |
126 | (void)fprintf(stderr, | |
127 | "kill: unknown signal %s; valid signals:\n", name); | |
128 | printsig(stderr); | |
129 | exit(1); | |
130 | } | |
131 | ||
132 | printsig(fp) | |
133 | FILE *fp; | |
134 | { | |
135 | register char **p; | |
136 | ||
137 | for (p = signals; *p; ++p) { | |
138 | (void)fprintf(fp, "%s ", *p); | |
139 | if ((p - signals) == NSIG / 2 - 1) | |
140 | (void)fprintf(fp, "\n"); | |
141 | } | |
142 | (void)fprintf(fp, "\n"); | |
143 | } | |
144 | ||
145 | usage() | |
146 | { | |
147 | (void)fprintf(stderr, "usage: kill [-l] [-sig] pid ...\n"); | |
148 | exit(1); | |
149 | } |