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5d41551c | 1 | /* |
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2 | * Copyright (c) 1988 Regents of the University of California. |
3 | * All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms are permitted | |
6 | * provided that the above copyright notice and this paragraph are | |
7 | * duplicated in all such forms and that any documentation, | |
8 | * advertising materials, and other materials related to such | |
9 | * distribution and use acknowledge that the software was developed | |
10 | * by the University of California, Berkeley. The name of the | |
11 | * University may not be used to endorse or promote products derived | |
12 | * from this software without specific prior written permission. | |
13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
14 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
15 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
5d41551c BJ |
16 | */ |
17 | ||
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18 | #ifndef lint |
19 | char copyright[] = | |
20 | "@(#) Copyright (c) 1988 Regents of the University of California.\n\ | |
21 | All rights reserved.\n"; | |
22 | #endif /* not lint */ | |
23 | ||
24 | #ifndef lint | |
25 | static char sccsid[] = "@(#)kill.c 4.5 (Berkeley) %G%"; | |
26 | #endif /* not lint */ | |
27 | ||
5d41551c | 28 | #include <signal.h> |
8e7b7599 | 29 | #include <stdio.h> |
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30 | #include <ctype.h> |
31 | ||
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32 | static char *signals[] = { |
33 | "hup", "int", "quit", "ill", "trap", "iot", /* 1 - 6 */ | |
34 | "emt", "fpe", "kill", "bus", "segv", "sys", /* 7 - 12 */ | |
35 | "pipe", "alrm", "term", "urg", "stop", "tstp", /* 13 - 18 */ | |
36 | "cont", "chld", "ttin", "ttou", "io", "xcpu", /* 19 - 24 */ | |
37 | "xfsz", "vtalrm", "prof", "winch", "29", "usr1", /* 25 - 30 */ | |
38 | "usr2", NULL, /* 31 - 32 */ | |
39 | }; | |
5d41551c BJ |
40 | |
41 | main(argc, argv) | |
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42 | int argc; |
43 | char **argv; | |
5d41551c | 44 | { |
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45 | register int numsig; |
46 | register char **p; | |
47 | int errors; | |
48 | ||
49 | if (argc < 2) | |
50 | usage(); | |
5d41551c | 51 | |
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52 | if (!strcmp(*++argv, "-l")) { |
53 | printsig(); | |
54 | exit(0); | |
5d41551c | 55 | } |
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56 | |
57 | numsig = SIGTERM; | |
58 | if (**argv == '-') { | |
59 | ++*argv; | |
60 | if (isalpha(**argv)) { | |
61 | if (!strncasecmp(*argv, "sig", 3)) | |
62 | *argv += 3; | |
63 | for (p = signals;; ++p) { | |
64 | if (!*p) | |
65 | goto error; | |
66 | if (!strcasecmp(*p, *argv)) { | |
67 | numsig = p - signals + 1; | |
68 | break; | |
69 | } | |
f1c5de9d | 70 | } |
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71 | } |
72 | else if (isdigit(**argv)) { | |
73 | numsig = atoi(*argv); | |
74 | if (numsig <= 0 || numsig > NSIG) | |
75 | goto error; | |
76 | } | |
77 | else { | |
78 | error: printf("kill: unknown signal %s; valid signals:\n", *argv); | |
79 | printsig(); | |
f1c5de9d | 80 | exit(1); |
f1c5de9d | 81 | } |
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82 | ++argv; |
83 | } | |
84 | ||
85 | if (!*argv) | |
86 | usage(); | |
87 | ||
88 | for (errors = 0; *argv; ++argv) { | |
89 | if (!isdigit(**argv)) | |
90 | usage(); | |
91 | if (kill(atoi(*argv), numsig) == -1) { | |
92 | perror(*argv); | |
93 | errors = 1; | |
5d41551c | 94 | } |
5d41551c | 95 | } |
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96 | exit(errors); |
97 | } | |
98 | ||
99 | static | |
100 | printsig() | |
101 | { | |
102 | register char **p; | |
103 | ||
104 | for (p = signals; *p; ++p) { | |
105 | printf("%s ", *p); | |
106 | if ((p - signals) == NSIG / 2 - 1) | |
107 | printf("\n"); | |
108 | } | |
109 | printf("\n"); | |
110 | } | |
111 | ||
112 | static | |
113 | usage() | |
114 | { | |
115 | printf("usage: kill [-l] [-sig] pid ...\n"); | |
116 | exit(2); | |
5d41551c | 117 | } |