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1 | .\" Copyright (c) 1983, 1991 Regents of the University of California. |
2 | .\" All rights reserved. | |
d94af13c | 3 | .\" |
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4 | .\" Redistribution and use in source and binary forms, with or without |
5 | .\" modification, are permitted provided that the following conditions | |
6 | .\" are met: | |
7 | .\" 1. Redistributions of source code must retain the above copyright | |
8 | .\" notice, this list of conditions and the following disclaimer. | |
9 | .\" 2. Redistributions in binary form must reproduce the above copyright | |
10 | .\" notice, this list of conditions and the following disclaimer in the | |
11 | .\" documentation and/or other materials provided with the distribution. | |
12 | .\" 3. All advertising materials mentioning features or use of this software | |
13 | .\" must display the following acknowledgement: | |
14 | .\" This product includes software developed by the University of | |
15 | .\" California, Berkeley and its contributors. | |
16 | .\" 4. Neither the name of the University nor the names of its contributors | |
17 | .\" may be used to endorse or promote products derived from this software | |
18 | .\" without specific prior written permission. | |
19 | .\" | |
20 | .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
21 | .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
22 | .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
23 | .\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
24 | .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
25 | .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
26 | .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
27 | .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
28 | .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
29 | .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
30 | .\" SUCH DAMAGE. | |
af359dea C |
31 | .\" |
32 | .\" @(#)psignal.3 6.2 (Berkeley) 4/19/91 | |
33 | .\" | |
34 | .Dd April 19, 1991 | |
35 | .Dt PSIGNAL 3 | |
36 | .Os BSD 4.2 | |
37 | .Sh NAME | |
38 | .Nm psignal , | |
39 | .Nm sys_siglist | |
40 | .Nd system signal messages | |
41 | .Sh SYNOPSIS | |
42 | .Fd #include <sys/signal.h> | |
43 | .Ft void | |
44 | .Fn psignal "unsigned sig" "const char *s" | |
45 | .Vt extern char *sys_siglist[]; | |
46 | .Sh DESCRIPTION | |
47 | The | |
48 | .Fn psignal | |
49 | function locates the descriptive message | |
50 | string for the given signal | |
51 | .Fa sig | |
52 | number | |
53 | and writes it to the | |
54 | .Em stderr . | |
55 | .Pp | |
56 | If the argument | |
57 | .Fa s | |
58 | is | |
59 | .Pf non- Dv NULL | |
60 | it is written to the | |
61 | .Em stderr | |
62 | prior to the message string. | |
63 | The signal number should be from among those found in | |
64 | .Aq Pa signal.h . | |
65 | .Pp | |
66 | The message strings can be accessed directly | |
67 | using the external character array | |
68 | .Va sys_siglist . | |
69 | The defined variable | |
70 | .Dv NSIG | |
71 | contains a count of the messages in | |
72 | .Va sys_siglist . | |
73 | .Sh SEE ALSO | |
74 | .Xr sigaction 2 , | |
75 | .Xr perror 3 | |
76 | .Sh HISTORY | |
77 | The | |
78 | .Fn psignal | |
79 | function appeared in | |
80 | .Bx 4.2 . |