1.\" Copyright (c) 1983, 1991, 1993
2.\" The Regents of the University of California. All rights reserved.
3.\"
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.
31.\"
32.\" @(#)psignal.3 8.2 (Berkeley) 2/27/95
| 1.\" Copyright (c) 1983, 1991, 1993
2.\" The Regents of the University of California. All rights reserved.
3.\"
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.
31.\"
32.\" @(#)psignal.3 8.2 (Berkeley) 2/27/95
|
34.\"
35.Dd February 27, 1995
36.Dt PSIGNAL 3
37.Os
38.Sh NAME
39.Nm psignal ,
40.Nm strsignal ,
41.Nm sys_siglist ,
42.Nm sys_signame
43.Nd system signal messages
44.Sh LIBRARY
45.Lb libc
46.Sh SYNOPSIS
47.In signal.h
48.Ft void
49.Fn psignal "unsigned sig" "const char *s"
50.Vt extern const char * const sys_siglist[] ;
51.Vt extern const char * const sys_signame[] ;
52.In string.h
53.Ft "char *"
54.Fn strsignal "int sig"
55.Sh DESCRIPTION
56The
57.Fn psignal
58and
59.Fn strsignal
60functions locate the descriptive message
61string for a signal number.
62.Pp
63The
64.Fn strsignal
65function accepts a signal number argument
66.Fa sig
67and returns a pointer to the corresponding message string.
68.Pp
69The
70.Fn psignal
| 34.\"
35.Dd February 27, 1995
36.Dt PSIGNAL 3
37.Os
38.Sh NAME
39.Nm psignal ,
40.Nm strsignal ,
41.Nm sys_siglist ,
42.Nm sys_signame
43.Nd system signal messages
44.Sh LIBRARY
45.Lb libc
46.Sh SYNOPSIS
47.In signal.h
48.Ft void
49.Fn psignal "unsigned sig" "const char *s"
50.Vt extern const char * const sys_siglist[] ;
51.Vt extern const char * const sys_signame[] ;
52.In string.h
53.Ft "char *"
54.Fn strsignal "int sig"
55.Sh DESCRIPTION
56The
57.Fn psignal
58and
59.Fn strsignal
60functions locate the descriptive message
61string for a signal number.
62.Pp
63The
64.Fn strsignal
65function accepts a signal number argument
66.Fa sig
67and returns a pointer to the corresponding message string.
68.Pp
69The
70.Fn psignal
|
72.Fa sig
73and writes it to the standard error.
74If the argument
75.Fa s
76is
77.Pf non- Dv NULL
78and does not point to the null character,
79.Fa s
80is written to the standard error file descriptor
81prior to the message string,
82immediately followed by a colon and a space.
83If the signal number is not recognized
84.Pq Xr sigaction 2 ,
85the string
86.Dq "Unknown signal
87is produced.
88.Pp
89The message strings can be accessed directly
90through the external array
91.Va sys_siglist ,
92indexed by recognized signal numbers.
93The external array
94.Va sys_signame
95is used similarly and
96contains short, lower-case abbreviations for signals
97which are useful for recognizing signal names
98in user input.
99The defined variable
100.Dv NSIG
101contains a count of the strings in
102.Va sys_siglist
103and
104.Va sys_signame .
105.Sh SEE ALSO
106.Xr sigaction 2 ,
107.Xr perror 3 ,
108.Xr strerror 3
109.Sh HISTORY
110The
111.Fn psignal
112function appeared in
113.Bx 4.2 .
| 72.Fa sig
73and writes it to the standard error.
74If the argument
75.Fa s
76is
77.Pf non- Dv NULL
78and does not point to the null character,
79.Fa s
80is written to the standard error file descriptor
81prior to the message string,
82immediately followed by a colon and a space.
83If the signal number is not recognized
84.Pq Xr sigaction 2 ,
85the string
86.Dq "Unknown signal
87is produced.
88.Pp
89The message strings can be accessed directly
90through the external array
91.Va sys_siglist ,
92indexed by recognized signal numbers.
93The external array
94.Va sys_signame
95is used similarly and
96contains short, lower-case abbreviations for signals
97which are useful for recognizing signal names
98in user input.
99The defined variable
100.Dv NSIG
101contains a count of the strings in
102.Va sys_siglist
103and
104.Va sys_signame .
105.Sh SEE ALSO
106.Xr sigaction 2 ,
107.Xr perror 3 ,
108.Xr strerror 3
109.Sh HISTORY
110The
111.Fn psignal
112function appeared in
113.Bx 4.2 .
|