from small one page howto to huge articles all in one place
 

search text in:





Poll
Which kernel version do you use?





poll results

Last additions:
using iotop to find disk usage hogs

using iotop to find disk usage hogs

words:

887

views:

186341

userrating:

average rating: 1.7 (102 votes) (1=very good 6=terrible)


May 25th. 2007:
Words

486

Views

250360

why adblockers are bad


Workaround and fixes for the current Core Dump Handling vulnerability affected kernels

Workaround and fixes for the current Core Dump Handling vulnerability affected kernels

words:

161

views:

137535

userrating:

average rating: 1.4 (42 votes) (1=very good 6=terrible)


April, 26th. 2006:

Druckversion
You are here: manpages





PSIGNAL

Section: Linux Programmer's Manual (3)
Updated: 2017-09-15
Index Return to Main Contents
 

NAME

psignal, psiginfo - print signal message  

SYNOPSIS

#include <signal.h>

void psignal(int sig, const char *s);
void psiginfo(const siginfo_t *pinfo, const char *s);

extern const char *const sys_siglist[];

Feature Test Macro Requirements for glibc (see feature_test_macros(7)):

psignal():
    Since glibc 2.19:
        _DEFAULT_SOURCE
    Glibc 2.19 and earlier:
        _BSD_SOURCE || _SVID_SOURCE
psiginfo(): _POSIX_C_SOURCE >= 200809L
sys_siglist:
    Since glibc 2.19:
        _DEFAULT_SOURCE
    Glibc 2.19 and earlier:
        _BSD_SOURCE  

DESCRIPTION

The psignal() function displays a message on stderr consisting of the string s, a colon, a space, a string describing the signal number sig, and a trailing newline. If the string s is NULL or empty, the colon and space are omitted. If sig is invalid, the message displayed will indicate an unknown signal.

The psiginfo() function is like psignal(), except that it displays information about the signal described by pinfo, which should point to a valid siginfo_t structure. As well as the signal description, psiginfo() displays information about the origin of the signal, and other information relevant to the signal (e.g., the relevant memory address for hardware-generated signals, the child process ID for SIGCHLD, and the user ID and process ID of the sender, for signals set using kill(2) or sigqueue(3)).

The array sys_siglist holds the signal description strings indexed by signal number.  

RETURN VALUE

The psignal() and psiginfo() functions return no value.  

VERSIONS

The psiginfo() function was added to glibc in version 2.10.  

ATTRIBUTES

For an explanation of the terms used in this section, see attributes(7).
InterfaceAttributeValue
psignal(), psiginfo() Thread safetyMT-Safe locale

 

CONFORMING TO

POSIX.1-2008, 4.3BSD.  

BUGS

In glibc versions up to 2.12, psiginfo() had the following bugs:
*
In some circumstances, a trailing newline is not printed.
*
Additional details are not displayed for real-time signals.
 

SEE ALSO

sigaction(2), perror(3), strsignal(3), signal(7)  

COLOPHON

This page is part of release 4.13 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at https://www.kernel.org/doc/man-pages/.


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
VERSIONS
ATTRIBUTES
CONFORMING TO
BUGS
SEE ALSO
COLOPHON





Support us on Content Nation
rdf newsfeed | rss newsfeed | Atom newsfeed
- Powered by LeopardCMS - Running on Gentoo -
Copyright 2004-2020 Sascha Nitsch Unternehmensberatung GmbH
Valid XHTML1.1 : Valid CSS : buttonmaker
- Level Triple-A Conformance to Web Content Accessibility Guidelines 1.0 -
- Copyright and legal notices -
Time to create this page: 16.7 ms