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| sysdecode_sigcode(3) | FreeBSD Library Functions Manual | sysdecode_sigcode(3) |
NAME
sysdecode_sigcode —
lookup name of signal code
LIBRARY
System Argument Decoding Library (libsysdecode, -lsysdecode)SYNOPSIS
#include <sys/types.h>
#include <stdbool.h>
#include <sysdecode.h>
const char *
sysdecode_sigcode(int
signal, int
si_code);
DESCRIPTION
Thesysdecode_sigcode() function returns a text
description of the si_code field of the
siginfo_t object associated with an instance of signal
sig. The text description contains the name of the C
macro whose value matches si_code. General purpose
signal codes such as SI_USER are handled as well as
signal-specific codes for SIGBUS,
SIGCHLD, SIGFPE,
SIGILL, SIGSEGV and
SIGTRAP. If si_code does not
represent a known signal code, sysdecode_sigcode()
returns NULL.
RETURN VALUES
Thesysdecode_sigcode() function returns a pointer to a
signal code description or NULL if
si_code is not a known signal code.
SEE ALSO
sysdecode_sigbus_code(3), sysdecode_sigchld_code(3), sysdecode_sigfpe_code(3), sysdecode_sigill_code(3), sysdecode_sigsegv_code(3), sysdecode_sigtrap_code(3)| October 17, 2016 | FreeBSD 13.1-RELEASE |
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