NAME
sysdecode_sigcode
—
lookup name of signal code
LIBRARY
library “libsysdecode”
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
The sysdecode_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)