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.\" Copyright, the authors of the Linux man-pages project
.\"
.\" SPDX-License-Identifier: Linux-man-pages-copyleft
.\"
.TH PR_GET_PDEATHSIG 2const 2025-05-17 "Linux man-pages (unreleased)"
.SH NAME
PR_GET_PDEATHSIG
\-
get the parent-death signal number of the calling process
.SH LIBRARY
Standard C library
.RI ( libc ,\~ \-lc )
.SH SYNOPSIS
.nf
.BR "#include <linux/prctl.h>" " /* Definition of " PR_* " constants */"
.B #include <sys/prctl.h>
.P
.BI "int prctl(PR_GET_PDEATHSIG, int *" sig );
.fi
.SH DESCRIPTION
Return the parent-death signal number of the calling process,
in the location pointed to by
.IR sig .
.SH RETURN VALUE
On success,
0 is returned.
On error, \-1 is returned, and
.I errno
is set to indicate the error.
.SH ERRORS
.TP
.B EFAULT
.I sig
is an invalid address.
.SH STANDARDS
Linux.
.SH HISTORY
Linux 2.3.15.
.SH SEE ALSO
.BR signal (2),
.BR PR_SET_PDEATHSIG (2const)
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