.\" Copyright, the authors of the Linux man-pages project
.\"
.\" SPDX-License-Identifier: Linux-man-pages-copyleft
.\"
.TH PR_GET_FPEXC 2const 2025-05-17 "Linux man-pages 6.16"
.SH NAME
PR_GET_FPEXC
\-
get the floating-point exception mode
.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_FPEXC, unsigned int *" mode );
.fi
.SH DESCRIPTION
Return floating-point exception mode,
in the location pointed to by
.IR mode .
.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 mode
is an invalid address.
.SH STANDARDS
Linux.
PowerPC only.
.SH HISTORY
Linux 2.4.21, 2.5.32.
(PowerPC)
.SH SEE ALSO
.BR prctl (2),
.BR PR_SET_FPEXC (2const)