pr_set_fpemu(2const) - BetterMan

pr_set_fpemu(2const)

set floating-point emulation control bits

distropkg manpages-dev@6.9.1-1dataset 2026-04-01T06:19:02Z+debian+ec4110e+mandoc:1.14.6-4

Synopsis

#include <linux/prctl.h>
  /* Definition of 
PR_*
 constants */
#include <sys/prctl.h>
int prctl(PR_SET_FPEMU, long 
fpemu
);

—

Options · 1

EINVAL

fpemu is not a valid value.

NAME

PR_SET_FPEMU - set floating-point emulation control bits

SYNOPSIS

bash

#include <linux/prctl.h>\n  /* Definition of \nPR_*\n constants */
\n#include <sys/prctl.h>

bash

int prctl(PR_SET_FPEMU, long \nfpemu\n);

Set floating-point emulation control bits to fpemu. Pass PR_FPEMU_NOPRINT to silently emulate floating-point operation accesses, or PR_FPEMU_SIGFPE to not emulate floating-point operations and send SIGFPE instead.

RETURN VALUE

On success, 0 is returned. On error, -1 is returned, and errno is set to indicate the error.

ERRORS

EINVAL: fpemu is not a valid value.

STANDARDS

Linux. ia64 only.

HISTORY

Linux 2.4.18, 2.5.9. (ia64)