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PR_SET_FPEMU - set floating-point emulation control bits

NAME  LIBRARY  SYNOPSIS  DESCRIPTION  RETURN VALUE  ERRORS  STANDARDS  HISTORY  SEE ALSO 

NAME

PR_SET_FPEMU − set floating-point emulation control bits

LIBRARY

Standard C library (libc−lc)

SYNOPSIS

#include <linux/prctl.h> /* Definition of PR_* constants */
#include <sys/prctl.h>

int prctl(PR_SET_FPEMU, long fpemu);

DESCRIPTION

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)

SEE ALSO

prctl(2), PR_GET_FPEMU(2const)


Updated 2026-06-01 - jenkler.se | uex.se