PR_SET_FPEXC(2const) PR_SET_FPEXC(2const)
NAME
PR_SET_FPEXC - set the floating-point exception mode
LIBRARY
Standard C library (libc, -lc)
SYNOPSIS
#include <linux/prctl.h> /* Definition of PR_* constants */
#include <sys/prctl.h>
int prctl(PR_SET_FPEXC, unsigned long mode);
DESCRIPTION
Set floating-point exception mode to mode. Pass PR_FP_EXC_SW_ENABLE to
use FPEXC for FP exception enables, PR_FP_EXC_DIV for floating-point di-
vide by zero, PR_FP_EXC_OVF for floating-point overflow, PR_FP_EXC_UND
for floating-point underflow, PR_FP_EXC_RES for floating-point inexact
result, PR_FP_EXC_INV for floating-point invalid operation,
PR_FP_EXC_DISABLED for FP exceptions disabled, PR_FP_EXC_NONRECOV for
async nonrecoverable exception mode, PR_FP_EXC_ASYNC for async recover-
able exception mode, PR_FP_EXC_PRECISE for precise exception mode.
RETURN VALUE
On success, 0 is returned. On error, -1 is returned, and errno is set
to indicate the error.
ERRORS
EINVAL mode is not a valid value.
STANDARDS
Linux. PowerPC only.
HISTORY
Linux 2.4.21, 2.5.32. (PowerPC)
SEE ALSO
prctl(2), PR_GET_FPEXC(2const)
Linux man-pages 6.9.1 2024-06-02 PR_SET_FPEXC(2const)
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