PR_SET_FPEXC - set the floating-point exception mode

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 divide 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 recoverable exception mode, PR_FP_EXC_PRECISE for precise exception mode.

EINVALmode is not a valid value.

Linux 2.4.21, 2.5.32. (PowerPC)

Standard C library (libc, -lc)

PR_SET_FPEXC - set the floating-point exception mode

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

prctl(2), PR_GET_FPEXC(2const) Linux man-pages 6.9.1 2024-06-02 PR_SET_FPEXC(2const)

Linux. PowerPC only.

#include<linux/prctl.h> /* Definition of PR_* constants */ #include<sys/prctl.h>intprctl(PR_SET_FPEXC,unsignedlongmode);