plucky (2) PR_SET_FPEXC.2const.gz

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 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.

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)