PR_SET_FPEXC(2const) — Linux manual page

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 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)

COLOPHON

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

Pages that refer to this page: prctl(2), PR_GET_FPEXC(2const)

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