/* Low-level statistical profiling support function.  Stub version.

   Copyright (C) 1995-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, see

   <http://www.gnu.org/licenses/>.  */

#include <sys/types.h>

#include <unistd.h>

#include <errno.h>

/* Enable statistical profiling, writing samples of the PC into at most

   SIZE bytes of SAMPLE_BUFFER; every processor clock tick while profiling

   is enabled, the system examines the user PC and increments

   SAMPLE_BUFFER[((PC - OFFSET) / 2) * SCALE / 65536].  If SCALE is zero,

   disable profiling.  Returns zero on success, -1 on error.  */

int

__profil (u_short *sample_buffer, size_t size, size_t offset, u_int scale)

{

  if (scale == 0)

    /* Disable profiling.  */

    return 0;

  __set_errno (ENOSYS);

  return -1;

}

weak_alias (__profil, profil)

stub_warning (profil)