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/* Copyright (C) 2012-2020 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
<https://www.gnu.org/licenses/>. */
#include <unistd.h>
#include <sys/shm.h>
#include <ldsodefs.h>
int
__getshmlba (void)
{
uint64_t hwcap = GLRO(dl_hwcap);
int pgsz = GLRO(dl_pagesize);
if (hwcap & HWCAP_SPARC_V9)
{
if (pgsz < (16 * 1024))
return 16 * 1024;
else
return pgsz;
}
else if (!(hwcap & HWCAP_SPARC_FLUSH))
return 64 * 1024;
else
return 256 * 1024;
}
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