| /* Copyright (C) 2012-2014 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 <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; |
| } |
