From daf2bb515bdd8212c8d95b78e70ef02f035304c5 Mon Sep 17 00:00:00 2001 From: "Thomas Bushnell, BSG" Date: Sat, 21 Sep 1996 23:54:18 +0000 Subject: *** empty log message *** * sysdeps/mach/getsysstats.c: New file. --- sysdeps/mach/getsysstats.c | 71 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 sysdeps/mach/getsysstats.c (limited to 'sysdeps') diff --git a/sysdeps/mach/getsysstats.c b/sysdeps/mach/getsysstats.c new file mode 100644 index 0000000000..00d7c7609b --- /dev/null +++ b/sysdeps/mach/getsysstats.c @@ -0,0 +1,71 @@ +/* System dependent pieces of sysconf; Mach version +Copyright (C) 1996 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 Library General Public License as +published by the Free Software Foundation; either version 2 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 +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include +#include +#include + +/* Return the number of processors currently available on the system. */ +int +__get_nproc () +{ + struct host_basic_info hbi; + kern_return_t err; + mach_msg_type_number_t cnt = HOST_BASIC_INFO_COUNT; + + err = __host_info (__mach_host_self (), HOST_BASIC_INFO, &hbi, &cnt); + if (err) + return __hurd_fail (err); + else if (cnt != HOST_BASIC_INFO_COUNT) + return __hurd_fail (EIEIO); + + return hbi.avail_cpus; +} + +/* Return the number of physical pages on the system. */ +int +__get_phys_pages () +{ + struct host_basic_info hbi; + kern_return_t err; + mach_msg_type_number_t cnt = HOST_BASIC_INFO_COUNT; + + err = __host_info (__mach_host_self (), HOST_BASIC_INFO, &hbi, &cnt); + if (err) + return __hurd_fail (err); + else if (cnt != HOST_BASIC_INFO_COUNT) + return __hurd_fail (EIEIO); + + return hbi.memory_size / __vm_page_size; +} + +/* Return the number of available physical pages */ +int +__get_avphys_pages () +{ + vm_statistics_data_t vs; + kern_return_t err; + + err = __vm_statistics (__mach_task_self (), &vs); + if (err) + return __hurd_fail (err); + + return vs.free_count; +} + -- cgit v1.2.3