diff options
Diffstat (limited to 'REORG.TODO/sysdeps/mach/getsysstats.c')
-rw-r--r-- | REORG.TODO/sysdeps/mach/getsysstats.c | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/mach/getsysstats.c b/REORG.TODO/sysdeps/mach/getsysstats.c new file mode 100644 index 0000000000..0dacab0300 --- /dev/null +++ b/REORG.TODO/sysdeps/mach/getsysstats.c @@ -0,0 +1,105 @@ +/* System dependent pieces of sysconf; Mach version + Copyright (C) 1996-2017 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 <errno.h> +#include <mach.h> +#include <hurd.h> +#include <sys/sysinfo.h> + + +/* Return the number of processors configured on the system. */ +int +__get_nprocs_conf (void) +{ + 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, + (host_info_t) &hbi, &cnt); + if (err) + return __hurd_fail (err); + else if (cnt != HOST_BASIC_INFO_COUNT) + return __hurd_fail (EIEIO); + + return hbi.max_cpus; +} +weak_alias (__get_nprocs_conf, get_nprocs_conf) + +/* Return the number of processors currently available on the system. */ +int +__get_nprocs (void) +{ + 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, + (host_info_t) &hbi, &cnt); + if (err) + return __hurd_fail (err); + else if (cnt != HOST_BASIC_INFO_COUNT) + return __hurd_fail (EIEIO); + + return hbi.avail_cpus; +} +weak_alias (__get_nprocs, get_nprocs) + +/* Return the number of physical pages on the system. */ +long int +__get_phys_pages (void) +{ + 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, + (host_info_t) &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; +} +weak_alias (__get_phys_pages, get_phys_pages) + +/* Return the number of available physical pages */ +long int +__get_avphys_pages (void) +{ + vm_statistics_data_t vs; + kern_return_t err; + +#ifdef HOST_VM_INFO + { + mach_msg_type_number_t count = HOST_VM_INFO_COUNT; + err = __host_info (__mach_host_self (), HOST_VM_INFO, + (host_info_t) &vs, &count); + if (!err && count < HOST_VM_INFO_COUNT) + err = EGRATUITOUS; + } +#else + err = __vm_statistics (__mach_task_self (), &vs); +#endif + if (err) + return __hurd_fail (err); + + return vs.free_count; +} +weak_alias (__get_avphys_pages, get_avphys_pages) |