diff options
Diffstat (limited to 'gcc-4.3.1/libgomp/config/mingw32/proc.c')
| -rw-r--r-- | gcc-4.3.1/libgomp/config/mingw32/proc.c | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/gcc-4.3.1/libgomp/config/mingw32/proc.c b/gcc-4.3.1/libgomp/config/mingw32/proc.c deleted file mode 100644 index def7bb5e8..000000000 --- a/gcc-4.3.1/libgomp/config/mingw32/proc.c +++ /dev/null @@ -1,82 +0,0 @@ -/* Copyright (C) 2007 Free Software Foundation, Inc. - Contributed by Danny Smith <dannysmith@users.sourceforge.net> - - This file is part of the GNU OpenMP Library (libgomp). - - Libgomp 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. - - Libgomp 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 libgomp; see the file COPYING.LIB. If not, write to the - Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - MA 02110-1301, USA. */ - -/* As a special exception, if you link this library with other files, some - of which are compiled with GCC, to produce an executable, this library - does not by itself cause the resulting executable to be covered by the - GNU General Public License. This exception does not however invalidate - any other reasons why the executable file might be covered by the GNU - General Public License. */ - -/* This file contains system specific routines related to counting - online processors and dynamic load balancing. It is expected that - a system may well want to write special versions of each of these. - - The following implementation uses win32 API routines. */ - -#include "libgomp.h" -#include <windows.h> - -/* Count the CPU's currently available to this process. */ -static int -count_avail_process_cpus () -{ - DWORD_PTR process_cpus; - DWORD_PTR system_cpus; - - if (GetProcessAffinityMask (GetCurrentProcess (), - &process_cpus, &system_cpus)) - { - unsigned int count; - for (count = 0; process_cpus != 0; process_cpus >>= 1) - if (process_cpus & 1) - count++; - return count; - } - return 1; -} - -/* At startup, determine the default number of threads. It would seem - this should be related to the number of cpus available to the process. */ - -void -gomp_init_num_threads (void) -{ - gomp_nthreads_var = count_avail_process_cpus (); -} - -/* When OMP_DYNAMIC is set, at thread launch determine the number of - threads we should spawn for this team. FIXME: How do we adjust for - load average on MS Windows? */ - -unsigned -gomp_dynamic_max_threads (void) -{ - int n_onln = count_avail_process_cpus (); - return n_onln > gomp_nthreads_var ? gomp_nthreads_var : n_onln; -} - -int -omp_get_num_procs (void) -{ - return count_avail_process_cpus (); -} - -ialias (omp_get_num_procs) |
