diff options
Diffstat (limited to 'gcc-4.6/libgomp/config/mingw32/proc.c')
| -rw-r--r-- | gcc-4.6/libgomp/config/mingw32/proc.c | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/gcc-4.6/libgomp/config/mingw32/proc.c b/gcc-4.6/libgomp/config/mingw32/proc.c deleted file mode 100644 index 03d101a59..000000000 --- a/gcc-4.6/libgomp/config/mingw32/proc.c +++ /dev/null @@ -1,80 +0,0 @@ -/* Copyright (C) 2007, 2009 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 General Public License as published by - the Free Software Foundation; either version 3, 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 General Public License for - more details. - - Under Section 7 of GPL version 3, you are granted additional - permissions described in the GCC Runtime Library Exception, version - 3.1, as published by the Free Software Foundation. - - You should have received a copy of the GNU General Public License and - a copy of the GCC Runtime Library Exception along with this program; - see the files COPYING3 and COPYING.RUNTIME respectively. If not, see - <http://www.gnu.org/licenses/>. */ - -/* 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 unsigned 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_global_icv.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) -{ - unsigned int n_onln = count_avail_process_cpus (); - unsigned int nthreads_var = gomp_icv (false)->nthreads_var; - return n_onln > nthreads_var ? nthreads_var : n_onln; -} - -int -omp_get_num_procs (void) -{ - return count_avail_process_cpus (); -} - -ialias (omp_get_num_procs) |
