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-rw-r--r--libgomp/config/mingw32/proc.c80
-rw-r--r--libgomp/config/mingw32/time.c46
2 files changed, 126 insertions, 0 deletions
diff --git a/libgomp/config/mingw32/proc.c b/libgomp/config/mingw32/proc.c
new file mode 100644
index 000000000..03d101a59
--- /dev/null
+++ b/libgomp/config/mingw32/proc.c
@@ -0,0 +1,80 @@
+/* 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)
diff --git a/libgomp/config/mingw32/time.c b/libgomp/config/mingw32/time.c
new file mode 100644
index 000000000..a89815544
--- /dev/null
+++ b/libgomp/config/mingw32/time.c
@@ -0,0 +1,46 @@
+/* Copyright (C) 2006, 2009 Free Software Foundation, Inc.
+ Contributed by Francois-Xavier Coudert <coudert@clipper.ens.fr>
+
+ 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 timer routines for mingw32. */
+
+#include "libgomp.h"
+#include <unistd.h>
+#include <sys/timeb.h>
+
+double
+omp_get_wtime (void)
+{
+ struct _timeb timebuf;
+ _ftime (&timebuf);
+ return (timebuf.time + (long)(timebuf.millitm) / 1e3);
+}
+
+double
+omp_get_wtick (void)
+{
+ return 1e-3;
+}
+
+ialias (omp_get_wtime)
+ialias (omp_get_wtick)