Subversion Repositories openrisc

/time.c

time.c Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: proc.c =================================================================== --- proc.c (nonexistent) +++ proc.c (revision 519) @@ -0,0 +1,80 @@ +/* Copyright (C) 2007, 2009 Free Software Foundation, Inc. + Contributed by Danny Smith + + 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 + . */ + +/* 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 + +/* 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)

proc.c Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property