aa80515f3f
Because there was no implementation for this function on windows it used to return 0. This meant that no thread was created to process the data.
61 lines
1.7 KiB
C++
61 lines
1.7 KiB
C++
/*
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Copyright (C) 2010 Paul Davis
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Author: Torben Hohn
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifdef WAF_BUILD
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#include "libpbd-config.h"
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#endif
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#ifdef __linux__
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#include <unistd.h>
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#elif defined(__APPLE__) || defined(__FreeBSD__)
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#include <stddef.h>
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#include <sys/types.h>
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#include <sys/sysctl.h>
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#elif defined(PLATFORM_WINDOWS)
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#include <Windows.h>
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#endif
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#include "pbd/cpus.h"
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#if defined(COMPILER_MSVC) && !defined(PTW32_VERSION)
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#include <ardourext/pthread.h> // Gets us 'PTW32_VERSION'
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#endif
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uint32_t
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hardware_concurrency()
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{
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#if defined(PTW32_VERSION) || defined(__hpux)
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return pthread_num_processors_np();
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#elif defined(__APPLE__) || defined(__FreeBSD__)
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int count;
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size_t size=sizeof(count);
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return sysctlbyname("hw.physicalcpu",&count,&size,NULL,0)?0:count;
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#elif defined(HAVE_UNISTD) && defined(_SC_NPROCESSORS_ONLN)
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int const count=sysconf(_SC_NPROCESSORS_ONLN);
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return (count>0)?count:0;
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#elif defined(PLATFORM_WINDOWS)
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SYSTEM_INFO sys_info;
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GetSystemInfo( &sys_info );
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return sys_info.dwNumberOfProcessors;
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#else
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return 0;
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#endif
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}
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