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| author | Steve Huston <shuston@riverace.com> | 2008-03-21 16:13:49 +0000 |
|---|---|---|
| committer | Steve Huston <shuston@riverace.com> | 2008-03-21 16:13:49 +0000 |
| commit | 45e0d4ab9d9bed866a8a13e24a8a1bd594bd46bb (patch) | |
| tree | 9af87d97432f2acb15528acedc7c057c2f3869da /ACE/ace/OS_NS_unistd.cpp | |
| parent | e18b0e5b5eb1d54877cf3031fae206e6869e1cec (diff) | |
| download | ATCD-45e0d4ab9d9bed866a8a13e24a8a1bd594bd46bb.tar.gz | |
ChangeLogTag:Fri Mar 21 16:12:53 UTC 2008 Steve Huston <shuston@riverace.com>
Diffstat (limited to 'ACE/ace/OS_NS_unistd.cpp')
| -rw-r--r-- | ACE/ace/OS_NS_unistd.cpp | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/ACE/ace/OS_NS_unistd.cpp b/ACE/ace/OS_NS_unistd.cpp index 112f49e6253..e0736f6abfc 100644 --- a/ACE/ace/OS_NS_unistd.cpp +++ b/ACE/ace/OS_NS_unistd.cpp @@ -385,7 +385,15 @@ ACE_OS::num_processors_online (void) #elif defined (ACE_WIN32) SYSTEM_INFO sys_info; ::GetSystemInfo (&sys_info); - return sys_info.dwNumberOfProcessors; + long active_processors = 0; + DWORD_PTR mask = sys_info.dwActiveProcessorMask; + while (mask != 0) + { + if (mask & 1) + ++active_processors; + mask >>= 1; + } + return active_processors; #elif defined (_SC_NPROCESSORS_ONLN) return ::sysconf (_SC_NPROCESSORS_ONLN); #elif defined (ACE_HAS_SYSCTL) |