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-rw-r--r--src/corelib/thread/qthread_unix.cpp27
1 files changed, 25 insertions, 2 deletions
diff --git a/src/corelib/thread/qthread_unix.cpp b/src/corelib/thread/qthread_unix.cpp
index 5e0d2a2..811a193 100644
--- a/src/corelib/thread/qthread_unix.cpp
+++ b/src/corelib/thread/qthread_unix.cpp
@@ -54,6 +54,11 @@
#include <private/qeventdispatcher_unix_p.h>
#endif
+#ifdef Q_OS_SYMBIAN
+#include <hal.h>
+#include <hal_data.h>
+#endif
+
#include "qthreadstorage.h"
#include "qthread_p.h"
@@ -63,6 +68,12 @@
#include <sched.h>
#include <errno.h>
+// You only find these enumerations on Symbian^3 onwards, so we need to provide our own
+// to remain compatible with older releases. They won't be called by pre-Sym^3 SDKs.
+
+// HALData::ENumCpus
+#define QT_HALData_ENumCpus 119
+
#ifdef Q_OS_BSD4
#include <sys/sysctl.h>
#endif
@@ -451,8 +462,20 @@ int QThread::idealThreadCount()
// as of aug 2008 Integrity only supports one single core CPU
cores = 1;
#elif defined(Q_OS_SYMBIAN)
- // ### TODO - Get the number of cores from HAL? when multicore architectures (SMP) are supported
- cores = 1;
+ if (QSysInfo::symbianVersion() >= QSysInfo::SV_SF_3) {
+ TInt inumcpus;
+ TInt err;
+ err = HAL::Get((HALData::TAttribute)QT_HALData_ENumCpus, inumcpus);
+ if (err != KErrNone) {
+ cores = 1;
+ } else if ( inumcpus <= 0 ) {
+ cores = 1;
+ } else {
+ cores = inumcpus;
+ }
+ } else {
+ cores = 1;
+ }
#elif defined(Q_OS_VXWORKS)
// VxWorks
# if defined(QT_VXWORKS_HAS_CPUSET)