/** Updates logical and physical processor counts from sysctl calls */
private void calculateProcessorCounts() {
IntByReference size = new IntByReference(SystemB.INT_SIZE);
Pointer p = new Memory(size.getValue());
// Get number of logical processors
if (0 != SystemB.INSTANCE.sysctlbyname("hw.logicalcpu", p, size, null, 0)) {
LOG.error("Failed to get number of logical CPUs. Error code: " + Native.getLastError());
this.logicalProcessorCount = 1;
} else this.logicalProcessorCount = p.getInt(0);
// Get number of physical processors
if (0 != SystemB.INSTANCE.sysctlbyname("hw.physicalcpu", p, size, null, 0)) {
LOG.error("Failed to get number of physical CPUs. Error code: " + Native.getLastError());
this.physicalProcessorCount = 1;
} else this.physicalProcessorCount = p.getInt(0);
}
/** {@inheritDoc} */
@Override
public String getFamily() {
if (this.cpuFamily == null) {
IntByReference size = new IntByReference(SystemB.INT_SIZE);
Pointer p = new Memory(size.getValue());
if (0 != SystemB.INSTANCE.sysctlbyname("machdep.cpu.family", p, size, null, 0)) {
LOG.error("Failed to get Family. Error code: " + Native.getLastError());
return "";
}
this.cpuFamily = Integer.toString(p.getInt(0));
}
return this.cpuFamily;
}
/** {@inheritDoc} */
@Override
public boolean isCpu64bit() {
if (this.cpu64 == null) {
IntByReference size = new IntByReference(SystemB.INT_SIZE);
Pointer p = new Memory(size.getValue());
if (0 != SystemB.INSTANCE.sysctlbyname("hw.cpu64bit_capable", p, size, null, 0)) {
LOG.error("Failed to get 64Bit_capable. Error code: " + Native.getLastError());
return false;
}
this.cpu64 = p.getInt(0) != 0;
}
return this.cpu64.booleanValue();
}
public final int getInt(long offset) {
checkBounds(offset, 4);
return ptr.getInt(offset);
}