public static void sched_setaffinity(final BitSet affinity) { final CLibrary lib = CLibrary.INSTANCE; final cpu_set_t cpuset = new cpu_set_t(); final int size = version.isSameOrNewer(VERSION_2_6) ? cpu_set_t.SIZE_OF_CPU_SET_T : NativeLong.SIZE; final long[] bits = affinity.toLongArray(); for (int i = 0; i < bits.length; i++) { if (Platform.is64Bit()) { cpuset.__bits[i].setValue(bits[i]); } else { cpuset.__bits[i * 2].setValue(bits[i] & 0xFFFFFFFFL); cpuset.__bits[i * 2 + 1].setValue((bits[i] >>> 32) & 0xFFFFFFFFL); } } try { if (lib.sched_setaffinity(0, size, cpuset) != 0) { throw new IllegalStateException( "sched_setaffinity(0, " + size + ", 0x" + Utilities.toHexString(affinity) + ") failed; errno=" + Native.getLastError()); } } catch (LastErrorException e) { throw new IllegalStateException( "sched_setaffinity(0, " + size + ", 0x" + Utilities.toHexString(affinity) + ") failed; errno=" + e.getErrorCode(), e); } }
public static @NotNull cpu_set_t sched_getaffinity() { final CLibrary lib = CLibrary.INSTANCE; final cpu_set_t cpuset = new cpu_set_t(); final int size = version.isSameOrNewer(VERSION_2_6) ? cpu_set_t.SIZE_OF_CPU_SET_T : NativeLong.SIZE; try { if (lib.sched_getaffinity(0, size, cpuset) != 0) { throw new IllegalStateException( "sched_getaffinity(0, " + size + ", cpuset) failed; errno=" + Native.getLastError()); } } catch (LastErrorException e) { throw new IllegalStateException( "sched_getaffinity(0, (" + size + ") , cpuset) failed; errno=" + e.getErrorCode(), e); } return cpuset; }