Exemple #1
0
 public boolean wait_timeout(IRubyObject o, Double timeout) throws InterruptedException {
   if (timeout != null) {
     long delay_ns = (long) (timeout.doubleValue() * 1000000000.0);
     long start_ns = System.nanoTime();
     if (delay_ns > 0) {
       long delay_ms = delay_ns / 1000000;
       int delay_ns_remainder = (int) (delay_ns % 1000000);
       executeBlockingTask(new SleepTask(o, delay_ms, delay_ns_remainder));
     }
     long end_ns = System.nanoTime();
     return (end_ns - start_ns) <= delay_ns;
   } else {
     executeBlockingTask(new SleepTask(o, 0, 0));
     return true;
   }
 }
Exemple #2
0
  private static RubyTime createTime(IRubyObject recv, IRubyObject[] args, boolean gmt) {
    Ruby runtime = recv.getRuntime();
    int len = ARG_SIZE;
    Boolean isDst = null;

    DateTimeZone dtz;
    if (gmt) {
      dtz = DateTimeZone.UTC;
    } else if (args.length == 10 && args[9] instanceof RubyString) {
      dtz = getTimeZone(runtime, ((RubyString) args[9]).toString());
    } else {
      dtz = getLocalTimeZone(runtime);
    }

    if (args.length == 10) {
      if (args[8] instanceof RubyBoolean) {
        isDst = ((RubyBoolean) args[8]).isTrue();
      }
      args =
          new IRubyObject[] {
            args[5], args[4], args[3], args[2], args[1], args[0], runtime.getNil()
          };
    } else {
      // MRI accepts additional wday argument which appears to be ignored.
      len = args.length;

      if (len < ARG_SIZE) {
        IRubyObject[] newArgs = new IRubyObject[ARG_SIZE];
        System.arraycopy(args, 0, newArgs, 0, args.length);
        for (int i = len; i < ARG_SIZE; i++) {
          newArgs[i] = runtime.getNil();
        }
        args = newArgs;
        len = ARG_SIZE;
      }
    }

    if (args[0] instanceof RubyString) {
      args[0] = RubyNumeric.str2inum(runtime, (RubyString) args[0], 10, false);
    }

    int year = (int) RubyNumeric.num2long(args[0]);
    int month = 1;

    if (len > 1) {
      if (!args[1].isNil()) {
        IRubyObject tmp = args[1].checkStringType();
        if (!tmp.isNil()) {
          String monthString = tmp.toString().toLowerCase();
          Integer monthInt = MONTHS_MAP.get(monthString);

          if (monthInt != null) {
            month = monthInt;
          } else {
            try {
              month = Integer.parseInt(monthString);
            } catch (NumberFormatException nfExcptn) {
              throw runtime.newArgumentError("Argument out of range.");
            }
          }
        } else {
          month = (int) RubyNumeric.num2long(args[1]);
        }
      }
      if (1 > month || month > 12) {
        throw runtime.newArgumentError("Argument out of range: for month: " + month);
      }
    }

    int[] int_args = {1, 0, 0, 0, 0, 0};

    for (int i = 0; int_args.length >= i + 2; i++) {
      if (!args[i + 2].isNil()) {
        if (!(args[i + 2] instanceof RubyNumeric)) {
          args[i + 2] = args[i + 2].callMethod(runtime.getCurrentContext(), "to_i");
        }

        long value = RubyNumeric.num2long(args[i + 2]);
        if (time_min[i] > value || value > time_max[i]) {
          throw runtime.newArgumentError("argument out of range.");
        }
        int_args[i] = (int) value;
      }
    }

    if (!runtime.is1_9()) {
      if (0 <= year && year < 39) {
        year += 2000;
      } else if (69 <= year && year < 139) {
        year += 1900;
      }
    }

    DateTime dt;
    // set up with min values and then add to allow rolling over
    try {
      dt = new DateTime(year, 1, 1, 0, 0, 0, 0, DateTimeZone.UTC);

      dt =
          dt.plusMonths(month - 1)
              .plusDays(int_args[0] - 1)
              .plusHours(int_args[1])
              .plusMinutes(int_args[2])
              .plusSeconds(int_args[3]);
      if (runtime.is1_9() && !args[5].isNil()) {
        double millis = RubyFloat.num2dbl(args[5]);
        int int_millis = (int) (millis * 1000) % 1000;
        dt = dt.plusMillis(int_millis);
      }

      dt = dt.withZoneRetainFields(dtz);

      // we might need to perform a DST correction
      if (isDst != null) {
        // the instant at which we will ask dtz what the difference between DST and
        // standard time is
        long offsetCalculationInstant = dt.getMillis();

        // if we might be moving this time from !DST -> DST, the offset is assumed
        // to be the same as it was just before we last moved from DST -> !DST
        if (dtz.isStandardOffset(dt.getMillis())) {
          offsetCalculationInstant = dtz.previousTransition(offsetCalculationInstant);
        }

        int offset =
            dtz.getStandardOffset(offsetCalculationInstant)
                - dtz.getOffset(offsetCalculationInstant);

        if (!isDst && !dtz.isStandardOffset(dt.getMillis())) {
          dt = dt.minusMillis(offset);
        }
        if (isDst && dtz.isStandardOffset(dt.getMillis())) {
          dt = dt.plusMillis(offset);
        }
      }
    } catch (org.joda.time.IllegalFieldValueException e) {
      throw runtime.newArgumentError("time out of range");
    }

    RubyTime time = new RubyTime(runtime, (RubyClass) recv, dt);
    // Ignores usec if 8 args (for compatibility with parsedate) or if not supplied.
    if (args.length != 8 && !args[6].isNil()) {
      int usec = int_args[4] % 1000;
      int msec = int_args[4] / 1000;

      if (int_args[4] < 0) {
        msec -= 1;
        usec += 1000;
      }
      time.dt = dt.withMillis(dt.getMillis() + msec);
      time.setUSec(usec);
    }

    time.callInit(IRubyObject.NULL_ARRAY, Block.NULL_BLOCK);
    return time;
  }
Exemple #3
0
  @JRubyMethod(name = "join", optional = 1)
  public IRubyObject join(IRubyObject[] args) {
    Ruby runtime = getRuntime();
    long timeoutMillis = Long.MAX_VALUE;

    if (args.length > 0 && !args[0].isNil()) {
      if (args.length > 1) {
        throw getRuntime().newArgumentError(args.length, 1);
      }
      // MRI behavior: value given in seconds; converted to Float; less
      // than or equal to zero returns immediately; returns nil
      timeoutMillis = (long) (1000.0D * args[0].convertToFloat().getValue());
      if (timeoutMillis <= 0) {
        // TODO: not sure that we should skip calling join() altogether.
        // Thread.join() has some implications for Java Memory Model, etc.
        if (threadImpl.isAlive()) {
          return getRuntime().getNil();
        } else {
          return this;
        }
      }
    }

    if (isCurrent()) {
      throw getRuntime().newThreadError("thread " + identityString() + " tried to join itself");
    }

    try {
      if (runtime.getThreadService().getCritical()) {
        // If the target thread is sleeping or stopped, wake it
        synchronized (this) {
          notify();
        }

        // interrupt the target thread in case it's blocking or waiting
        // WARNING: We no longer interrupt the target thread, since this usually means
        // interrupting IO and with NIO that means the channel is no longer usable.
        // We either need a new way to handle waking a target thread that's waiting
        // on IO, or we need to accept that we can't wake such threads and must wait
        // for them to complete their operation.
        // threadImpl.interrupt();
      }

      RubyThread currentThread = getRuntime().getCurrentContext().getThread();
      final long timeToWait = Math.min(timeoutMillis, 200);

      // We need this loop in order to be able to "unblock" the
      // join call without actually calling interrupt.
      long start = System.currentTimeMillis();
      while (true) {
        currentThread.pollThreadEvents();
        threadImpl.join(timeToWait);
        if (!threadImpl.isAlive()) {
          break;
        }
        if (System.currentTimeMillis() - start > timeoutMillis) {
          break;
        }
      }
    } catch (InterruptedException ie) {
      ie.printStackTrace();
      assert false : ie;
    } catch (ExecutionException ie) {
      ie.printStackTrace();
      assert false : ie;
    }

    if (exitingException != null) {
      // Set $! in the current thread before exiting
      getRuntime().getGlobalVariables().set("$!", (IRubyObject) exitingException.getException());
      throw exitingException;
    }

    if (threadImpl.isAlive()) {
      return getRuntime().getNil();
    } else {
      return this;
    }
  }
Exemple #4
0
 private String identityString() {
   return "0x" + Integer.toHexString(System.identityHashCode(this));
 }
  @SuppressWarnings("fallthrough")
  @JRubyMethod(name = "read", optional = 2)
  @Override
  public IRubyObject read(IRubyObject[] args) {
    checkReadable();

    ByteList buf = null;
    int length = 0;
    int oldLength = 0;
    RubyString originalString = null;

    switch (args.length) {
      case 2:
        originalString = args[1].convertToString();
        // must let original string know we're modifying, so shared buffers aren't damaged
        originalString.modify();
        buf = originalString.getByteList();
      case 1:
        if (!args[0].isNil()) {
          length = RubyNumeric.fix2int(args[0]);
          oldLength = length;

          if (length < 0) {
            throw getRuntime().newArgumentError("negative length " + length + " given");
          }
          if (length > 0 && isEndOfString()) {
            data.eof = true;
            if (buf != null) buf.setRealSize(0);
            return getRuntime().getNil();
          } else if (data.eof) {
            if (buf != null) buf.setRealSize(0);
            return getRuntime().getNil();
          }
          break;
        }
      case 0:
        oldLength = -1;
        length = data.internal.getByteList().length();

        if (length <= data.pos) {
          data.eof = true;
          if (buf == null) {
            buf = new ByteList();
          } else {
            buf.setRealSize(0);
          }

          return makeString(getRuntime(), buf);
        } else {
          length -= data.pos;
        }
        break;
      default:
        getRuntime().newArgumentError(args.length, 0);
    }

    if (buf == null) {
      int internalLength = data.internal.getByteList().length();

      if (internalLength > 0) {
        if (internalLength >= data.pos + length) {
          buf = new ByteList(data.internal.getByteList(), (int) data.pos, length);
        } else {
          int rest = (int) (data.internal.getByteList().length() - data.pos);

          if (length > rest) length = rest;
          buf = new ByteList(data.internal.getByteList(), (int) data.pos, length);
        }
      }
    } else {
      int rest = (int) (data.internal.getByteList().length() - data.pos);

      if (length > rest) length = rest;

      // Yow...this is still ugly
      byte[] target = buf.getUnsafeBytes();
      if (target.length > length) {
        System.arraycopy(
            data.internal.getByteList().getUnsafeBytes(), (int) data.pos, target, 0, length);
        buf.setBegin(0);
        buf.setRealSize(length);
      } else {
        target = new byte[length];
        System.arraycopy(
            data.internal.getByteList().getUnsafeBytes(), (int) data.pos, target, 0, length);
        buf.setBegin(0);
        buf.setRealSize(length);
        buf.setUnsafeBytes(target);
      }
    }

    if (buf == null) {
      if (!data.eof) buf = new ByteList();
      length = 0;
    } else {
      length = buf.length();
      data.pos += length;
    }

    if (oldLength < 0 || oldLength > length) data.eof = true;

    return originalString != null ? originalString : makeString(getRuntime(), buf);
  }