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;
}
}
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;
}
@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;
}
}
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);
}
