// This should be called before starting the push, from the thread creating
// the push context.
func (ps *PushContext) InitContext(env *Environment, oldPushContext *PushContext, pushReq *PushRequest) error {
	// Acquire a lock to ensure we don't concurrently initialize the same PushContext.
	// If this does happen, one thread will block then exit early from InitDone=true
	ps.initializeMutex.Lock()

	29: "profiling Timer Expired",
	30: "cpu Limit Exceeded",
	31: "file Size Limit Exceeded",
	32: "no runnable lwp",
	33: "inter-lwp signal",
	34: "checkpoint Freeze",
	35: "checkpoint Thaw",
	36: "thread Cancellation",
	37: "resource Lost",
	38: "resource Control Exceeded",
	39: "reserved for JVM 1",
	40: "reserved for JVM 2",

	26: "virtual timer expired",
	27: "profiling timer expired",
	28: "window size changes",
	29: "information request",
	30: "user defined signal 1",
	31: "user defined signal 2",
	32: "thread AST",

                         * sent. Unfortunately calling disconnect() doesn't always
                         * actually shutdown the connection before other threads
                         * have committed themselves (e.g. InterruptTest example).
                         */
                        try {
                            trans.disconnect(true);

   * addition, the cause of any {@code ExecutionException} is wrapped in order to ensure that the
   * new stack trace matches that of the current thread.
   *
   * <p>Instances of {@code exceptionClass} are created by choosing an arbitrary public constructor
   * that accepts zero or more arguments, all of type {@code String} or {@code Throwable}

	26: "virtual timer expired",
	27: "profiling timer expired",
	28: "window size changes",
	29: "information request",
	30: "user defined signal 1",
	31: "user defined signal 2",
	32: "thread AST",

	26: "virtual timer expired",
	27: "profiling timer expired",
	28: "window size changes",
	29: "information request",
	30: "user defined signal 1",
	31: "user defined signal 2",
	32: "thread AST",

	26: "virtual timer expired",
	27: "profiling timer expired",
	28: "window size changes",
	29: "information request",
	30: "user defined signal 1",
	31: "user defined signal 2",
	32: "thread AST",

	26: "virtual timer expired",
	27: "profiling timer expired",
	28: "window size changes",
	29: "information request",
	30: "user defined signal 1",
	31: "user defined signal 2",
	32: "thread Scheduler",
	33: "checkPoint",
	34: "checkPointExit",

	26: "virtual timer expired",
	27: "profiling timer expired",
	28: "window size changes",
	29: "information request",
	30: "user defined signal 1",
	31: "user defined signal 2",
	32: "thread AST",