if debug.gcstoptheworld == 1 {
		mode = gcForceMode
	} else if debug.gcstoptheworld == 2 {
		mode = gcForceBlockMode
	}

	// Ok, we're doing it! Stop everybody else
	semacquire(&gcsema)
	semacquire(&worldsema)

	// For stats, check if this GC was forced by the user.
	// Update it under gcsema to avoid gctrace getting wrong values.
	work.userForced = trigger.kind == gcTriggerCycle

		// allocation estimate without bothering to STW. As long as
		// this is close, then we'll only need to STW once (on the next
		// call).
		return int(gcount()), false
	}

	semacquire(&goroutineProfile.sema)

	ourg := getg()

	pcbuf := makeProfStack() // see saveg() for explanation
	stw := stopTheWorld(stwGoroutineProfile)

        }

        if ( usage == 1 ) {
            synchronized ( this ) {
                if ( this.transportAcquired.compareAndSet(false, true) ) {
                    log.debug("Reacquire transport");
                    this.transport.acquire();
                }
            }
        }

        return this;
    }


    /**
     * {@inheritDoc}
     *

			err := t.runCleanup(recoverAndReturnPanic)
			t.duration += highPrecisionTimeSince(cleanupStart)
			if err != nil {
				doPanic(err)
			}
			t.checkRaces()
			if !t.isParallel {
				// Reacquire the count for sequential tests. See comment in Run.
				t.context.waitParallel()
			}
		} else if t.isParallel {
			// Only release the count for this test if it was run as a parallel