kernel/fs/fifo.cpp

157 			bool				IsActive() const { return fActive; }
216 			bool				fActive;
351 	fActive(false),
406 		while (!fActive
428 		if (fActive && fReaderCount == 0) {
436 		size_t toWrite = (fActive ? fBuffer.Writable() : 0);
483 		if (fActive && fWriterCount == 0)
645 		fActive = true;
689 		fActive = false;
751 	kprintf("  active:        %s\n", fActive ? "true" : "false");