42 struct SemaphorePipe {  struct
46   SemaphorePipe(int pipefd[2])  in SemaphorePipe()  argument
48   SemaphorePipe(const SemaphorePipe &) = delete;
49   void operator=(const SemaphorePipe &) = delete;
50   SemaphorePipe(SemaphorePipe &&other)  in SemaphorePipe()  argument
65   ~SemaphorePipe() {  in ~SemaphorePipe()  argument
75   static llvm::Optional<SemaphorePipe> create() {  in create()  argument
79     return SemaphorePipe(InotifyPollingStopperFDs);  in create()
122       SemaphorePipe &&InotifyPollingStopSignal);
150   SemaphorePipe InotifyPollingStopSignal;
300     SemaphorePipe &&InotifyPollingStopSignal)  in DirectoryWatcherLinux()
351   auto InotifyPollingStopper = SemaphorePipe::create();  in create()