74 static fd_t cov_fd = kInvalidFd;
194   if (pc_fd == kInvalidFd) {  in DirectOpen()
204   pc_fd = kInvalidFd;  in Init()
272   if (pc_fd != kInvalidFd) {  in Disable()
274     pc_fd = kInvalidFd;  in Disable()
325     if (pc_fd == kInvalidFd) DirectOpen();  in Extend()
326     CHECK_NE(pc_fd, kInvalidFd);  in Extend()
546   if (cov_fd == kInvalidFd) return;  in CovWritePacked()
602   if (fd == kInvalidFd)  in CovOpenFile()
625   if (fd == kInvalidFd) return;  in DumpTrace()
630   if (fd == kInvalidFd) return;  in DumpTrace()
638   if (fd == kInvalidFd) return;  in DumpTrace()
691   if (fd == kInvalidFd) return;  in DumpCallerCalleePairs()
726     if (fd == kInvalidFd) return;  in DumpCounters()
753     if (fd == kInvalidFd) return;  in DumpAsBitSet()
820                             kInvalidFd /* stdin */, report_fd /* std_out */);  in GenerateHtmlReport()
855       if (cov_fd != kInvalidFd) {  in DumpOffsets()
863       if (fd == kInvalidFd) continue;  in DumpOffsets()
870   if (cov_fd != kInvalidFd)  in DumpOffsets()
904   if (!coverage_enabled) return kInvalidFd;  in MaybeOpenCovFile()