64   int fd = -1;  in GetTraceFile()  local
66     fd = trace_map_[fullname];  in GetTraceFile()
68     fstat(fd, &statbuf);  in GetTraceFile()
71     if (statbuf.st_nlink <= 0 || fcntl(fd, F_GETFD) == -1) {  in GetTraceFile()
72       fd = CreateTraceFile(package, version);  in GetTraceFile()
73       trace_map_[fullname] = fd;  in GetTraceFile()
77     fd = CreateTraceFile(package, version);  in GetTraceFile()
78     trace_map_[fullname] = fd;  in GetTraceFile()
80   return fd;  in GetTraceFile()
99   int fd = open(file_path.c_str(), O_RDWR | O_CREAT | O_EXCL,  in CreateTraceFile()  local
101   if (fd < 0) {  in CreateTraceFile()
105   return fd;  in CreateTraceFile()
127   int fd = GetTraceFile(package, version);  in AddTraceEvent()  local
128   if (fd == -1) {  in AddTraceEvent()
131     google::protobuf::io::FileOutputStream trace_output(fd);  in AddTraceEvent()