99   if (pipe(caller_to_addr2line) == -1) {  in Connect()
102   if (pipe(addr2line_to_caller) == -1) {  in Connect()
140                   std::unique_ptr<Addr2linePipe>* pipe /* inout */,  in Drain()  argument
142   DCHECK(pipe != nullptr);  in Drain()
143   DCHECK(pipe->get() != nullptr);  in Drain()
144   int in = pipe->get()->in.Fd();  in Drain()
158       pipe->reset();  in Drain()
169       pipe->reset();  in Drain()
180       pipe->reset();  in Drain()
188         WritePrefix(os, prefix, (*pipe)->odd);  in Drain()
204         (*pipe)->odd = !(*pipe)->odd;  in Drain()
218                       std::unique_ptr<Addr2linePipe>* pipe /* inout */) {  in Addr2line()  argument
219   DCHECK(pipe != nullptr);  in Addr2line()
228   if (*pipe == nullptr || (*pipe)->file != map_src) {  in Addr2line()
229     if (*pipe != nullptr) {  in Addr2line()
230       Drain(0, prefix, pipe, os);  in Addr2line()
232     pipe->reset();  // Close early.  in Addr2line()
243     *pipe = Connect(map_src, args);  in Addr2line()
246   Addr2linePipe* pipe_ptr = pipe->get();  in Addr2line()
257     pipe->reset();  in Addr2line()
262   Drain(2U, prefix, pipe, os);  in Addr2line()