| 83 | }; |
| 84 | |
| 85 | bool |
| 86 | pipe_t::open () |
| 87 | { |
| 88 | std::array<file_desc_t, 2> pipe; |
| 89 | if (::pipe2 (pipe.data (), O_CLOEXEC)) |
| 90 | { |
| 91 | warning ("pipe_t::open: pipe2 failed: %s", strerror (errno)); |
| 92 | return false; |
| 93 | } |
| 94 | |
| 95 | m_pipe_fd.emplace (pipe); |
| 96 | |
| 97 | if (::fcntl (read_fd (), F_SETFL, O_NONBLOCK) |
| 98 | || ::fcntl (write_fd (), F_SETFL, O_NONBLOCK)) |
| 99 | { |
| 100 | warning ("pipe_t::open: fcntl failed: %s", strerror (errno)); |
| 101 | close (); |
| 102 | return false; |
| 103 | } |
| 104 | |
| 105 | return true; |
| 106 | } |
| 107 | |
| 108 | void |
| 109 | pipe_t::close () |