| David 'Digit' Turner | c79de3c | 2014-01-23 04:17:24 +0100 | [diff] [blame] | 1 | #include <errno.h> |
| 2 | #include <stddef.h> | ||||
| 3 | #ifdef _WIN32 | ||||
| 4 | #include <windows.h> | ||||
| 5 | #else | ||||
| 6 | #include <sys/select.h> | ||||
| 7 | #endif | ||||
| 8 | |||||
| 9 | // Wait until file descriptor |fd| becomes readable. | ||||
| 10 | void yield_until_fd_readable(int fd) { | ||||
| 11 | for (;;) { | ||||
| 12 | fd_set read_fds; | ||||
| 13 | FD_ZERO(&read_fds); | ||||
| 14 | FD_SET(fd, &read_fds); | ||||
| 15 | int ret = select(fd + 1, &read_fds, NULL, NULL, NULL); | ||||
| 16 | if (ret == 1 || (ret < 0 && errno != -EINTR)) | ||||
| 17 | return; | ||||
| 18 | } | ||||
| 19 | } | ||||
| 20 | |||||