diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/libbb.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/libbb.h b/include/libbb.h index 128aa92..bae7efb 100644 --- a/include/libbb.h +++ b/include/libbb.h @@ -965,6 +965,12 @@ enum { /* How long the longest ESC sequence we know? */ KEYCODE_BUFFER_SIZE = 4 }; +/* Note: fd may be in blocking or non-blocking mode, both make sense. + * For one, less uses non-blocking mode. + * Only the first read syscall inside read_key may block indefinitely + * (unless fd is in non-blocking mode), + * subsequent reads will time out after a few milliseconds. + */ int read_key(int fd, smalluint *nbuffered, char *buffer) FAST_FUNC; |