diff options
Diffstat (limited to 'prelude.rb')
| -rw-r--r-- | prelude.rb | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/prelude.rb b/prelude.rb index 4f4277b664..25f66cdf13 100644 --- a/prelude.rb +++ b/prelude.rb @@ -39,6 +39,10 @@ class IO # # read_nonblock causes EOFError on EOF. # + # On some platforms, such as Windows, non-blocking mode is not supported + # on IO objects other than sockets. In such cases, Errno::EBADF will + # be raised. + # # If the read byte buffer is not empty, # read_nonblock reads from the buffer like readpartial. # In this case, the read(2) system call is not called. |