libssh2_channel_set_blocking (3) - Linux Man Pages
libssh2_channel_set_blocking: set or clear blocking mode on channel
NAMElibssh2_channel_set_blocking - set or clear blocking mode on channel
DESCRIPTIONchannel - channel stream to set or clean blocking status on.
blocking - Set to a non-zero value to make the channel block, or zero to make it non-blocking.
Currently this is just a short cut call to libssh2_session_set_blocking(3) and therefore will affect the session and all channels.