qemu-api/src/chardev.rs

3 // SPDX-License-Identifier: GPL-2.0-or-later
15     io::{self, ErrorKind, Write},
38 /// back-end that is used for example by a device.  Compared to the
47 impl Write for BqlRefMut<'_, bindings::CharBackend> {
48     fn flush(&mut self) -> io::Result<()> {  in flush()
52     fn write(&mut self, buf: &[u8]) -> io::Result<usize> {  in write()  method
60     fn write_all(&mut self, buf: &[u8]) -> io::Result<()> {  in write_all()
76     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {  in fmt()
91     /// Enable the front-end's character device handlers, if there is an
112         ) -> c_int {  in enable_handlers()
171     /// Disable the front-end's character device handlers.
197     /// as an implementor of `Write`.  Note that it is not valid to drop
199     /// that might cause C code to write to the character device.
200     pub fn borrow_mut(&self) -> impl Write + '_ {  in borrow_mut()
206     pub fn send_break(&self, long: bool) -> io::Result<()> {  in send_break()
221     /// Write data to a character backend from the front end.  This function
222     /// will send data from the front end to the back end.  Unlike
223     /// `write`, this function will block if the back end cannot
228     pub fn write(&self, buf: &[u8]) -> io::Result<usize> {  in write()  method
230         // SAFETY: qemu_chr_fe_write is thread-safe  in write()
235     /// Write data to a character backend from the front end.  This function
236     /// will send data from the front end to the back end.  Unlike
237     /// `write`, this function will block if the back end cannot
242     pub fn write_all(&self, buf: &[u8]) -> io::Result<()> {  in write_all()
244         // SAFETY: qemu_chr_fe_write_all is thread-safe  in write_all()