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| author | Elena Ufimtseva <elena.ufimtseva@oracle.com> | 2021-01-29 11:46:08 -0500 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2021-02-10 09:23:28 +0000 |
| commit | bfa42387505168782ba7b339d0b13c23648e6207 (patch) | |
| tree | b872fcb018a90ac29d47e240fa1c896e48d7ab0c /include/io | |
| parent | 3f0e7e57a343ff8c041f47df108aa795fbf27fb3 (diff) | |
| download | qemu-bfa42387505168782ba7b339d0b13c23648e6207.zip qemu-bfa42387505168782ba7b339d0b13c23648e6207.tar.gz qemu-bfa42387505168782ba7b339d0b13c23648e6207.tar.bz2 | |
io: add qio_channel_writev_full_all helper
Adds qio_channel_writev_full_all() to transmit both data and FDs.
Refactors existing code to use this helper.
Signed-off-by: Elena Ufimtseva <elena.ufimtseva@oracle.com>
Signed-off-by: John G Johnson <john.g.johnson@oracle.com>
Signed-off-by: Jagannathan Raman <jag.raman@oracle.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Acked-by: Daniel P. Berrangé <berrange@redhat.com>
Message-id: 480fbf1fe4152495d60596c9b665124549b426a5.1611938319.git.jag.raman@oracle.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'include/io')
| -rw-r--r-- | include/io/channel.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/include/io/channel.h b/include/io/channel.h index ab9ea77..19e76fc 100644 --- a/include/io/channel.h +++ b/include/io/channel.h @@ -777,4 +777,29 @@ void qio_channel_set_aio_fd_handler(QIOChannel *ioc, IOHandler *io_write, void *opaque); +/** + * qio_channel_writev_full_all: + * @ioc: the channel object + * @iov: the array of memory regions to write data from + * @niov: the length of the @iov array + * @fds: an array of file handles to send + * @nfds: number of file handles in @fds + * @errp: pointer to a NULL-initialized error object + * + * + * Behaves like qio_channel_writev_full but will attempt + * to send all data passed (file handles and memory regions). + * The function will wait for all requested data + * to be written, yielding from the current coroutine + * if required. + * + * Returns: 0 if all bytes were written, or -1 on error + */ + +int qio_channel_writev_full_all(QIOChannel *ioc, + const struct iovec *iov, + size_t niov, + int *fds, size_t nfds, + Error **errp); + #endif /* QIO_CHANNEL_H */ |