diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2017-02-13 14:52:22 +0100 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2017-02-21 11:14:07 +0000 |
| commit | bf88c1247f80ac6d62710d5d0d0d9ce3a53e99ec (patch) | |
| tree | 2b2e9e2f7f0f525cb22fc8aaea204ff6307a65d1 /include/io | |
| parent | 934ebf48c0e81dd1f3febb53ae9b8eb8f2a12aab (diff) | |
io: add methods to set I/O handlers on AioContext
This is in preparation for making qio_channel_yield work on
AioContexts other than the main one.
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Message-id: 20170213135235.12274-6-pbonzini@redhat.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 32a9470794..0bc7c3f47f 100644 --- a/include/io/channel.h +++ b/include/io/channel.h @@ -23,6 +23,7 @@ #include "qemu-common.h" #include "qom/object.h" +#include "block/aio.h" #define TYPE_QIO_CHANNEL "qio-channel" #define QIO_CHANNEL(obj) \ @@ -132,6 +133,11 @@ struct QIOChannelClass { off_t offset, int whence, Error **errp); + void (*io_set_aio_fd_handler)(QIOChannel *ioc, + AioContext *ctx, + IOHandler *io_read, + IOHandler *io_write, + void *opaque); }; /* General I/O handling functions */ @@ -525,4 +531,23 @@ void qio_channel_yield(QIOChannel *ioc, void qio_channel_wait(QIOChannel *ioc, GIOCondition condition); +/** + * qio_channel_set_aio_fd_handler: + * @ioc: the channel object + * @ctx: the AioContext to set the handlers on + * @io_read: the read handler + * @io_write: the write handler + * @opaque: the opaque value passed to the handler + * + * This is used internally by qio_channel_yield(). It can + * be used by channel implementations to forward the handlers + * to another channel (e.g. from #QIOChannelTLS to the + * underlying socket). + */ +void qio_channel_set_aio_fd_handler(QIOChannel *ioc, + AioContext *ctx, + IOHandler *io_read, + IOHandler *io_write, + void *opaque); + #endif /* QIO_CHANNEL_H */ |