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| author | Kevin Wolf | 2019-02-18 14:09:32 +0100 |
|---|---|---|
| committer | Kevin Wolf | 2019-02-25 15:03:19 +0100 |
| commit | 6886ceaf61c2399419258246a064485e9b1e51ac (patch) | |
| tree | 81609e35fb15b3b34e4edd2aef68e243ff32ca70 /include/io | |
| parent | nbd: Restrict connection_co reentrance (diff) | |
| download | qemu-6886ceaf61c2399419258246a064485e9b1e51ac.tar.gz qemu-6886ceaf61c2399419258246a064485e9b1e51ac.tar.xz qemu-6886ceaf61c2399419258246a064485e9b1e51ac.zip | |
io: Make qio_channel_yield() interruptible
Similar to how qemu_co_sleep_ns() allows preemption from an external
coroutine entry, allow reentering qio_channel_yield() early.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'include/io')
| -rw-r--r-- | include/io/channel.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/include/io/channel.h b/include/io/channel.h index da2f138200..59460cb1ec 100644 --- a/include/io/channel.h +++ b/include/io/channel.h @@ -739,10 +739,13 @@ void qio_channel_detach_aio_context(QIOChannel *ioc); * addition, no two coroutine can be waiting on the same condition * and channel at the same time. * - * This must only be called from coroutine context + * This must only be called from coroutine context. It is safe to + * reenter the coroutine externally while it is waiting; in this + * case the function will return even if @condition is not yet + * available. */ -void qio_channel_yield(QIOChannel *ioc, - GIOCondition condition); +void coroutine_fn qio_channel_yield(QIOChannel *ioc, + GIOCondition condition); /** * qio_channel_wait: |