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| author | Kevin Wolf | 2020-10-05 17:58:52 +0200 |
|---|---|---|
| committer | Markus Armbruster | 2020-10-09 07:08:20 +0200 |
| commit | 26b0b698c00bd9176f86c539aeb680481fa19473 (patch) | |
| tree | 4fda52f77177d2997482588790aa2f14ecc0bc1f /include/block/aio.h | |
| parent | hmp: Add support for coroutine command handlers (diff) | |
| download | qemu-26b0b698c00bd9176f86c539aeb680481fa19473.tar.gz qemu-26b0b698c00bd9176f86c539aeb680481fa19473.tar.xz qemu-26b0b698c00bd9176f86c539aeb680481fa19473.zip | |
util/async: Add aio_co_reschedule_self()
Add a function that can be used to move the currently running coroutine
to a different AioContext (and therefore potentially a different
thread).
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20201005155855.256490-12-kwolf@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Diffstat (limited to 'include/block/aio.h')
| -rw-r--r-- | include/block/aio.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/block/aio.h b/include/block/aio.h index ec8c5af642..5f342267d5 100644 --- a/include/block/aio.h +++ b/include/block/aio.h @@ -17,6 +17,7 @@ #ifdef CONFIG_LINUX_IO_URING #include <liburing.h> #endif +#include "qemu/coroutine.h" #include "qemu/queue.h" #include "qemu/event_notifier.h" #include "qemu/thread.h" @@ -655,6 +656,15 @@ static inline bool aio_node_check(AioContext *ctx, bool is_external) void aio_co_schedule(AioContext *ctx, struct Coroutine *co); /** + * aio_co_reschedule_self: + * @new_ctx: the new context + * + * Move the currently running coroutine to new_ctx. If the coroutine is already + * running in new_ctx, do nothing. + */ +void coroutine_fn aio_co_reschedule_self(AioContext *new_ctx); + +/** * aio_co_wake: * @co: the coroutine * |