diff options
Diffstat (limited to 'include/qemu/coroutine.h')
| -rw-r--r-- | include/qemu/coroutine.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/qemu/coroutine.h b/include/qemu/coroutine.h index fce228f68a..12ce8e109e 100644 --- a/include/qemu/coroutine.h +++ b/include/qemu/coroutine.h @@ -167,6 +167,11 @@ typedef struct CoMutex { */ unsigned locked; + /* Context that is holding the lock. Useful to avoid spinning + * when two coroutines on the same AioContext try to get the lock. :) + */ + AioContext *ctx; + /* A queue of waiters. Elements are added atomically in front of * from_push. to_pop is only populated, and popped from, by whoever * is in charge of the next wakeup. This can be an unlocker or, |