diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/qemu/coroutine.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/qemu/coroutine.h b/include/qemu/coroutine.h index 29a20782f0..e6a60d55fd 100644 --- a/include/qemu/coroutine.h +++ b/include/qemu/coroutine.h @@ -92,6 +92,19 @@ Coroutine *coroutine_fn qemu_coroutine_self(void); */ bool qemu_in_coroutine(void); +/** + * Return true if the coroutine is currently entered + * + * A coroutine is "entered" if it has not yielded from the current + * qemu_coroutine_enter() call used to run it. This does not mean that the + * coroutine is currently executing code since it may have transferred control + * to another coroutine using qemu_coroutine_enter(). + * + * When several coroutines enter each other there may be no way to know which + * ones have already been entered. In such situations this function can be + * used to avoid recursively entering coroutines. + */ +bool qemu_coroutine_entered(Coroutine *co); /** |