diff options
Diffstat (limited to 'include/qemu/coroutine.h')
| -rw-r--r-- | include/qemu/coroutine.h | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/include/qemu/coroutine.h b/include/qemu/coroutine.h index c5d7742989..82c0671f80 100644 --- a/include/qemu/coroutine.h +++ b/include/qemu/coroutine.h @@ -291,21 +291,22 @@ void qemu_co_rwlock_wrlock(CoRwlock *lock); */ void qemu_co_rwlock_unlock(CoRwlock *lock); -typedef struct QemuCoSleepState QemuCoSleepState; +typedef struct QemuCoSleep { + Coroutine *to_wake; +} QemuCoSleep; /** - * Yield the coroutine for a given duration. During this yield, @sleep_state - * is set to an opaque pointer, which may be used for - * qemu_co_sleep_wake(). Be careful, the pointer is set back to zero when the - * timer fires. Don't save the obtained value to other variables and don't call - * qemu_co_sleep_wake from another aio context. + * Yield the coroutine for a given duration. Initializes @w so that, + * during this yield, it can be passed to qemu_co_sleep_wake() to + * terminate the sleep. */ -void coroutine_fn qemu_co_sleep_ns_wakeable(QEMUClockType type, int64_t ns, - QemuCoSleepState **sleep_state); +void coroutine_fn qemu_co_sleep_ns_wakeable(QemuCoSleep *w, + QEMUClockType type, int64_t ns); + static inline void coroutine_fn qemu_co_sleep_ns(QEMUClockType type, int64_t ns) { - QemuCoSleepState *unused = NULL; - qemu_co_sleep_ns_wakeable(type, ns, &unused); + QemuCoSleep w = { 0 }; + qemu_co_sleep_ns_wakeable(&w, type, ns); } /** @@ -314,7 +315,7 @@ static inline void coroutine_fn qemu_co_sleep_ns(QEMUClockType type, int64_t ns) * qemu_co_sleep_ns() and should be checked to be non-NULL before calling * qemu_co_sleep_wake(). */ -void qemu_co_sleep_wake(QemuCoSleepState *sleep_state); +void qemu_co_sleep_wake(QemuCoSleep *w); /** * Yield until a file descriptor becomes readable |