Re: [Qemu-devel] [PATCH v4 01/15] coroutine: add co_sleep_ns() coroutine sleep function

[Kevin Wolf <kwolf@redhat.com>]

Am 06.01.2012 15:01, schrieb Stefan Hajnoczi:
> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
> ---
>  Makefile.objs          |    1 +
>  qemu-coroutine-sleep.c |   38 ++++++++++++++++++++++++++++++++++++++
>  qemu-coroutine.h       |    6 ++++++
>  3 files changed, 45 insertions(+), 0 deletions(-)
>  create mode 100644 qemu-coroutine-sleep.c

> diff --git a/qemu-coroutine.h b/qemu-coroutine.h
> index 8a55fe1..bae1ffe 100644
> --- a/qemu-coroutine.h
> +++ b/qemu-coroutine.h
> @@ -17,6 +17,7 @@
>  
>  #include <stdbool.h>
>  #include "qemu-queue.h"
> +#include "qemu-timer.h"
>  
>  /**
>   * Coroutines are a mechanism for stack switching and can be used for
> @@ -199,4 +200,9 @@ void qemu_co_rwlock_wrlock(CoRwlock *lock);
>   */
>  void qemu_co_rwlock_unlock(CoRwlock *lock);
>  
> +/**
> + * Yield the coroutine for a given duration
> + */
> +void coroutine_fn co_sleep_ns(QEMUClock *clock, int64_t ns);
> +
>  #endif /* QEMU_COROUTINE_H */

As you mentioned on IRC yesterday, timers don't work in the tools. There
should probably be a warning in the comment (or a fix before this is merged)

Kevin