[libvirt] [PATCH 3/3] Remove time APIs from src/util/util.h

[Jiri Denemark]

On Tue, Nov 29, 2011 at 12:38:24 +0000, Daniel P. Berrange wrote:
> From: "Daniel P. Berrange" <berrange at redhat.com>
> 
> The virTimestamp and virTimeMs functions in src/util/util.h
> duplicate functionality from virtime.h, in a non-async signal
> safe manner. Remove them, and convert all code over to the new
> APIs.
> 
> * src/util/util.c, src/util/util.h: Delete virTimeMs and virTimestamp
> * src/lxc/lxc_driver.c, src/qemu/qemu_domain.c,
>   src/qemu/qemu_driver.c, src/qemu/qemu_migration.c,
>   src/qemu/qemu_process.c, src/util/event_poll.c: Convert to use
>   virtime APIs
> ---
>  src/libvirt_private.syms  |    2 -
>  src/lxc/lxc_driver.c      |    3 +-
>  src/qemu/qemu_domain.c    |    5 ++-
>  src/qemu/qemu_driver.c    |    7 +++--
>  src/qemu/qemu_migration.c |    5 ++-
>  src/qemu/qemu_process.c   |    9 ++++---
>  src/util/event_poll.c     |    9 ++++---
>  src/util/util.c           |   53 ---------------------------------------------
>  src/util/util.h           |    4 ---
>  9 files changed, 22 insertions(+), 75 deletions(-)
> 
...
> diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
> index d33d1d9..b28c734 100644
> --- a/src/qemu/qemu_domain.c
> +++ b/src/qemu/qemu_domain.c
> @@ -36,6 +36,7 @@
>  #include "uuid.h"
>  #include "virfile.h"
>  #include "domain_event.h"
> +#include "virtime.h"
>  
>  #include <sys/time.h>
>  #include <fcntl.h>
> @@ -728,7 +729,7 @@ qemuDomainObjBeginJobInternal(struct qemud_driver *driver,
>  
>      priv->jobs_queued++;
>  
> -    if (virTimeMs(&now) < 0)
> +    if (virTimeMillisNow(&now) < 0)
>          return -1;
>      then = now + QEMU_JOB_WAIT_TIME;
>  
...

This (and other similar ones in this patch) simple replacement won't work
since virTimeMs used to report libvirt error while virTimeMillisNow doesn't do
that. Thus in case of error (although it's not a frequent one)
qemuDomainObjBeginJobInternal would return -1 without reporting any error.


Jirka