[v2] chardev: Use QEMUChrEvent enum in IOEventHandler typedef

[RFC PATCH v2 11/14] monitor/qmp: Explicit we ignore few QEMUChrEvent in IOEventHandler

Philippe Mathieu-Daudé posted 14 patches 6 years, 1 month ago

Diff against v1
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[RFC PATCH v2 11/14] monitor/qmp: Explicit we ignore few QEMUChrEvent in IOEventHandler

Posted by Philippe Mathieu-Daudé 6 years, 1 month ago

The Chardev events are listed in the QEMUChrEvent enum. To be
able to use this enum in the IOEventHandler typedef, we need to
explicit all the events ignored by this frontend, to silent the
following GCC warning:

    CC      monitor/qmp.o
  monitor/qmp.c: In function ‘monitor_qmp_event’:
  monitor/qmp.c:345:5: error: enumeration value ‘CHR_EVENT_BREAK’ not handled in switch [-Werror=switch]
    345 |     switch (event) {
        |     ^~~~~~
  monitor/qmp.c:345:5: error: enumeration value ‘CHR_EVENT_MUX_IN’ not handled in switch [-Werror=switch]
  monitor/qmp.c:345:5: error: enumeration value ‘CHR_EVENT_MUX_OUT’ not handled in switch [-Werror=switch]
  cc1: all warnings being treated as errors

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
v2: Add all missing enums

Cc: Markus Armbruster <armbru@redhat.com>
---
 monitor/qmp.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/monitor/qmp.c b/monitor/qmp.c
index b67a8e7d1f..6c46be40f8 100644
--- a/monitor/qmp.c
+++ b/monitor/qmp.c
@@ -365,6 +365,11 @@ static void monitor_qmp_event(void *opaque, int event)
         mon_refcount--;
         monitor_fdsets_cleanup();
         break;
+    case CHR_EVENT_BREAK:
+    case CHR_EVENT_MUX_IN:
+    case CHR_EVENT_MUX_OUT:
+        /* Ignore */
+        break;
     }
 }
 
-- 
2.21.0

Re: [RFC PATCH v2 11/14] monitor/qmp: Explicit we ignore few QEMUChrEvent in IOEventHandler

Posted by Markus Armbruster 6 years, 1 month ago

Philippe Mathieu-Daudé <philmd@redhat.com> writes:

> The Chardev events are listed in the QEMUChrEvent enum. To be
> able to use this enum in the IOEventHandler typedef, we need to
> explicit all the events ignored by this frontend, to silent the
> following GCC warning:
>
>     CC      monitor/qmp.o
>   monitor/qmp.c: In function ‘monitor_qmp_event’:
>   monitor/qmp.c:345:5: error: enumeration value ‘CHR_EVENT_BREAK’ not handled in switch [-Werror=switch]
>     345 |     switch (event) {
>         |     ^~~~~~
>   monitor/qmp.c:345:5: error: enumeration value ‘CHR_EVENT_MUX_IN’ not handled in switch [-Werror=switch]
>   monitor/qmp.c:345:5: error: enumeration value ‘CHR_EVENT_MUX_OUT’ not handled in switch [-Werror=switch]
>   cc1: all warnings being treated as errors
>
> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
> ---
> v2: Add all missing enums
>
> Cc: Markus Armbruster <armbru@redhat.com>
> ---
>  monitor/qmp.c | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/monitor/qmp.c b/monitor/qmp.c
> index b67a8e7d1f..6c46be40f8 100644
> --- a/monitor/qmp.c
> +++ b/monitor/qmp.c
> @@ -365,6 +365,11 @@ static void monitor_qmp_event(void *opaque, int event)
>          mon_refcount--;
>          monitor_fdsets_cleanup();
>          break;
> +    case CHR_EVENT_BREAK:
> +    case CHR_EVENT_MUX_IN:
> +    case CHR_EVENT_MUX_OUT:
> +        /* Ignore */
> +        break;
>      }
>  }

With the comment dropped:
Reviewed-by: Markus Armbruster <armbru@redhat.com>