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qom/object: enable setter for uint types

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Traditionally, the uint-specific property helpers only offer getters.
When adding object (or class) uint types, one must therefore use the
generic property helper if a setter is needed (and probably duplicate
some code writing their own getters/setters).

This enhances the uint-specific property helper APIs by adding a
bitwise-or'd 'flags' field and modifying all clients of that API to set
this paramater to OBJ_PROP_FLAG_READ. This maintains the current
behaviour whilst allowing others to also set OBJ_PROP_FLAG_WRITE (or use
the more convenient OBJ_PROP_FLAG_READWRITE) in the future (which will
automatically install a setter). Other flags may be added later.

Signed-off-by: Felipe Franciosi <felipe@nutanix.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Felipe Franciosi 2020-02-04 13:15:58 +00:00 • committed by Paolo Bonzini
parent 25aa6b3718
commit 836e1b3813
8 changed files with 247 additions and 49 deletions
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4
ui/console.c
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@ -1299,8 +1299,8 @@ static QemuConsole *new_console(DisplayState *ds, console_type_t console_type,
object_property_allow_set_link,
OBJ_PROP_LINK_STRONG,
&error_abort);
object_property_add_uint32_ptr(obj, "head",
&s->head, &error_abort);
object_property_add_uint32_ptr(obj, "head", &s->head,
OBJ_PROP_FLAG_READ, &error_abort);
if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) &&
(console_type == GRAPHIC_CONSOLE))) {