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backends: Have HostMemoryBackendClass::alloc() handler return a boolean

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Following the example documented since commit e3fe3988d7 ("error:
Document Error API usage rules"), have HostMemoryBackendClass::alloc
return a boolean indicating whether an error is set or not.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Reviewed-by: Gavin Shan <gshan@redhat.com>
Message-Id: <20231120213301.24349-17-philmd@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2023-11-20 13:50:52 +01:00
parent e199f7ad4d
commit fdb63cf3b5
6 changed files with 36 additions and 28 deletions
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10
include/sysemu/hostmem.h
View file

@ -47,7 +47,15 @@ OBJECT_DECLARE_TYPE(HostMemoryBackend, HostMemoryBackendClass,
struct HostMemoryBackendClass {
ObjectClass parent_class;
void (*alloc)(HostMemoryBackend *backend, Error **errp);
/**
* alloc: Allocate memory from backend.
*
* @backend: the #HostMemoryBackend.
* @errp: pointer to Error*, to store an error if it happens.
*
* Return: true on success, else false setting @errp with error.
*/
bool (*alloc)(HostMemoryBackend *backend, Error **errp);
};
/**