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vmstate: Add pre/post_save() hooks 

Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Juan Quintela 2009-09-10 03:04:32 +02:00 committed by Anthony Liguori
parent fd4d52deab
commit 8fb0791d30
2 changed files with 8 additions and 0 deletions
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2
hw/hw.h
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@ -308,6 +308,8 @@ struct VMStateDescription {
LoadStateHandler *load_state_old;
int (*pre_load)(void *opaque);
int (*post_load)(void *opaque);
void (*pre_save)(const void *opaque);
void (*post_save)(const void *opaque);
VMStateField *fields;
};

6
savevm.c
View File

@ -1073,6 +1073,9 @@ void vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd,
{
VMStateField *field = vmsd->fields;
if (vmsd->pre_save) {
vmsd->pre_save(opaque);
}
while(field->name) {
const void *base_addr = opaque + field->offset;
int i, n_elems = 1;
@ -1096,6 +1099,9 @@ void vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd,
}
field++;
}
if (vmsd->post_save) {
vmsd->post_save(opaque);
}
}
static int vmstate_load(QEMUFile *f, SaveStateEntry *se, int version_id)