[11/26] vmstate: Add pre/post_save() hooks

Submitted by Juan Quintela on Sept. 10, 2009, 1:04 a.m.

Details

Message ID 5f9a9744cee3768aba000eec4a721ab6f015584c.1252543872.git.quintela@redhat.com
State Superseded
Headers show

Commit Message

Juan Quintela Sept. 10, 2009, 1:04 a.m.
Signed-off-by: Juan Quintela <quintela@redhat.com>
---
 hw/hw.h  |    2 ++
 savevm.c |    6 ++++++
 2 files changed, 8 insertions(+), 0 deletions(-)

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diff --git a/hw/hw.h b/hw/hw.h
index 8e75a04..d64a0e8 100644
--- a/hw/hw.h
+++ b/hw/hw.h
@@ -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;
 };

diff --git a/savevm.c b/savevm.c
index 8ae8d16..c4bee37 100644
--- a/savevm.c
+++ b/savevm.c
@@ -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)