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[Qemu-devel] [7158] Add unregister_savevm() (Mark McLoughlin)
From: |
Anthony Liguori |
Subject: |
[Qemu-devel] [7158] Add unregister_savevm() (Mark McLoughlin) |
Date: |
Fri, 17 Apr 2009 18:06:47 +0000 |
Revision: 7158
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=7158
Author: aliguori
Date: 2009-04-17 18:06:46 +0000 (Fri, 17 Apr 2009)
Log Message:
-----------
Add unregister_savevm() (Mark McLoughlin)
Currently there's no way to unregister a savevm callback, so
e.g. if a NIC is hot-unplugged and a savevm is issued, we'll
segfault.
Signed-off-by: Mark McLoughlin <address@hidden>
Signed-off-by: Anthony Liguori <address@hidden>
Modified Paths:
--------------
branches/stable_0_10/hw/hw.h
branches/stable_0_10/savevm.c
Modified: branches/stable_0_10/hw/hw.h
===================================================================
--- branches/stable_0_10/hw/hw.h 2009-04-17 18:06:42 UTC (rev 7157)
+++ branches/stable_0_10/hw/hw.h 2009-04-17 18:06:46 UTC (rev 7158)
@@ -239,6 +239,8 @@
LoadStateHandler *load_state,
void *opaque);
+void unregister_savevm(const char *idstr, void *opaque);
+
typedef void QEMUResetHandler(void *opaque);
void qemu_register_reset(QEMUResetHandler *func, void *opaque);
Modified: branches/stable_0_10/savevm.c
===================================================================
--- branches/stable_0_10/savevm.c 2009-04-17 18:06:42 UTC (rev 7157)
+++ branches/stable_0_10/savevm.c 2009-04-17 18:06:46 UTC (rev 7158)
@@ -643,6 +643,22 @@
NULL, save_state, load_state, opaque);
}
+void unregister_savevm(const char *idstr, void *opaque)
+{
+ SaveStateEntry **pse;
+
+ pse = &first_se;
+ while (*pse != NULL) {
+ if (strcmp((*pse)->idstr, idstr) == 0 && (*pse)->opaque == opaque) {
+ SaveStateEntry *next = (*pse)->next;
+ qemu_free(*pse);
+ *pse = next;
+ continue;
+ }
+ pse = &(*pse)->next;
+ }
+}
+
#define QEMU_VM_FILE_MAGIC 0x5145564d
#define QEMU_VM_FILE_VERSION_COMPAT 0x00000002
#define QEMU_VM_FILE_VERSION 0x00000003
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