[PATCHv3 13/14] Add notifier that will be called when machine is fully created.

[Gleb Natapov <gleb@xxxxxxxxxx>]

Action that depends on fully initialized device model should register
with this notifier chain.

Signed-off-by: Gleb Natapov <gleb@xxxxxxxxxx>
---
 sysemu.h |    2 ++
 vl.c     |   15 +++++++++++++++
 2 files changed, 17 insertions(+), 0 deletions(-)

diff --git a/sysemu.h b/sysemu.h
index 6b85d86..46a588c 100644
--- a/sysemu.h
+++ b/sysemu.h
@@ -61,6 +61,8 @@ void qemu_system_reset(void);
 void qemu_add_exit_notifier(Notifier *notify);
 void qemu_remove_exit_notifier(Notifier *notify);
 
+void qemu_add_machine_init_done_notifier(Notifier *notify);
+
 void do_savevm(Monitor *mon, const QDict *qdict);
 int load_vmstate(const char *name);
 void do_delvm(Monitor *mon, const QDict *qdict);
diff --git a/vl.c b/vl.c
index 8edf27a..00ab2b4 100644
--- a/vl.c
+++ b/vl.c
@@ -257,6 +257,9 @@ static void *boot_set_opaque;
 static NotifierList exit_notifiers =
     NOTIFIER_LIST_INITIALIZER(exit_notifiers);
 
+static NotifierList machine_init_done_notifiers =
+    NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
+
 int kvm_allowed = 1;
 uint32_t xen_domid;
 enum xen_mode xen_mode = XEN_EMULATE;
@@ -1800,6 +1803,16 @@ static void qemu_run_exit_notifiers(void)
     notifier_list_notify(&exit_notifiers);
 }
 
+void qemu_add_machine_init_done_notifier(Notifier *notify)
+{
+    notifier_list_add(&machine_init_done_notifiers, notify);
+}
+
+static void qemu_run_machine_init_done_notifiers(void)
+{
+    notifier_list_notify(&machine_init_done_notifiers);
+}
+
 static const QEMUOption *lookup_opt(int argc, char **argv,
                                     const char **poptarg, int *poptind)
 {
@@ -3091,6 +3104,8 @@ int main(int argc, char **argv, char **envp)
         exit(1);
     }
 
+    qemu_run_machine_init_done_notifiers();
+
     qemu_system_reset();
     if (loadvm) {
         if (load_vmstate(loadvm) < 0) {
-- 
1.7.1

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