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migration: convert to NotifierWithReturn

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Change all migration notifiers to type NotifierWithReturn, so notifiers
can return an error status in a future patch.  For now, pass NULL for the
notifier error parameter, and do not check the return value.

Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Link: https://lore.kernel.org/r/1708622920-68779-4-git-send-email-steven.sistare@oracle.com
[peterx: dropped unexpected update to roms/seabios-hppa]
Signed-off-by: Peter Xu <peterx@redhat.com>
This commit is contained in:
Steve Sistare 2024-02-22 09:28:29 -08:00 • committed by Peter Xu
parent d91f33c72e
commit 3e7757301c
9 changed files with 29 additions and 20 deletions
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16
migration/migration.c
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@ -69,8 +69,8 @@
#include "qemu/sockets.h"
#include "sysemu/kvm.h"
static NotifierList migration_state_notifiers =
NOTIFIER_LIST_INITIALIZER(migration_state_notifiers);
static NotifierWithReturnList migration_state_notifiers =
NOTIFIER_WITH_RETURN_LIST_INITIALIZER(migration_state_notifiers);
/* Messages sent on the return path from destination to source */
enum mig_rp_message_type {
@ -1459,24 +1459,24 @@ static void migrate_fd_cancel(MigrationState *s)
}
}
void migration_add_notifier(Notifier *notify,
void (*func)(Notifier *notifier, void *data))
void migration_add_notifier(NotifierWithReturn *notify,
NotifierWithReturnFunc func)
{
notify->notify = func;
notifier_list_add(&migration_state_notifiers, notify);
notifier_with_return_list_add(&migration_state_notifiers, notify);
}
void migration_remove_notifier(Notifier *notify)
void migration_remove_notifier(NotifierWithReturn *notify)
{
if (notify->notify) {
notifier_remove(notify);
notifier_with_return_remove(notify);
notify->notify = NULL;
}
}
void migration_call_notifiers(MigrationState *s)
{
notifier_list_notify(&migration_state_notifiers, s);
notifier_with_return_list_notify(&migration_state_notifiers, s, 0);
}
bool migration_in_setup(MigrationState *s)