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[Qemu-devel] [PATCH 08/23] migration: Introduce MIG_STATE_NONE


From: Juan Quintela
Subject: [Qemu-devel] [PATCH 08/23] migration: Introduce MIG_STATE_NONE
Date: Tue, 20 Sep 2011 16:19:36 +0200

Use MIG_STATE_ACTIVE only when migration has really started

Signed-off-by: Juan Quintela <address@hidden>
---
 migration.c |    6 +++++-
 migration.h |   11 +++++++----
 2 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/migration.c b/migration.c
index 1d7a488..59e8f06 100644
--- a/migration.c
+++ b/migration.c
@@ -239,6 +239,9 @@ void do_info_migrate(Monitor *mon, QObject **ret_data)
         MigrationState *s = current_migration;

         switch (s->get_status(current_migration)) {
+        case MIG_STATE_NONE:
+            /* no migration has happened ever */
+            break;
         case MIG_STATE_ACTIVE:
             qdict = qdict_new();
             qdict_put(qdict, "status", qstring_from_str("active"));
@@ -469,6 +472,7 @@ void migrate_fd_connect(MigrationState *s)
 {
     int ret;

+    s->state = MIG_STATE_ACTIVE;
     s->file = qemu_fopen_ops_buffered(s,
                                       s->bandwidth_limit,
                                       migrate_fd_put_buffer,
@@ -499,7 +503,7 @@ static MigrationState *migrate_create_state(Monitor *mon,
     s->shared = inc;
     s->mon = NULL;
     s->bandwidth_limit = bandwidth_limit;
-    s->state = MIG_STATE_ACTIVE;
+    s->state = MIG_STATE_NONE;

     if (!detach) {
         migrate_fd_monitor_suspend(s, mon);
diff --git a/migration.h b/migration.h
index a08b5fa..b9e8a76 100644
--- a/migration.h
+++ b/migration.h
@@ -18,10 +18,13 @@
 #include "qemu-common.h"
 #include "notify.h"

-#define MIG_STATE_ERROR                -1
-#define MIG_STATE_COMPLETED    0
-#define MIG_STATE_CANCELLED    1
-#define MIG_STATE_ACTIVE       2
+enum migration_state {
+    MIG_STATE_ERROR,
+    MIG_STATE_NONE,
+    MIG_STATE_CANCELLED,
+    MIG_STATE_ACTIVE,
+    MIG_STATE_COMPLETED,
+};

 typedef struct MigrationState MigrationState;

-- 
1.7.6.2




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