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[Qemu-devel] [PATCH 26/41] migration: make migrate_fd_wait_for_unfreeze(
From: |
Juan Quintela |
Subject: |
[Qemu-devel] [PATCH 26/41] migration: make migrate_fd_wait_for_unfreeze() return errors |
Date: |
Fri, 21 Sep 2012 10:47:20 +0200 |
Adjust all callers
Signed-off-by: Juan Quintela <address@hidden>
---
buffered_file.c | 8 ++++++--
migration.c | 7 ++++---
migration.h | 2 +-
3 files changed, 11 insertions(+), 6 deletions(-)
diff --git a/buffered_file.c b/buffered_file.c
index 9db73dc..6d9a50b 100644
--- a/buffered_file.c
+++ b/buffered_file.c
@@ -149,8 +149,12 @@ static int buffered_close(void *opaque)
if (ret < 0) {
break;
}
- if (s->freeze_output)
- migrate_fd_wait_for_unfreeze(s->migration_state);
+ if (s->freeze_output) {
+ ret = migrate_fd_wait_for_unfreeze(s->migration_state);
+ if (ret < 0) {
+ break;
+ }
+ }
}
ret2 = migrate_fd_close(s->migration_state);
diff --git a/migration.c b/migration.c
index 56014dd..6a505c1 100644
--- a/migration.c
+++ b/migration.c
@@ -368,13 +368,13 @@ static void migrate_fd_cancel(MigrationState *s)
migrate_fd_cleanup(s);
}
-void migrate_fd_wait_for_unfreeze(MigrationState *s)
+int migrate_fd_wait_for_unfreeze(MigrationState *s)
{
int ret;
DPRINTF("wait for unfreeze\n");
if (s->state != MIG_STATE_ACTIVE)
- return;
+ return -EINVAL;
do {
fd_set wfds;
@@ -386,8 +386,9 @@ void migrate_fd_wait_for_unfreeze(MigrationState *s)
} while (ret == -1 && (s->get_error(s)) == EINTR);
if (ret == -1) {
- qemu_file_set_error(s->file, -s->get_error(s));
+ return -s->get_error(s);
}
+ return 0;
}
int migrate_fd_close(MigrationState *s)
diff --git a/migration.h b/migration.h
index ec022d6..1c3e9b7 100644
--- a/migration.h
+++ b/migration.h
@@ -81,7 +81,7 @@ void migrate_fd_connect(MigrationState *s);
ssize_t migrate_fd_put_buffer(MigrationState *s, const void *data,
size_t size);
void migrate_fd_put_ready(MigrationState *s);
-void migrate_fd_wait_for_unfreeze(MigrationState *s);
+int migrate_fd_wait_for_unfreeze(MigrationState *s);
int migrate_fd_close(MigrationState *s);
void add_migration_state_change_notifier(Notifier *notify);
--
1.7.11.4
- Re: [Qemu-devel] [PATCH 22/41] buffered_file: unfold migrate_fd_put_buffer, (continued)
- [Qemu-devel] [PATCH 21/41] buffered_file: unfold migrate_fd_put_buffer, Juan Quintela, 2012/09/21
- [Qemu-devel] [PATCH 19/41] buffered_file: unfold migrate_fd_put_buffer, Juan Quintela, 2012/09/21
- [Qemu-devel] [PATCH 15/41] migration: Add dirty_pages_rate to query migrate output, Juan Quintela, 2012/09/21
- [Qemu-devel] [PATCH 27/41] savevm: unexport qemu_fflush, Juan Quintela, 2012/09/21
- [Qemu-devel] [PATCH 23/41] buffered_file: We can access directly to bandwidth_limit, Juan Quintela, 2012/09/21
- [Qemu-devel] [PATCH 26/41] migration: make migrate_fd_wait_for_unfreeze() return errors,
Juan Quintela <=
- [Qemu-devel] [PATCH 29/41] savevm: Remove qemu_fseek(), Juan Quintela, 2012/09/21
- [Qemu-devel] [PATCH 30/41] savevm: make qemu_fflush() return an error code, Juan Quintela, 2012/09/21
- [Qemu-devel] [PATCH 38/41] block-migration: handle errors with the return codes correctly, Juan Quintela, 2012/09/21
- [Qemu-devel] [PATCH 40/41] savevm: make qemu_file_put_notify() return errors, Juan Quintela, 2012/09/21