Message ID | 1504081950-2528-30-git-send-email-peterx@redhat.com |
---|---|
State | New |
Headers | show |
Series | Migration: postcopy failure recovery | expand |
* Peter Xu (peterx@redhat.com) wrote: > Return the async task tag for exec typed incoming migration in > exec_start_incoming_migration(). > > Signed-off-by: Peter Xu <peterx@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> > --- > migration/exec.c | 18 +++++++++++------- > migration/exec.h | 2 +- > 2 files changed, 12 insertions(+), 8 deletions(-) > > diff --git a/migration/exec.c b/migration/exec.c > index 08b599e..ef1fb4c 100644 > --- a/migration/exec.c > +++ b/migration/exec.c > @@ -52,7 +52,11 @@ static gboolean exec_accept_incoming_migration(QIOChannel *ioc, > return FALSE; /* unregister */ > } > > -void exec_start_incoming_migration(const char *command, Error **errp) > +/* > + * Returns the tag ID of the watch that is attached to global main > + * loop (>0), or zero if failure detected. > + */ > +guint exec_start_incoming_migration(const char *command, Error **errp) > { > QIOChannel *ioc; > const char *argv[] = { "/bin/sh", "-c", command, NULL }; > @@ -62,13 +66,13 @@ void exec_start_incoming_migration(const char *command, Error **errp) > O_RDWR, > errp)); > if (!ioc) { > - return; > + return 0; > } > > qio_channel_set_name(ioc, "migration-exec-incoming"); > - qio_channel_add_watch(ioc, > - G_IO_IN, > - exec_accept_incoming_migration, > - NULL, > - NULL); > + return qio_channel_add_watch(ioc, > + G_IO_IN, > + exec_accept_incoming_migration, > + NULL, > + NULL); > } > diff --git a/migration/exec.h b/migration/exec.h > index b210ffd..0a7aada 100644 > --- a/migration/exec.h > +++ b/migration/exec.h > @@ -19,7 +19,7 @@ > > #ifndef QEMU_MIGRATION_EXEC_H > #define QEMU_MIGRATION_EXEC_H > -void exec_start_incoming_migration(const char *host_port, Error **errp); > +guint exec_start_incoming_migration(const char *host_port, Error **errp); > > void exec_start_outgoing_migration(MigrationState *s, const char *host_port, > Error **errp); > -- > 2.7.4 > > -- Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK
diff --git a/migration/exec.c b/migration/exec.c index 08b599e..ef1fb4c 100644 --- a/migration/exec.c +++ b/migration/exec.c @@ -52,7 +52,11 @@ static gboolean exec_accept_incoming_migration(QIOChannel *ioc, return FALSE; /* unregister */ } -void exec_start_incoming_migration(const char *command, Error **errp) +/* + * Returns the tag ID of the watch that is attached to global main + * loop (>0), or zero if failure detected. + */ +guint exec_start_incoming_migration(const char *command, Error **errp) { QIOChannel *ioc; const char *argv[] = { "/bin/sh", "-c", command, NULL }; @@ -62,13 +66,13 @@ void exec_start_incoming_migration(const char *command, Error **errp) O_RDWR, errp)); if (!ioc) { - return; + return 0; } qio_channel_set_name(ioc, "migration-exec-incoming"); - qio_channel_add_watch(ioc, - G_IO_IN, - exec_accept_incoming_migration, - NULL, - NULL); + return qio_channel_add_watch(ioc, + G_IO_IN, + exec_accept_incoming_migration, + NULL, + NULL); } diff --git a/migration/exec.h b/migration/exec.h index b210ffd..0a7aada 100644 --- a/migration/exec.h +++ b/migration/exec.h @@ -19,7 +19,7 @@ #ifndef QEMU_MIGRATION_EXEC_H #define QEMU_MIGRATION_EXEC_H -void exec_start_incoming_migration(const char *host_port, Error **errp); +guint exec_start_incoming_migration(const char *host_port, Error **errp); void exec_start_outgoing_migration(MigrationState *s, const char *host_port, Error **errp);
Return the async task tag for exec typed incoming migration in exec_start_incoming_migration(). Signed-off-by: Peter Xu <peterx@redhat.com> --- migration/exec.c | 18 +++++++++++------- migration/exec.h | 2 +- 2 files changed, 12 insertions(+), 8 deletions(-)