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migration: Make explicit that we are quitting multifd

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We add a bool to indicate that.

Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
This commit is contained in:
Juan Quintela 2019-07-24 11:46:24 +02:00
parent a3ec6b7d23
commit 3c3ca25d1f
1 changed files with 9 additions and 0 deletions
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9
migration/ram.c
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@ -677,6 +677,8 @@ typedef struct {
QemuMutex mutex;
/* is this channel thread running */
bool running;
/* should this thread finish */
bool quit;
/* array of pages to receive */
MultiFDPages_t *pages;
/* packet allocated len */
@ -1266,6 +1268,7 @@ static void multifd_recv_terminate_threads(Error *err)
MultiFDRecvParams *p = &multifd_recv_state->params[i];
qemu_mutex_lock(&p->mutex);
p->quit = true;
/* We could arrive here for two reasons:
- normal quit, i.e. everything went fine, just finished
- error quit: We close the channels so the channel threads
@ -1288,6 +1291,7 @@ int multifd_load_cleanup(Error **errp)
MultiFDRecvParams *p = &multifd_recv_state->params[i];
if (p->running) {
p->quit = true;
qemu_thread_join(&p->thread);
}
object_unref(OBJECT(p->c));
@ -1351,6 +1355,10 @@ static void *multifd_recv_thread(void *opaque)
uint32_t used;
uint32_t flags;
if (p->quit) {
break;
}
ret = qio_channel_read_all_eof(p->c, (void *)p->packet,
p->packet_len, &local_err);
if (ret == 0) { /* EOF */
@ -1422,6 +1430,7 @@ int multifd_load_setup(void)
qemu_mutex_init(&p->mutex);
qemu_sem_init(&p->sem_sync, 0);
p->quit = false;
p->id = i;
p->pages = multifd_pages_init(page_count);
p->packet_len = sizeof(MultiFDPacket_t)