qemu/migration/threadinfo.c
Jiang Jiacheng 671326201d migration: Introduce interface query-migrationthreads
Introduce interface query-migrationthreads. The interface is used
to query information about migration threads and returns with
migration thread's name and its id.
Introduce threadinfo.c to manage threads with migration.

Signed-off-by: Jiang Jiacheng <jiangjiacheng@huawei.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2023-02-06 19:22:57 +01:00

52 lines
1.2 KiB
C

/*
* Migration Threads info
*
* Copyright (c) 2022 HUAWEI TECHNOLOGIES CO., LTD.
*
* Authors:
* Jiang Jiacheng <jiangjiacheng@huawei.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#include "threadinfo.h"
static QLIST_HEAD(, MigrationThread) migration_threads;
MigrationThread *MigrationThreadAdd(const char *name, int thread_id)
{
MigrationThread *thread = g_new0(MigrationThread, 1);
thread->name = name;
thread->thread_id = thread_id;
QLIST_INSERT_HEAD(&migration_threads, thread, node);
return thread;
}
void MigrationThreadDel(MigrationThread *thread)
{
if (thread) {
QLIST_REMOVE(thread, node);
g_free(thread);
}
}
MigrationThreadInfoList *qmp_query_migrationthreads(Error **errp)
{
MigrationThreadInfoList *head = NULL;
MigrationThreadInfoList **tail = &head;
MigrationThread *thread = NULL;
QLIST_FOREACH(thread, &migration_threads, node) {
MigrationThreadInfo *info = g_new0(MigrationThreadInfo, 1);
info->name = g_strdup(thread->name);
info->thread_id = thread->thread_id;
QAPI_LIST_APPEND(tail, info);
}
return head;
}