From fbcc6923b00c2b468a7470fec7863f0403a65736 Mon Sep 17 00:00:00 2001 From: Stefan Hajnoczi Date: Wed, 6 Dec 2017 14:45:48 +0000 Subject: [PATCH] iothread: add iothread_by_id() API Encapsulate IOThread QOM object lookup so that callers don't need to know how and where IOThread objects live. Signed-off-by: Stefan Hajnoczi Reviewed-by: Kevin Wolf Reviewed-by: Eric Blake Message-id: 20171206144550.22295-8-stefanha@redhat.com Signed-off-by: Stefan Hajnoczi --- include/sysemu/iothread.h | 1 + iothread.c | 7 +++++++ 2 files changed, 8 insertions(+) diff --git a/include/sysemu/iothread.h b/include/sysemu/iothread.h index 110329b2b4..55de1715c7 100644 --- a/include/sysemu/iothread.h +++ b/include/sysemu/iothread.h @@ -42,6 +42,7 @@ typedef struct { OBJECT_CHECK(IOThread, obj, TYPE_IOTHREAD) char *iothread_get_id(IOThread *iothread); +IOThread *iothread_by_id(const char *id); AioContext *iothread_get_aio_context(IOThread *iothread); void iothread_stop_all(void); GMainContext *iothread_get_g_main_context(IOThread *iothread); diff --git a/iothread.c b/iothread.c index 27a4288578..e7b93e02a3 100644 --- a/iothread.c +++ b/iothread.c @@ -380,3 +380,10 @@ void iothread_destroy(IOThread *iothread) { object_unparent(OBJECT(iothread)); } + +/* Lookup IOThread by its id. Only finds user-created objects, not internal + * iothread_create() objects. */ +IOThread *iothread_by_id(const char *id) +{ + return IOTHREAD(object_resolve_path_type(id, TYPE_IOTHREAD, NULL)); +}