diff options
Diffstat (limited to 'util/aio-win32.c')
| -rw-r--r-- | util/aio-win32.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/util/aio-win32.c b/util/aio-win32.c index e7b1d649e9..168717b51b 100644 --- a/util/aio-win32.c +++ b/util/aio-win32.c @@ -18,6 +18,7 @@ #include "qemu/osdep.h" #include "qemu-common.h" #include "block/block.h" +#include "qemu/main-loop.h" #include "qemu/queue.h" #include "qemu/sockets.h" #include "qapi/error.h" @@ -333,8 +334,13 @@ bool aio_poll(AioContext *ctx, bool blocking) * There cannot be two concurrent aio_poll calls for the same AioContext (or * an aio_poll concurrent with a GSource prepare/check/dispatch callback). * We rely on this below to avoid slow locked accesses to ctx->notify_me. + * + * aio_poll() may only be called in the AioContext's thread. iohandler_ctx + * is special in that it runs in the main thread, but that thread's context + * is qemu_aio_context. */ - assert(in_aio_context_home_thread(ctx)); + assert(in_aio_context_home_thread(ctx == iohandler_get_aio_context() ? + qemu_get_aio_context() : ctx)); progress = false; /* aio_notify can avoid the expensive event_notifier_set if |