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| author | Stefan Hajnoczi <stefanha@redhat.com> | 2016-12-01 19:26:40 +0000 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2017-01-03 16:38:47 +0000 |
| commit | 721671ade77f4046b45893fbb7864ca84b9504cd (patch) | |
| tree | 46a5e927a01342c5818e6ba99f137a6ad6fbb9f8 /aio-win32.c | |
| parent | 0891ee111217101bce683e30ed9f08cf0cfcffd7 (diff) | |
| download | focaccia-qemu-721671ade77f4046b45893fbb7864ca84b9504cd.tar.gz focaccia-qemu-721671ade77f4046b45893fbb7864ca84b9504cd.zip | |
aio: add flag to skip fds to aio_dispatch()
Polling mode will not call ppoll(2)/epoll_wait(2). Therefore we know there are no fds ready and should avoid looping over fd handlers in aio_dispatch(). Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 20161201192652.9509-2-stefanha@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'aio-win32.c')
| -rw-r--r-- | aio-win32.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/aio-win32.c b/aio-win32.c index c8c249e260..3ef8ea4caa 100644 --- a/aio-win32.c +++ b/aio-win32.c @@ -271,12 +271,14 @@ static bool aio_dispatch_handlers(AioContext *ctx, HANDLE event) return progress; } -bool aio_dispatch(AioContext *ctx) +bool aio_dispatch(AioContext *ctx, bool dispatch_fds) { bool progress; progress = aio_bh_poll(ctx); - progress |= aio_dispatch_handlers(ctx, INVALID_HANDLE_VALUE); + if (dispatch_fds) { + progress |= aio_dispatch_handlers(ctx, INVALID_HANDLE_VALUE); + } progress |= timerlistgroup_run_timers(&ctx->tlg); return progress; } |