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| author | Stefan Hajnoczi <stefanha@redhat.com> | 2013-02-20 11:28:33 +0100 |
|---|---|---|
| committer | Anthony Liguori <aliguori@us.ibm.com> | 2013-02-21 16:17:31 -0600 |
| commit | b5a01a70ad49b518c2c4b0f0a37f5435f01ce716 (patch) | |
| tree | 91012d82c55bd029625b58b26778b914d21afed3 /aio-posix.c | |
| parent | 6b5f876252b7aeec43e319afdf17705f512be2bc (diff) | |
| download | qemu-b5a01a70ad49b518c2c4b0f0a37f5435f01ce716.tar.gz qemu-b5a01a70ad49b518c2c4b0f0a37f5435f01ce716.tar.bz2 qemu-b5a01a70ad49b518c2c4b0f0a37f5435f01ce716.zip | |
aio: support G_IO_HUP and G_IO_ERR
aio-posix.c could not take advantage of G_IO_HUP and G_IO_ERR because
select(2) does not have equivalent events. Now that g_poll(3) is used
we can support G_IO_HUP and G_IO_ERR.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Message-id: 1361356113-11049-11-git-send-email-stefanha@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'aio-posix.c')
| -rw-r--r-- | aio-posix.c | 12 |
1 files changed, 2 insertions, 10 deletions
diff --git a/aio-posix.c b/aio-posix.c index d755e16ee8..b68eccd40c 100644 --- a/aio-posix.c +++ b/aio-posix.c @@ -88,8 +88,8 @@ void aio_set_fd_handler(AioContext *ctx, node->opaque = opaque; node->pollfds_idx = -1; - node->pfd.events = (io_read ? G_IO_IN | G_IO_HUP : 0); - node->pfd.events |= (io_write ? G_IO_OUT : 0); + node->pfd.events = (io_read ? G_IO_IN | G_IO_HUP | G_IO_ERR : 0); + node->pfd.events |= (io_write ? G_IO_OUT | G_IO_ERR : 0); } aio_notify(ctx); @@ -112,13 +112,6 @@ bool aio_pending(AioContext *ctx) QLIST_FOREACH(node, &ctx->aio_handlers, node) { int revents; - /* - * FIXME: right now we cannot get G_IO_HUP and G_IO_ERR because - * main-loop.c is still select based (due to the slirp legacy). - * If main-loop.c ever switches to poll, G_IO_ERR should be - * tested too. Dispatching G_IO_ERR to both handlers should be - * okay, since handlers need to be ready for spurious wakeups. - */ revents = node->pfd.revents & node->pfd.events; if (revents & (G_IO_IN | G_IO_HUP | G_IO_ERR) && node->io_read) { return true; @@ -150,7 +143,6 @@ static bool aio_dispatch(AioContext *ctx) revents = node->pfd.revents & node->pfd.events; node->pfd.revents = 0; - /* See comment in aio_pending. */ if (!node->deleted && (revents & (G_IO_IN | G_IO_HUP | G_IO_ERR)) && node->io_read) { |