diff options
| author | Alistair Francis <alistair.francis@xilinx.com> | 2017-07-06 13:15:14 -0700 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2017-07-17 15:58:37 +0100 |
| commit | 55d41b16eec5041bf94de9b687bf51a67fdf736d (patch) | |
| tree | 8b89c984f9a8803de4f67c02c5d5635cd74dbb10 | |
| parent | 4871b51b9241b10f4fd8e04bbb21577886795e25 (diff) | |
util/aio-win32: Only select on what we are actually waiting for
Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Acked-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 9307b70e9876c4e9e3c4478524a32a23a3d5dd05.1499368180.git.alistair.francis@xilinx.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
| -rw-r--r-- | util/aio-win32.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/util/aio-win32.c b/util/aio-win32.c index bca496a47a..d6d5e02f00 100644 --- a/util/aio-win32.c +++ b/util/aio-win32.c @@ -71,6 +71,7 @@ void aio_set_fd_handler(AioContext *ctx, } } else { HANDLE event; + long bitmask = 0; if (node == NULL) { /* Alloc and insert if it's not already there */ @@ -95,10 +96,16 @@ void aio_set_fd_handler(AioContext *ctx, node->io_write = io_write; node->is_external = is_external; + if (io_read) { + bitmask |= FD_READ | FD_ACCEPT | FD_CLOSE; + } + + if (io_write) { + bitmask |= FD_WRITE | FD_CONNECT; + } + event = event_notifier_get_handle(&ctx->notifier); - WSAEventSelect(node->pfd.fd, event, - FD_READ | FD_ACCEPT | FD_CLOSE | - FD_CONNECT | FD_WRITE | FD_OOB); + WSAEventSelect(node->pfd.fd, event, bitmask); } qemu_lockcnt_unlock(&ctx->list_lock); |