Commit 55d41b16 authored by Alistair Francis's avatar Alistair Francis Committed by Stefan Hajnoczi
Browse files

util/aio-win32: Only select on what we are actually waiting for 



Signed-off-by: default avatarAlistair Francis <alistair.francis@xilinx.com>
Acked-by: default avatarEdgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: default avatarPhilippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 9307b70e9876c4e9e3c4478524a32a23a3d5dd05.1499368180.git.alistair.francis@xilinx.com
Signed-off-by: default avatarStefan Hajnoczi <stefanha@redhat.com>
parent 4871b51b

util/aio-win32.c

+10 −3
Original line number Diff line number Diff line
@@ -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);