39     QLIST_ENTRY(AioHandler) node;
44     AioHandler *node;  in find_aio_handler()  local
46     QLIST_FOREACH(node, &aio_handlers, node) {  in find_aio_handler()
47         if (node->fd == fd)  in find_aio_handler()
48             if (!node->deleted)  in find_aio_handler()
49                 return node;  in find_aio_handler()
62     AioHandler *node;  in qemu_aio_set_fd_handler()  local
64     node = find_aio_handler(fd);  in qemu_aio_set_fd_handler()
68         if (node) {  in qemu_aio_set_fd_handler()
71                 node->deleted = 1;  in qemu_aio_set_fd_handler()
77                 QLIST_REMOVE(node, node);  in qemu_aio_set_fd_handler()
78                 qemu_free(node);  in qemu_aio_set_fd_handler()
82         if (node == NULL) {  in qemu_aio_set_fd_handler()
84             node = qemu_mallocz(sizeof(AioHandler));  in qemu_aio_set_fd_handler()
85             node->fd = fd;  in qemu_aio_set_fd_handler()
86             QLIST_INSERT_HEAD(&aio_handlers, node, node);  in qemu_aio_set_fd_handler()
89         node->io_read = io_read;  in qemu_aio_set_fd_handler()
90         node->io_write = io_write;  in qemu_aio_set_fd_handler()
91         node->io_flush = io_flush;  in qemu_aio_set_fd_handler()
92         node->io_process_queue = io_process_queue;  in qemu_aio_set_fd_handler()
93         node->opaque = opaque;  in qemu_aio_set_fd_handler()
103     AioHandler *node;  in qemu_aio_flush()  local
115         QLIST_FOREACH(node, &aio_handlers, node) {  in qemu_aio_flush()
116             if (node->io_flush) {  in qemu_aio_flush()
117                 ret |= node->io_flush(node->opaque);  in qemu_aio_flush()
125     AioHandler *node;  in qemu_aio_process_queue()  local
130     QLIST_FOREACH(node, &aio_handlers, node) {  in qemu_aio_process_queue()
131         if (node->io_process_queue) {  in qemu_aio_process_queue()
132             if (node->io_process_queue(node->opaque)) {  in qemu_aio_process_queue()
158         AioHandler *node;  in qemu_aio_wait()  local
168         QLIST_FOREACH(node, &aio_handlers, node) {  in qemu_aio_wait()
173             if (node->io_flush && node->io_flush(node->opaque) == 0)  in qemu_aio_wait()
176             if (!node->deleted && node->io_read) {  in qemu_aio_wait()
177                 FD_SET(node->fd, &rdfds);  in qemu_aio_wait()
178                 max_fd = MAX(max_fd, node->fd + 1);  in qemu_aio_wait()
180             if (!node->deleted && node->io_write) {  in qemu_aio_wait()
181                 FD_SET(node->fd, &wrfds);  in qemu_aio_wait()
182                 max_fd = MAX(max_fd, node->fd + 1);  in qemu_aio_wait()
203             node = QLIST_FIRST(&aio_handlers);  in qemu_aio_wait()
204             while (node) {  in qemu_aio_wait()
207                 if (!node->deleted &&  in qemu_aio_wait()
208                     FD_ISSET(node->fd, &rdfds) &&  in qemu_aio_wait()
209                     node->io_read) {  in qemu_aio_wait()
210                     node->io_read(node->opaque);  in qemu_aio_wait()
212                 if (!node->deleted &&  in qemu_aio_wait()
213                     FD_ISSET(node->fd, &wrfds) &&  in qemu_aio_wait()
214                     node->io_write) {  in qemu_aio_wait()
215                     node->io_write(node->opaque);  in qemu_aio_wait()
218                 tmp = node;  in qemu_aio_wait()
219                 node = QLIST_NEXT(node, node);  in qemu_aio_wait()
222                     QLIST_REMOVE(tmp, node);  in qemu_aio_wait()