From d3b12f5dec4b27ebab58fb5797cb67bacced773b Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Tue, 13 Sep 2011 10:30:52 +0200 Subject: main-loop: create main-loop.c Signed-off-by: Paolo Bonzini --- vl.c | 123 +------------------------------------------------------------------ 1 file changed, 1 insertion(+), 122 deletions(-) (limited to 'vl.c') diff --git a/vl.c b/vl.c index ef0936a..7914df7 100644 --- a/vl.c +++ b/vl.c @@ -1426,128 +1426,6 @@ void qemu_system_vmstop_request(RunState state) qemu_notify_event(); } -static GPollFD poll_fds[1024 * 2]; /* this is probably overkill */ -static int n_poll_fds; -static int max_priority; - -static void glib_select_fill(int *max_fd, fd_set *rfds, fd_set *wfds, - fd_set *xfds, struct timeval *tv) -{ - GMainContext *context = g_main_context_default(); - int i; - int timeout = 0, cur_timeout; - - g_main_context_prepare(context, &max_priority); - - n_poll_fds = g_main_context_query(context, max_priority, &timeout, - poll_fds, ARRAY_SIZE(poll_fds)); - g_assert(n_poll_fds <= ARRAY_SIZE(poll_fds)); - - for (i = 0; i < n_poll_fds; i++) { - GPollFD *p = &poll_fds[i]; - - if ((p->events & G_IO_IN)) { - FD_SET(p->fd, rfds); - *max_fd = MAX(*max_fd, p->fd); - } - if ((p->events & G_IO_OUT)) { - FD_SET(p->fd, wfds); - *max_fd = MAX(*max_fd, p->fd); - } - if ((p->events & G_IO_ERR)) { - FD_SET(p->fd, xfds); - *max_fd = MAX(*max_fd, p->fd); - } - } - - cur_timeout = (tv->tv_sec * 1000) + ((tv->tv_usec + 500) / 1000); - if (timeout >= 0 && timeout < cur_timeout) { - tv->tv_sec = timeout / 1000; - tv->tv_usec = (timeout % 1000) * 1000; - } -} - -static void glib_select_poll(fd_set *rfds, fd_set *wfds, fd_set *xfds, - bool err) -{ - GMainContext *context = g_main_context_default(); - - if (!err) { - int i; - - for (i = 0; i < n_poll_fds; i++) { - GPollFD *p = &poll_fds[i]; - - if ((p->events & G_IO_IN) && FD_ISSET(p->fd, rfds)) { - p->revents |= G_IO_IN; - } - if ((p->events & G_IO_OUT) && FD_ISSET(p->fd, wfds)) { - p->revents |= G_IO_OUT; - } - if ((p->events & G_IO_ERR) && FD_ISSET(p->fd, xfds)) { - p->revents |= G_IO_ERR; - } - } - } - - if (g_main_context_check(context, max_priority, poll_fds, n_poll_fds)) { - g_main_context_dispatch(context); - } -} - -int main_loop_wait(int nonblocking) -{ - fd_set rfds, wfds, xfds; - int ret, nfds; - struct timeval tv; - int timeout; - - if (nonblocking) - timeout = 0; - else { - timeout = qemu_calculate_timeout(); - qemu_bh_update_timeout(&timeout); - } - - os_host_main_loop_wait(&timeout); - - tv.tv_sec = timeout / 1000; - tv.tv_usec = (timeout % 1000) * 1000; - - /* poll any events */ - /* XXX: separate device handlers from system ones */ - nfds = -1; - FD_ZERO(&rfds); - FD_ZERO(&wfds); - FD_ZERO(&xfds); - - qemu_iohandler_fill(&nfds, &rfds, &wfds, &xfds); - slirp_select_fill(&nfds, &rfds, &wfds, &xfds); - glib_select_fill(&nfds, &rfds, &wfds, &xfds, &tv); - - if (timeout > 0) { - qemu_mutex_unlock_iothread(); - } - - ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv); - - if (timeout > 0) { - qemu_mutex_lock_iothread(); - } - - qemu_iohandler_poll(&rfds, &wfds, &xfds, ret); - slirp_select_poll(&rfds, &wfds, &xfds, (ret < 0)); - glib_select_poll(&rfds, &wfds, &xfds, (ret < 0)); - - qemu_run_all_timers(); - - /* Check bottom-halves last in case any of the earlier events triggered - them. */ - qemu_bh_poll(); - - return ret; -} - qemu_irq qemu_system_powerdown; static void main_loop(void) @@ -3300,6 +3178,7 @@ int main(int argc, char **argv, char **envp) configure_accelerator(); + qemu_init_cpu_loop(); if (qemu_init_main_loop()) { fprintf(stderr, "qemu_init_main_loop failed\n"); exit(1); -- cgit v1.1