From patchwork Thu Nov 1 13:03:56 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gerd Hoffmann X-Patchwork-Id: 196190 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 5869D2C0348 for ; Fri, 2 Nov 2012 00:04:50 +1100 (EST) Received: from localhost ([::1]:49750 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TTuRy-0003Sw-K6 for incoming@patchwork.ozlabs.org; Thu, 01 Nov 2012 09:04:46 -0400 Received: from eggs.gnu.org ([208.118.235.92]:45803) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TTuRb-0003S9-N1 for qemu-devel@nongnu.org; Thu, 01 Nov 2012 09:04:29 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TTuRZ-0005nd-G6 for qemu-devel@nongnu.org; Thu, 01 Nov 2012 09:04:23 -0400 Received: from mx1.redhat.com ([209.132.183.28]:29289) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TTuRZ-0005m3-7Z for qemu-devel@nongnu.org; Thu, 01 Nov 2012 09:04:21 -0400 Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id qA1D4K6i026195 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Thu, 1 Nov 2012 09:04:20 -0400 Received: from rincewind.home.kraxel.org (ovpn-116-42.ams2.redhat.com [10.36.116.42]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id qA1D4I1G030105; Thu, 1 Nov 2012 09:04:19 -0400 Received: by rincewind.home.kraxel.org (Postfix, from userid 500) id 3C4DF42670; Thu, 1 Nov 2012 14:04:17 +0100 (CET) From: Gerd Hoffmann To: qemu-devel@nongnu.org Date: Thu, 1 Nov 2012 14:03:56 +0100 Message-Id: <1351775057-3938-2-git-send-email-kraxel@redhat.com> In-Reply-To: <1351775057-3938-1-git-send-email-kraxel@redhat.com> References: <1351775057-3938-1-git-send-email-kraxel@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 209.132.183.28 Cc: Gerd Hoffmann Subject: [Qemu-devel] [PATCH 01/22] console: QLIST-ify display change listeners. X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Signed-off-by: Gerd Hoffmann --- console.h | 72 +++++++++++++++++++++++++++++++---------------------------- hw/xenfb.c | 2 +- vl.c | 9 ++----- 3 files changed, 42 insertions(+), 41 deletions(-) diff --git a/console.h b/console.h index 6099d8d..4239eb3 100644 --- a/console.h +++ b/console.h @@ -164,7 +164,7 @@ struct DisplayChangeListener { int w, int h, uint32_t c); void (*dpy_text_cursor)(struct DisplayState *s, int x, int y); - struct DisplayChangeListener *next; + QLIST_ENTRY(DisplayChangeListener) next; }; struct DisplayAllocator { @@ -179,7 +179,7 @@ struct DisplayState { struct QEMUTimer *gui_timer; struct DisplayAllocator* allocator; - struct DisplayChangeListener* listeners; + QLIST_HEAD(, DisplayChangeListener) listeners; void (*mouse_set)(int x, int y, int on); void (*cursor_define)(QEMUCursor *cursor); @@ -231,72 +231,76 @@ static inline int is_buffer_shared(DisplaySurface *surface) static inline void register_displaychangelistener(DisplayState *ds, DisplayChangeListener *dcl) { - dcl->next = ds->listeners; - ds->listeners = dcl; + QLIST_INSERT_HEAD(&ds->listeners, dcl, next); } static inline void dpy_update(DisplayState *s, int x, int y, int w, int h) { - struct DisplayChangeListener *dcl = s->listeners; - while (dcl != NULL) { + struct DisplayChangeListener *dcl; + QLIST_FOREACH(dcl, &s->listeners, next) { dcl->dpy_update(s, x, y, w, h); - dcl = dcl->next; } } static inline void dpy_resize(DisplayState *s) { - struct DisplayChangeListener *dcl = s->listeners; - while (dcl != NULL) { + struct DisplayChangeListener *dcl; + QLIST_FOREACH(dcl, &s->listeners, next) { dcl->dpy_resize(s); - dcl = dcl->next; } } static inline void dpy_setdata(DisplayState *s) { - struct DisplayChangeListener *dcl = s->listeners; - while (dcl != NULL) { - if (dcl->dpy_setdata) dcl->dpy_setdata(s); - dcl = dcl->next; + struct DisplayChangeListener *dcl; + QLIST_FOREACH(dcl, &s->listeners, next) { + if (dcl->dpy_setdata) { + dcl->dpy_setdata(s); + } } } static inline void dpy_refresh(DisplayState *s) { - struct DisplayChangeListener *dcl = s->listeners; - while (dcl != NULL) { - if (dcl->dpy_refresh) dcl->dpy_refresh(s); - dcl = dcl->next; + struct DisplayChangeListener *dcl; + QLIST_FOREACH(dcl, &s->listeners, next) { + if (dcl->dpy_refresh) { + dcl->dpy_refresh(s); + } } } static inline void dpy_copy(struct DisplayState *s, int src_x, int src_y, - int dst_x, int dst_y, int w, int h) { - struct DisplayChangeListener *dcl = s->listeners; - while (dcl != NULL) { - if (dcl->dpy_copy) + int dst_x, int dst_y, int w, int h) +{ + struct DisplayChangeListener *dcl; + QLIST_FOREACH(dcl, &s->listeners, next) { + if (dcl->dpy_copy) { dcl->dpy_copy(s, src_x, src_y, dst_x, dst_y, w, h); - else /* TODO */ + } else { /* TODO */ dcl->dpy_update(s, dst_x, dst_y, w, h); - dcl = dcl->next; + } } } static inline void dpy_fill(struct DisplayState *s, int x, int y, - int w, int h, uint32_t c) { - struct DisplayChangeListener *dcl = s->listeners; - while (dcl != NULL) { - if (dcl->dpy_fill) dcl->dpy_fill(s, x, y, w, h, c); - dcl = dcl->next; + int w, int h, uint32_t c) +{ + struct DisplayChangeListener *dcl; + QLIST_FOREACH(dcl, &s->listeners, next) { + if (dcl->dpy_fill) { + dcl->dpy_fill(s, x, y, w, h, c); + } } } -static inline void dpy_cursor(struct DisplayState *s, int x, int y) { - struct DisplayChangeListener *dcl = s->listeners; - while (dcl != NULL) { - if (dcl->dpy_text_cursor) dcl->dpy_text_cursor(s, x, y); - dcl = dcl->next; +static inline void dpy_cursor(struct DisplayState *s, int x, int y) +{ + struct DisplayChangeListener *dcl; + QLIST_FOREACH(dcl, &s->listeners, next) { + if (dcl->dpy_text_cursor) { + dcl->dpy_text_cursor(s, x, y); + } } } diff --git a/hw/xenfb.c b/hw/xenfb.c index 338800a..ef24c33 100644 --- a/hw/xenfb.c +++ b/hw/xenfb.c @@ -717,7 +717,7 @@ static void xenfb_update(void *opaque) if (xenfb_queue_full(xenfb)) return; - for (l = xenfb->c.ds->listeners; l != NULL; l = l->next) { + QLIST_FOREACH(l, &xenfb->c.ds->listeners, next) { if (l->idle) continue; idle = 0; diff --git a/vl.c b/vl.c index 5513d15..427e8a2 100644 --- a/vl.c +++ b/vl.c @@ -1359,15 +1359,14 @@ static void gui_update(void *opaque) { uint64_t interval = GUI_REFRESH_INTERVAL; DisplayState *ds = opaque; - DisplayChangeListener *dcl = ds->listeners; + DisplayChangeListener *dcl; dpy_refresh(ds); - while (dcl != NULL) { + QLIST_FOREACH(dcl, &ds->listeners, next) { if (dcl->gui_timer_interval && dcl->gui_timer_interval < interval) interval = dcl->gui_timer_interval; - dcl = dcl->next; } qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock)); } @@ -3846,14 +3845,12 @@ int main(int argc, char **argv, char **envp) /* display setup */ dpy_resize(ds); - dcl = ds->listeners; - while (dcl != NULL) { + QLIST_FOREACH(dcl, &ds->listeners, next) { if (dcl->dpy_refresh != NULL) { ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds); qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock)); break; } - dcl = dcl->next; } text_consoles_set_display(ds);