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bh=oNXmFK4YyLv1sjoSdTZFSAPfzmwLAVcRBp73aEfewwg=; b=E3kX8V9uujVFq5NAuvdEJHGiyhyeHdLQhBix5e3vlnP4bi8q/KJHEVBhpjvhwgiC2jWJq8 nE6sXfp5oxA6XOEKADdoA5c4oEKejbdSaI0Moqfcy/i4A3DYG3akco29a6LMgPl7unjpVm 8tinHUt2+FRnIfUB1wWDOYL4Z3XFxwE= X-MC-Unique: tTTaU49kOn2IH4foMbLXtQ-1 From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Subject: [PULL v2 12/36] ui: make gl_block use a counter Date: Tue, 21 Dec 2021 10:58:31 +0400 Message-Id: <20211221065855.142578-13-marcandre.lureau@redhat.com> In-Reply-To: <20211221065855.142578-1-marcandre.lureau@redhat.com> References: <20211221065855.142578-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=marcandre.lureau@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=marcandre.lureau@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -29 X-Spam_score: -3.0 X-Spam_bar: --- X-Spam_report: (-3.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.203, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, richard.henderson@linaro.org, =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1640071137191100001 From: Marc-Andr=C3=A9 Lureau Track multiple callers blocking requests. Signed-off-by: Marc-Andr=C3=A9 Lureau Acked-by: Gerd Hoffmann --- ui/console.c | 17 +++++++++++++---- 1 file changed, 13 insertions(+), 4 deletions(-) diff --git a/ui/console.c b/ui/console.c index 87f897e46dc4..39f7b66baf54 100644 --- a/ui/console.c +++ b/ui/console.c @@ -79,7 +79,7 @@ struct QemuConsole { DisplaySurface *surface; int dcls; DisplayChangeListener *gl; - bool gl_block; + int gl_block; int window_id; =20 /* Graphic console state. */ @@ -237,10 +237,19 @@ void graphic_hw_gl_block(QemuConsole *con, bool block) { assert(con !=3D NULL); =20 - con->gl_block =3D block; - if (con->hw_ops->gl_block) { - con->hw_ops->gl_block(con->hw, block); + if (block) { + con->gl_block++; + } else { + con->gl_block--; + } + assert(con->gl_block >=3D 0); + if (!con->hw_ops->gl_block) { + return; + } + if ((block && con->gl_block !=3D 1) || (!block && con->gl_block !=3D 0= )) { + return; } + con->hw_ops->gl_block(con->hw, block); } =20 void graphic_hw_gl_flushed(QemuConsole *con) --=20 2.34.1.8.g35151cf07204