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Fri, 25 Oct 2024 08:43:02 +0000 Received: (at 73859) by debbugs.gnu.org; 25 Oct 2024 08:42:40 +0000 Received: from localhost ([127.0.0.1]:37203 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1t4Fu3-0007hc-UX for submit@debbugs.gnu.org; Fri, 25 Oct 2024 04:42:40 -0400 Received: from m16.mail.163.com ([220.197.31.3]:37754) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1t4Fty-0007hJ-0A for 73859@debbugs.gnu.org; Fri, 25 Oct 2024 04:42:38 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:Subject:Date:Message-ID:MIME-Version: Content-Type; bh=DYoQ5j4fwGbkov/9y1DrOx3tFCMyRaHMTlgFTELjowI=; b=Kqs/EfRFo6GRLb54cyZ/gTlfsKsszg99pL//77/lY5oLF/XFhdtlMhy+vVPQH0 TKE350R6+JbNTSgZx0br0VNNGeucSSEzomOkYHsXa0WnP2333u1KfDYx6VSMu+KJ xbzc9jnyPTT8L2HwDT3al1sHjDLTM37F6pF+NPGT7KUa0= Received: from Tumashu (unknown [218.92.14.78]) by gzga-smtp-mtada-g1-2 (Coremail) with SMTP id _____wD3vaDUWRtngmkcDQ--.56331S2; Fri, 25 Oct 2024 16:41:56 +0800 (CST) From: Feng Shu Date: Fri, 25 Oct 2024 16:41:55 +0800 Message-ID: <87y12c60bw.fsf@163.com> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: text/plain X-CM-TRANSID: _____wD3vaDUWRtngmkcDQ--.56331S2 X-Coremail-Antispam: 1Uf129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7v73 VFW2AGmfu7bjvjm3AaLaJ3UbIYCTnIWIevJa73UjIFyTuYvj4RKD7-UUUUU X-Originating-IP: [218.92.14.78] X-CM-SenderInfo: 5wxpt2lkx6il2tof0z/1tbiRQWD1GcbWDEhnwAAs8 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-guix@gnu.org List-Id: Bug reports for GNU Guix List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-guix-bounces+larch=yhetil.org@gnu.org Sender: bug-guix-bounces+larch=yhetil.org@gnu.org X-Migadu-Flow: FLOW_IN X-Migadu-Country: US X-Migadu-Spam-Score: 0.06 X-Spam-Score: 0.06 X-Migadu-Queue-Id: CB654780E7 X-Migadu-Scanner: mx13.migadu.com X-TUID: ji92o4iNH7nK I have tested and found that: In lightdm-gtk-greeter, the following line run success and return no session. items = lightdm_get_sessions (); But, in lightdm, the following function in liblightdm-gobject/session.c is not called: /** * lightdm_get_sessions: * * Get the available sessions. * * Return value: (element-type LightDMSession) (transfer none): A list of #LightDMSession **/ GList * lightdm_get_sessions (void) { g_debug ("Run lightdm_get_sessions"); update_sessions (); return local_sessions; } I do not know why, seem to very confuse. --