From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933579AbaCTJpx (ORCPT ); Thu, 20 Mar 2014 05:45:53 -0400 Received: from e28smtp08.in.ibm.com ([122.248.162.8]:41411 "EHLO e28smtp08.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755740AbaCTJmb (ORCPT ); Thu, 20 Mar 2014 05:42:31 -0400 Subject: [PATCH 23/33] Handling SIG TERM of the daemon To: linux-kernel@vger.kernel.org From: Janani Venkataraman Cc: amwang@redhat.com, procps@freelists.org, rdunlap@xenotime.net, james.hogan@imgtec.com, aravinda@linux.vnet.ibm.com, hch@lst.de, mhiramat@redhat.com, jeremy.fitzhardinge@citrix.com, xemul@parallels.com, d.hatayama@jp.fujitsu.com, coreutils@gnu.org, kosaki.motohiro@jp.fujitsu.com, adobriyan@gmail.com, util-linux@vger.kernel.org, tarundsk@linux.vnet.ibm.com, vapier@gentoo.org, roland@hack.frob.com, ananth@linux.vnet.ibm.com, gorcunov@openvz.org, avagin@openvz.org, oleg@redhat.com, eparis@redhat.com, suzuki@linux.vnet.ibm.com, andi@firstfloor.org, tj@kernel.org, akpm@linux-foundation.org, torvalds@linux-foundation.org Date: Thu, 20 Mar 2014 15:12:10 +0530 Message-ID: <20140320094210.14878.75209.stgit@localhost.localdomain> In-Reply-To: <20140320093040.14878.903.stgit@localhost.localdomain> References: <20140320093040.14878.903.stgit@localhost.localdomain> User-Agent: StGit/0.16 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 14032009-2000-0000-0000-00001044DD15 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org We handle SIGTERM on the daemon, by closing the socket opened for that connection. Signed-off-by: Janani Venkataraman --- src/coredump.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/src/coredump.c b/src/coredump.c index 72ba8d8..c0da457 100755 --- a/src/coredump.c +++ b/src/coredump.c @@ -562,6 +562,17 @@ int handle_request(void) return 0; } +/* Handles Signals to the Daemon */ +void sig_daemon_handler(int sig) +{ + close(socket_fd); + unlink(SOCKET_PATH); + + gencore_log("[%d]: Cleanup done and daemon exiting.\n", pid_log); + + fclose(fp_log); +} + /* Daemon for self dump */ int daemon_dump(void) { @@ -602,6 +613,11 @@ int daemon_dump(void) /* SIGCHILD - Signal handler */ signal(SIGCHLD, sigchild_handler); + /* Terminate Daemon - signal handler */ + signal(SIGTERM, sig_daemon_handler); + signal(SIGSEGV, sig_daemon_handler); + signal(SIGPIPE, sig_daemon_handler); + while (1) { /* Blocks on request */