This is an automated email from the git hooks/post-receive script. x2go pushed a commit to branch bugfix/osx in repository x2goclient. commit 1b44c0c098e0021ba8e759c8b363bf0c160b95cf Author: Mihai Moldovan <ionic@ionic.de> Date: Sat Mar 14 23:57:49 2015 +0100 unixhelper.{cpp,h}: implement cleanup program for process group. --- debian/changelog | 1 + src/unixhelper.cpp | 38 ++++++++++++++++++++++++++++++++++++++ src/unixhelper.h | 9 +++++++++ 3 files changed, 48 insertions(+) diff --git a/debian/changelog b/debian/changelog index c30a426..58c744f 100644 --- a/debian/changelog +++ b/debian/changelog @@ -49,6 +49,7 @@ x2goclient (4.0.4.1-0x2go1) UNRELEASED; urgency=low - onmainwindow.cpp: fix compile error - use QString.toAscii () to get a valid C string representation for tr (). - {unixhelper.{cpp,h},x2goclient.pro{,.maemo}}: add unixhelper stub. + - unixhelper.{cpp,h}: implement cleanup program for process group. -- X2Go Release Manager <git-admin@x2go.org> Tue, 26 May 2015 21:42:09 +0200 diff --git a/src/unixhelper.cpp b/src/unixhelper.cpp index 221bdb2..545c2c1 100644 --- a/src/unixhelper.cpp +++ b/src/unixhelper.cpp @@ -19,5 +19,43 @@ #ifdef Q_OS_UNIX +#include <csignal> +#include <unistd.h> +#include <iostream> +#include <cstring> +#include <cerrno> +#include <cstdlib> + +#include "unixhelper.h" + +void unixhelper::kill_pgroup (int signal) { + if (SIGHUP == signal) { + /* Try to kill via SIGTERM first. */ + if (0 != killpg (getpgrp (), SIGTERM)) { + std::cerr << "WARNING: unable to send SIGTERM to process group: " << std::strerror (errno) << std::endl; + } + + /* Grant a grace period of (at least) 5 seconds. */ + sleep (5); + + /* Don't handle any errors here, because we die anyway. */ + killpg (getpgrp (), SIGKILL); + } +} + + +int unixhelper::unix_cleanup () { + if (SIG_ERR == std::signal (SIGTERM, SIG_IGN)) { + std::cerr << "Unable to ignore SIGTERM: " << std::strerror (errno) << std::endl; + std::exit (1); + } + + std::signal (SIGHUP, kill_pgroup); + + /* Sleep forever... at least one second in each run. */ + for (;;) { + sleep (1); + } +} #endif /* defined (Q_OS_UNIX) */ diff --git a/src/unixhelper.h b/src/unixhelper.h index 31d983e..fab611e 100644 --- a/src/unixhelper.h +++ b/src/unixhelper.h @@ -22,7 +22,16 @@ #ifndef UNIXHELPER_H #define UNIXHELPER_H +class unixhelper { + public: + unixhelper () {} + ~unixhelper () {} + unix_cleanup (); + private: + unixhelper (const unixhelper &other); + void kill_pgroup (int signal); +}; #endif /* !defined (UNIXHELPER_H) */ -- Alioth's /srv/git/code.x2go.org/x2goclient.git//..//_hooks_/post-receive-email on /srv/git/code.x2go.org/x2goclient.git