2018-08-10 Fred Gleason <fredg@paravelsystems.com>

* Changed installation location of caed(8), ripcd(8), rdcatchd(8)
	and rdrepld(8) from '@prefix@/bin' to '@prefix@/sbin'.
	* Removed code to detach from controlling terminal after startup
	from caed(8), ripcd(8), rdcatchd(8)
	and rdrepld(8).
	* Removed code to manage dropbox instances from rdcatchd(8).
	* Removed code to start service daemons automatically from
	user modules.
	* Added rdservice(8).

rdservice/process.cpp

@@ -0,0 +1,102 @@
+// process.cpp
+//
+// Process container for the Rivendell Services Manager
+//
+//   (C) Copyright 2018 Fred Gleason <fredg@paravelsystems.com>
+//
+//   This program is free software; you can redistribute it and/or modify
+//   it under the terms of the GNU General Public License version 2 as
+//   published by the Free Software Foundation.
+//
+//   This program is distributed in the hope that it will be useful,
+//   but WITHOUT ANY WARRANTY; without even the implied warranty of
+//   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//   GNU General Public License for more details.
+//
+//   You should have received a copy of the GNU General Public
+//   License along with this program; if not, write to the Free Software
+//   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+//
+
+#include <qfile.h>
+
+#include "process.h"
+
+Process::Process(int id,QObject *parent)
+  : QObject(parent)
+{
+  p_id=id;
+  p_process=new QProcess(this);
+  connect(p_process,SIGNAL(started()),this,SLOT(startedData()));
+  connect(p_process,SIGNAL(finished(int,QProcess::ExitStatus)),
+	  this,SLOT(finishedData(int,QProcess::ExitStatus)));
+}
+
+
+Process::~Process()
+{
+  delete p_process;
+}
+
+
+QProcess *Process::process() const
+{
+  return p_process;
+}
+
+
+QString Process::program() const
+{
+  return p_program;
+}
+
+
+QStringList Process::arguments() const
+{
+  return p_arguments;
+}
+
+
+void Process::start(const QString &program,const QStringList &args)
+{
+  p_program=program;
+  p_arguments=args;
+
+  QFile file(p_program);
+  if(!file.exists()) {
+    p_error_text=tr("no such program")+" \""+p_program+"\"";
+  }
+
+  p_process->start(program,args);
+}
+
+
+QString Process::errorText() const
+{
+  return p_error_text;
+}
+
+
+void Process::startedData()
+{
+  emit started(p_id);
+}
+
+
+void Process::finishedData(int exit_code,QProcess::ExitStatus status)
+{
+  p_error_text=tr("ok");
+
+  if(status==QProcess::CrashExit) {
+    p_error_text=tr("process crashed");
+  }
+  else {
+    if(exit_code!=0) {
+      p_error_text=tr("process returned exit code")+
+	QString().sprintf(" %d ",exit_code)+
+	"["+p_process->readAllStandardError()+"]";
+    }
+  }
+
+  emit finished(p_id);
+}