diff options
Diffstat (limited to 'tdecore/kprocctrl.h')
-rw-r--r-- | tdecore/kprocctrl.h | 151 |
1 files changed, 1 insertions, 150 deletions
diff --git a/tdecore/kprocctrl.h b/tdecore/kprocctrl.h index ddd59179b..13b6d585b 100644 --- a/tdecore/kprocctrl.h +++ b/tdecore/kprocctrl.h @@ -1,150 +1 @@ -/* This file is part of the KDE libraries - Copyright (C) 1997 Christian Czezakte (e9025461@student.tuwien.ac.at) - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public - License as published by the Free Software Foundation; either - version 2 of the License, or (at your option) any later version. - - This library 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 - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public License - along with this library; see the file COPYING.LIB. If not, write to - the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, - Boston, MA 02110-1301, USA. -*/ - -#ifndef __KPROCCTRL_H__ -#define __KPROCCTRL_H__ - -#include <tqvaluelist.h> - -#include "tdeprocess.h" - -class TQSocketNotifier; - -/** - * @short Used internally by TDEProcess - * @internal - * @author Christian Czezatke <e9025461@student.tuwien.ac.at> - * - * A class for internal use by TDEProcess only. -- Exactly one instance - * of this class is created by TDEApplication. - * - * This class takes care of the actual (UN*X) signal handling. - */ -class TDECORE_EXPORT TDEProcessController : public TQObject -{ - TQ_OBJECT - -public: - /** - * Create an instance if none exists yet. - * Called by TDEApplication::TDEApplication() - */ - static void ref(); - - /** - * Destroy the instance if one exists and it is not referenced any more. - * Called by TDEApplication::~TDEApplication() - */ - static void deref(); - - /** - * Only a single instance of this class is allowed at a time, - * and this static variable is used to track the one instance. - */ - static TDEProcessController *theTDEProcessController; // kde4: rename: instance - - /** - * Automatically called upon SIGCHLD. Never call it directly. - * If your application (or some library it uses) redirects SIGCHLD, - * the new signal handler (and only it) should call the old handler - * returned by sigaction(). - * @internal - */ - static void theSigCHLDHandler(int signal); // KDE4: private - - /** - * Wait for any process to exit and handle their exit without - * starting an event loop. - * This function may cause TDEProcess to emit any of its signals. - * - * @param timeout the timeout in seconds. -1 means no timeout. - * @return true if a process exited, false - * if no process exited within @p timeout seconds. - * @since 3.1 - */ - bool waitForProcessExit(int timeout); - - /** - * Call this function to defer processing of the data that became available - * on notifierFd(). - * @since 3.2 - */ - void unscheduleCheck(); - - /** - * This function @em must be called at some point after calling - * unscheduleCheck(). - * @since 3.2 - */ - void rescheduleCheck(); - - /* - * Obtain the file descriptor TDEProcessController uses to get notified - * about process exits. select() or poll() on it if you create a custom - * event loop that needs to act upon SIGCHLD. - * @return the file descriptor of the reading end of the notification pipe - * @since 3.2 - */ - int notifierFd() const; - - /** - * @internal - */ - void addTDEProcess( TDEProcess* ); - /** - * @internal - */ - void removeTDEProcess( TDEProcess* ); - /** - * @internal - */ - void addProcess( int pid ); - -private slots: - void slotDoHousekeeping(); - -private: - friend class I_just_love_gcc; - - int fd[2]; - bool needcheck; - TQSocketNotifier *notifier; - TQValueList<TDEProcess*> kProcessList; - TQValueList<int> unixProcessList; - - static void setupHandlers(); - static void resetHandlers(); - static struct sigaction oldChildHandlerData; - static bool handlerSet; - - static int refCount; - - // Disallow instantiation - TDEProcessController(); - ~TDEProcessController(); - - // Disallow assignment and copy-construction - TDEProcessController( const TDEProcessController& ); - TDEProcessController& operator= ( const TDEProcessController& ); -}; - - - -#endif - +#include "tdeprocctrl.h" |