summaryrefslogtreecommitdiff
path: root/libopie/oprocess.h
authorsandman <sandman>2002-12-17 19:12:05 (UTC)
committer sandman <sandman>2002-12-17 19:12:05 (UTC)
commitb6a03145553d7f536b04fc3355718cfdd72c590d (patch) (unidiff)
treecfadab49e69801a2000001f80d57ec081b2c5ea4 /libopie/oprocess.h
parent6bbe59222c6b439f2016d0a36a111f17d338d120 (diff)
downloadopie-b6a03145553d7f536b04fc3355718cfdd72c590d.zip
opie-b6a03145553d7f536b04fc3355718cfdd72c590d.tar.gz
opie-b6a03145553d7f536b04fc3355718cfdd72c590d.tar.bz2
- removed a the obsolete KShellProcess class
- added a few methods to OProcess to make it easier to port programs using QProcess
Diffstat (limited to 'libopie/oprocess.h') (more/less context) (ignore whitespace changes)
-rw-r--r--libopie/oprocess.h72
1 files changed, 7 insertions, 65 deletions
diff --git a/libopie/oprocess.h b/libopie/oprocess.h
index fd726b4..bf5fe0e 100644
--- a/libopie/oprocess.h
+++ b/libopie/oprocess.h
@@ -158,65 +158,67 @@ public:
158 * communication with stdout as well as with stdin, you would 158 * communication with stdout as well as with stdin, you would
159 * specify @p Stdin @p | @p Stdout 159 * specify @p Stdin @p | @p Stdout
160 * 160 *
161 * If @p NoRead is specified in conjunction with @p Stdout, 161 * If @p NoRead is specified in conjunction with @p Stdout,
162 * no data is actually read from @p Stdout but only 162 * no data is actually read from @p Stdout but only
163 * the signal @ref childOutput(int fd) is emitted. 163 * the signal @ref childOutput(int fd) is emitted.
164 */ 164 */
165 enum Communication { NoCommunication = 0, Stdin = 1, Stdout = 2, Stderr = 4, 165 enum Communication { NoCommunication = 0, Stdin = 1, Stdout = 2, Stderr = 4,
166 AllOutput = 6, All = 7, 166 AllOutput = 6, All = 7,
167 NoRead }; 167 NoRead };
168 168
169 /** 169 /**
170 * Run-modes for a child process. 170 * Run-modes for a child process.
171 */ 171 */
172 enum RunMode { 172 enum RunMode {
173 /** 173 /**
174 * The application does not receive notifications from the subprocess when 174 * The application does not receive notifications from the subprocess when
175 * it is finished or aborted. 175 * it is finished or aborted.
176 */ 176 */
177 DontCare, 177 DontCare,
178 /** 178 /**
179 * The application is notified when the subprocess dies. 179 * The application is notified when the subprocess dies.
180 */ 180 */
181 NotifyOnExit, 181 NotifyOnExit,
182 /** 182 /**
183 * The application is suspended until the started process is finished. 183 * The application is suspended until the started process is finished.
184 */ 184 */
185 Block }; 185 Block };
186 186
187 /** 187 /**
188 * Constructor 188 * Constructor
189 */ 189 */
190 OProcess(); 190 OProcess(QObject *parent = 0, const char *name = 0);
191 OProcess(const QString &arg0, QObject *parent = 0, const char *name = 0);
192 OProcess(const QStringList &args, QObject *parent = 0, const char *name = 0);
191 193
192 /** 194 /**
193 *Destructor: 195 *Destructor:
194 * 196 *
195 * If the process is running when the destructor for this class 197 * If the process is running when the destructor for this class
196 * is called, the child process is killed with a SIGKILL, but 198 * is called, the child process is killed with a SIGKILL, but
197 * only if the run mode is not of type @p DontCare. 199 * only if the run mode is not of type @p DontCare.
198 * Processes started as @p DontCare keep running anyway. 200 * Processes started as @p DontCare keep running anyway.
199 */ 201 */
200 virtual ~OProcess(); 202 virtual ~OProcess();
201 203
202 /** 204 /**
203 @deprecated 205 @deprecated
204 206
205 The use of this function is now deprecated. -- Please use the 207 The use of this function is now deprecated. -- Please use the
206 "operator<<" instead of "setExecutable". 208 "operator<<" instead of "setExecutable".
207 209
208 Sets the executable to be started with this OProcess object. 210 Sets the executable to be started with this OProcess object.
209 Returns false if the process is currently running (in that 211 Returns false if the process is currently running (in that
210 case the executable remains unchanged.) 212 case the executable remains unchanged.)
211 213
212 @see operator<< 214 @see operator<<
213 215
214 */ 216 */
215 bool setExecutable(const QString& proc); 217 bool setExecutable(const QString& proc);
216 218
217 219
218 /** 220 /**
219 * Sets the executable and the command line argument list for this process. 221 * Sets the executable and the command line argument list for this process.
220 * 222 *
221 * For example, doing an "ls -l /usr/local/bin" can be achieved by: 223 * For example, doing an "ls -l /usr/local/bin" can be achieved by:
222 * <pre> 224 * <pre>
@@ -331,64 +333,66 @@ public:
331 * this function because if the process did not exit normally, 333 * this function because if the process did not exit normally,
332 * it does not have a valid exit status. 334 * it does not have a valid exit status.
333 */ 335 */
334 int exitStatus() const; 336 int exitStatus() const;
335 337
336 338
337 /** 339 /**
338 * Transmit data to the child process's stdin. 340 * Transmit data to the child process's stdin.
339 * 341 *
340 * OProcess::writeStdin may return false in the following cases: 342 * OProcess::writeStdin may return false in the following cases:
341 * 343 *
342 * @li The process is not currently running. 344 * @li The process is not currently running.
343 * 345 *
344 * @li Communication to stdin has not been requested in the @ref start() call. 346 * @li Communication to stdin has not been requested in the @ref start() call.
345 * 347 *
346 * @li Transmission of data to the child process by a previous call to 348 * @li Transmission of data to the child process by a previous call to
347 * @ref writeStdin() is still in progress. 349 * @ref writeStdin() is still in progress.
348 * 350 *
349 * Please note that the data is sent to the client asynchronously, 351 * Please note that the data is sent to the client asynchronously,
350 * so when this function returns, the data might not have been 352 * so when this function returns, the data might not have been
351 * processed by the child process. 353 * processed by the child process.
352 * 354 *
353 * If all the data has been sent to the client, the signal 355 * If all the data has been sent to the client, the signal
354 * @ref wroteStdin() will be emitted. 356 * @ref wroteStdin() will be emitted.
355 * 357 *
356 * Please note that you must not free "buffer" or call @ref writeStdin() 358 * Please note that you must not free "buffer" or call @ref writeStdin()
357 * again until either a @ref wroteStdin() signal indicates that the 359 * again until either a @ref wroteStdin() signal indicates that the
358 * data has been sent or a @ref processHasExited() signal shows that 360 * data has been sent or a @ref processHasExited() signal shows that
359 * the child process is no longer alive... 361 * the child process is no longer alive...
360 **/ 362 **/
361 bool writeStdin(const char *buffer, int buflen); 363 bool writeStdin(const char *buffer, int buflen);
362 364
365 void flushStdin();
366
363 /** 367 /**
364 * This causes the stdin file descriptor of the child process to be 368 * This causes the stdin file descriptor of the child process to be
365 * closed indicating an "EOF" to the child. 369 * closed indicating an "EOF" to the child.
366 * 370 *
367 * @return @p false if no communication to the process's stdin 371 * @return @p false if no communication to the process's stdin
368 * had been specified in the call to @ref start(). 372 * had been specified in the call to @ref start().
369 */ 373 */
370 bool closeStdin(); 374 bool closeStdin();
371 375
372 /** 376 /**
373 * This causes the stdout file descriptor of the child process to be 377 * This causes the stdout file descriptor of the child process to be
374 * closed. 378 * closed.
375 * 379 *
376 * @return @p false if no communication to the process's stdout 380 * @return @p false if no communication to the process's stdout
377 * had been specified in the call to @ref start(). 381 * had been specified in the call to @ref start().
378 */ 382 */
379 bool closeStdout(); 383 bool closeStdout();
380 384
381 /** 385 /**
382 * This causes the stderr file descriptor of the child process to be 386 * This causes the stderr file descriptor of the child process to be
383 * closed. 387 * closed.
384 * 388 *
385 * @return @p false if no communication to the process's stderr 389 * @return @p false if no communication to the process's stderr
386 * had been specified in the call to @ref start(). 390 * had been specified in the call to @ref start().
387 */ 391 */
388 bool closeStderr(); 392 bool closeStderr();
389 393
390 /** 394 /**
391 * Lets you see what your arguments are for debugging. 395 * Lets you see what your arguments are for debugging.
392 */ 396 */
393 397
394 const QValueList<QCString> &args() { return arguments; } 398 const QValueList<QCString> &args() { return arguments; }
@@ -702,104 +706,42 @@ protected:
702 /** 706 /**
703 * @ref OProcessController is a friend of OProcess because it has to have 707 * @ref OProcessController is a friend of OProcess because it has to have
704 * access to various data members. 708 * access to various data members.
705 */ 709 */
706 friend class OProcessController; 710 friend class OProcessController;
707 711
708 712
709private: 713private:
710 /** 714 /**
711 * Searches for a valid shell. 715 * Searches for a valid shell.
712 * Here is the algorithm used for finding an executable shell: 716 * Here is the algorithm used for finding an executable shell:
713 * 717 *
714 * @li Try the executable pointed to by the "SHELL" environment 718 * @li Try the executable pointed to by the "SHELL" environment
715 * variable with white spaces stripped off 719 * variable with white spaces stripped off
716 * 720 *
717 * @li If your process runs with uid != euid or gid != egid, a shell 721 * @li If your process runs with uid != euid or gid != egid, a shell
718 * not listed in /etc/shells will not used. 722 * not listed in /etc/shells will not used.
719 * 723 *
720 * @li If no valid shell could be found, "/bin/sh" is used as a last resort. 724 * @li If no valid shell could be found, "/bin/sh" is used as a last resort.
721 */ 725 */
722 QCString searchShell(); 726 QCString searchShell();
723 727
724 /** 728 /**
725 * Used by @ref searchShell in order to find out whether the shell found 729 * Used by @ref searchShell in order to find out whether the shell found
726 * is actually executable at all. 730 * is actually executable at all.
727 */ 731 */
728 bool isExecutable(const QCString &filename); 732 bool isExecutable(const QCString &filename);
729 733
730 // Disallow assignment and copy-construction 734 // Disallow assignment and copy-construction
731 OProcess( const OProcess& ); 735 OProcess( const OProcess& );
732 OProcess& operator= ( const OProcess& ); 736 OProcess& operator= ( const OProcess& );
733 737
734protected:
735 virtual void virtual_hook( int id, void* data );
736private:
737 OProcessPrivate *d;
738};
739
740class KShellProcessPrivate;
741
742/**
743* @obsolete
744*
745* This class is obsolete. Use OProcess and OProcess::setUseShell(true)
746* instead.
747*
748* @short A class derived from @ref OProcess to start child
749 * processes through a shell.
750* @author Christian Czezakte <e9025461@student.tuwien.ac.at>
751* @version $Id$
752*/
753class KShellProcess: public OProcess
754{
755 Q_OBJECT
756
757public:
758
759 /**
760 * Constructor
761 *
762 * By specifying the name of a shell (like "/bin/bash") you can override
763 * the mechanism for finding a valid shell as described in OProcess::searchShell()
764 */
765 KShellProcess(const char *shellname=0);
766
767 /**
768 * Destructor.
769 */
770 ~KShellProcess();
771
772 /**
773 * Starts up the process. -- For a detailed description
774 * have a look at the "start" member function and the detailed
775 * description of @ref OProcess .
776 */
777 virtual bool start(RunMode runmode = NotifyOnExit,
778 Communication comm = NoCommunication);
779
780 /**
781 * This function can be used to quote an argument string such that
782 * the shell processes it properly. This is e. g. necessary for
783 * user-provided file names which may contain spaces or quotes.
784 * It also prevents expansion of wild cards and environment variables.
785 */
786 static QString quote(const QString &arg);
787
788private: 738private:
739 void init ( );
789 740
790 QCString shell; 741 OProcessPrivate *d;
791
792 // Disallow assignment and copy-construction
793 KShellProcess( const KShellProcess& );
794 KShellProcess& operator= ( const KShellProcess& );
795
796protected:
797 virtual void virtual_hook( int id, void* data );
798private:
799 KShellProcessPrivate *d;
800}; 742};
801 743
802 744
803 745
804#endif 746#endif
805 747