Wine fixes

[wxWidgets.git] / docs / latex / wx / process.tex

diff --git a/docs/latex/wx/process.tex b/docs/latex/wx/process.tex
index 98e90695dc56a04c3f490ecf62634ad7bd3c8d5e..cd91098c1899dbc05f98e28b859801912af58e7c 100644 (file)
--- a/docs/latex/wx/process.tex
+++ b/docs/latex/wx/process.tex
@@ -1,6 +1,6 @@
 \section{\class{wxProcess}}\label{wxprocess}
 
 \section{\class{wxProcess}}\label{wxprocess}
 

-The objects of this class are used in conjunction with the 
+The objects of this class are used in conjunction with the

 \helpref{wxExecute}{wxexecute} function. When a wxProcess object is passed to
 wxExecute(), its \helpref{OnTerminate()}{wxprocessonterminate} virtual method
 is called when the process terminates. This allows the program to be
 \helpref{wxExecute}{wxexecute} function. When a wxProcess object is passed to
 wxExecute(), its \helpref{OnTerminate()}{wxprocessonterminate} virtual method
 is called when the process terminates. This allows the program to be


@@ -15,10 +15,10 @@ library users should only delete those objects whose notifications have been
 processed (and call \helpref{Detach()}{wxprocessdetach} for others).
 
 wxProcess also supports IO redirection of the child process. For this, you have
 processed (and call \helpref{Detach()}{wxprocessdetach} for others).
 
 wxProcess also supports IO redirection of the child process. For this, you have

-to call its \helpref{Redirect}{wxprocessredirect} method before passing it to 
-\helpref{wxExecute}{wxexecute}. If the child process was launched successfully, 
-\helpref{GetInputStream}{wxprocessgetinputstream}, 
-\helpref{GetOutputStream}{wxprocessgetoutputstream} and 
+to call its \helpref{Redirect}{wxprocessredirect} method before passing it to
+\helpref{wxExecute}{wxexecute}. If the child process was launched successfully,
+\helpref{GetInputStream}{wxprocessgetinputstream},
+\helpref{GetOutputStream}{wxprocessgetoutputstream} and

 \helpref{GetErrorStream}{wxprocessgeterrorstream} can then be used to retrieve
 the streams corresponding to the child process standard output, input and
 error output respectively.
 \helpref{GetErrorStream}{wxprocessgeterrorstream} can then be used to retrieve
 the streams corresponding to the child process standard output, input and
 error output respectively.


@@ -41,14 +41,14 @@ for explicit destruction.}
 
 \latexignore{\rtfignore{\wxheading{Members}}}
 
 
 \latexignore{\rtfignore{\wxheading{Members}}}
 

-\membersection{wxProcess::wxProcess}\label{wxprocessconstr}
+\membersection{wxProcess::wxProcess}\label{wxprocessctor}

 
 \func{}{wxProcess}{\param{wxEvtHandler *}{ parent = NULL}, \param{int}{ id = -1}}
 
 \func{}{wxProcess}{\param{int }{flags}}
 
 Constructs a process object. {\it id} is only used in the case you want to
 
 \func{}{wxProcess}{\param{wxEvtHandler *}{ parent = NULL}, \param{int}{ id = -1}}
 
 \func{}{wxProcess}{\param{int }{flags}}
 
 Constructs a process object. {\it id} is only used in the case you want to

-use wxWindows events. It identifies this object, or another window that will
+use wxWidgets events. It identifies this object, or another window that will

 receive the event.
 
 If the {\it parent} parameter is different from NULL, it will receive
 receive the event.
 
 If the {\it parent} parameter is different from NULL, it will receive


@@ -69,7 +69,7 @@ to calling \helpref{Redirect}{wxprocessredirect}.
 
 \docparam{flags}{either {\tt wxPROCESS\_DEFAULT} or {\tt wxPROCESS\_REDIRECT}}
 
 
 \docparam{flags}{either {\tt wxPROCESS\_DEFAULT} or {\tt wxPROCESS\_REDIRECT}}
 

-\membersection{wxProcess::\destruct{wxProcess}}
+\membersection{wxProcess::\destruct{wxProcess}}\label{wxprocessdtor}

 
 \func{}{\destruct{wxProcess}}{\void}
 
 
 \func{}{\destruct{wxProcess}}{\void}
 


@@ -92,7 +92,7 @@ Normally, a wxProcess object is deleted by its parent when it receives the
 notification about the process termination. However, it might happen that the
 parent object is destroyed before the external process is terminated (e.g. a
 window from which this external process was launched is closed by the user)
 notification about the process termination. However, it might happen that the
 parent object is destroyed before the external process is terminated (e.g. a
 window from which this external process was launched is closed by the user)

-and in this case it {\bf should not delete} the wxProcess object, but 
+and in this case it {\bf should not delete} the wxProcess object, but

 {\bf should call Detach()} instead. After the wxProcess object is detached
 from its parent, no notification events will be sent to the parent and the
 object will delete itself upon reception of the process termination
 {\bf should call Detach()} instead. After the wxProcess object is detached
 from its parent, no notification events will be sent to the parent and the
 object will delete itself upon reception of the process termination


@@ -121,9 +121,41 @@ It returns an output stream correspoding to the input stream of the subprocess.
 If it is NULL, you have not turned on the redirection.
 See \helpref{wxProcess::Redirect}{wxprocessredirect}.
 
 If it is NULL, you have not turned on the redirection.
 See \helpref{wxProcess::Redirect}{wxprocessredirect}.
 

+\membersection{wxProcess::IsErrorAvailable}\label{wxprocessiserroravailable}
+
+\constfunc{bool}{IsErrorAvailable}{\void}
+
+Returns {\tt true} if there is data to be read on the child process standard
+error stream.
+
+\wxheading{See also}
+
+\helpref{IsInputAvailable}{wxprocessisinputavailable}
+
+\membersection{wxProcess::IsInputAvailable}\label{wxprocessisinputavailable}
+
+\constfunc{bool}{IsInputAvailable}{\void}
+
+Returns {\tt true} if there is data to be read on the child process standard
+output stream. This allows to write simple (and extremely inefficient)
+polling-based code waiting for a better mechanism in future wxWidgets versions.
+
+See the \helpref{exec sample}{sampleexec} for an example of using this
+function.
+
+\wxheading{See also}
+
+\helpref{IsInputOpened}{wxprocessisinputopened}
+
+\membersection{wxProcess::IsInputOpened}\label{wxprocessisinputopened}
+
+\constfunc{bool}{IsInputOpened}{\void}
+
+Returns {\tt true} if the child process standard output stream is opened.
+

 \membersection{wxProcess::Kill}\label{wxprocesskill}
 
 \membersection{wxProcess::Kill}\label{wxprocesskill}
 

-\func{static wxKillError}{Kill}{\param{int}{ pid}, \param{wxSignal}{ signal = wxSIGNONE}}
+\func{static wxKillError}{Kill}{\param{int}{ pid}, \param{wxSignal}{ signal = wxSIGNONE}, \param{int }{flags = wxKILL\_NOCHILDREN}}

 
 Send the specified signal to the given process. Possible signal values are:
 
 
 Send the specified signal to the given process. Possible signal values are:
 


@@ -150,9 +182,14 @@ enum wxSignal
 \end{verbatim}
 
 {\tt wxSIGNONE}, {\tt wxSIGKILL} and {\tt wxSIGTERM} have the same meaning
 \end{verbatim}
 
 {\tt wxSIGNONE}, {\tt wxSIGKILL} and {\tt wxSIGTERM} have the same meaning

-under both Unix and Windows but all the other signals are equivalent to 
+under both Unix and Windows but all the other signals are equivalent to

 {\tt wxSIGTERM} under Windows.
 
 {\tt wxSIGTERM} under Windows.
 

+The {\it flags} parameter can be wxKILL\_NOCHILDREN (the default),
+or wxKILL\_CHILDREN, in which case the child processes of this
+process will be killed too. Note that under Unix, for wxKILL\_CHILDREN
+to work you should have created the process passing wxEXEC\_MAKE\_GROUP\_LEADER.
+

 Returns the element of {\tt wxKillError} enum:
 
 \begin{verbatim}
 Returns the element of {\tt wxKillError} enum:
 
 \begin{verbatim}


@@ -176,7 +213,7 @@ enum wxKillError
 
 \func{static bool}{Exists}{\param{int}{ pid}}
 
 
 \func{static bool}{Exists}{\param{int}{ pid}}
 

-Returns {\tt TRUE} if the given process exists in the system.
+Returns {\tt true} if the given process exists in the system.

 
 \wxheading{See also}
 
 
 \wxheading{See also}
 


@@ -185,10 +222,10 @@ Returns {\tt TRUE} if the given process exists in the system.
 
 \membersection{wxProcess::OnTerminate}\label{wxprocessonterminate}
 
 
 \membersection{wxProcess::OnTerminate}\label{wxprocessonterminate}
 

-\constfunc{void}{OnTerminate}{\param{int}{ pid}, \param{int}{ status}}
+\func{void}{OnTerminate}{\param{int}{ pid}, \param{int}{ status}}

 
 It is called when the process with the pid {\it pid} finishes.
 
 It is called when the process with the pid {\it pid} finishes.

-It raises a wxWindows event when it isn't overridden.
+It raises a wxWidgets event when it isn't overridden.

 
 \docparam{pid}{The pid of the process which has just terminated.}
 
 
 \docparam{pid}{The pid of the process which has just terminated.}
 


@@ -196,7 +233,7 @@ It raises a wxWindows event when it isn't overridden.
 
 \membersection{wxProcess::Open}\label{wxprocessopen}
 
 
 \membersection{wxProcess::Open}\label{wxprocessopen}
 

-\func{static wxProcess *}{Open}{\param{const wxString\& }{cmd}}
+\func{static wxProcess *}{Open}{\param{const wxString\& }{cmd}, \param{int }{flags = wxEXEC\_ASYNC}}

 
 This static method replaces the standard {\tt popen()} function: it launches
 the process specified by the {\it cmd} parameter and returns the wxProcess
 
 This static method replaces the standard {\tt popen()} function: it launches
 the process specified by the {\it cmd} parameter and returns the wxProcess


@@ -212,6 +249,8 @@ exits to avoid memory leaks.
 \wxheading{Parameters}
 
 \docparam{cmd}{The command to execute, including optional arguments.}
 \wxheading{Parameters}
 
 \docparam{cmd}{The command to execute, including optional arguments.}

+\docparam{flags}{The flags to pass to \helpref{wxExecute}{wxexecute}.
+  NOTE: wxEXEC\_SYNC should not be used.}

 
 \wxheading{Return value}
 
 
 \wxheading{Return value}
 


@@ -221,6 +260,12 @@ A pointer to new wxProcess object or {\tt NULL} on error.
 
 \helpref{wxExecute}{wxexecute}
 
 
 \helpref{wxExecute}{wxexecute}
 

+\membersection{wxProcess::GetPid}\label{wxprocessgetpid}
+
+\constfunc{long}{GetPid}{\void}
+
+Returns the process ID of the process launched by \helpref{Open}{wxprocessopen}.
+

 \membersection{wxProcess::Redirect}\label{wxprocessredirect}
 
 \func{void}{Redirect}{\void}
 \membersection{wxProcess::Redirect}\label{wxprocessredirect}
 
 \func{void}{Redirect}{\void}