added wxEXEC_NODISABLE

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@31081 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/changes.txt

@@ -12,6 +12,7 @@ All:
 - classes in the manual are now cross-referenced (Zbigniew Zag<61>rski)
 - Norwegian (Bokm<6B>l) translation added (Hans F. Nordhaug)
 - wxDynamicLibrary::HasSymbol() added
+- added wxEXEC_NODISABLE flag to be used with wxExecute(wxEXEC_SYNC)
 - added wxTextInputStream::operator>>(wchar_t) for compilers which support this
 - added wxURI, a class for dealing with Uniform Resource Identifiers
 - changed wxURL to inherit from wxURI and provide assignment and comparison

docs/latex/wx/function.tex

@@ -553,9 +553,12 @@ In the case of synchronous execution, the return value is the exit code of
 the process (which terminates by the moment the function returns) and will be
 $-1$ if the process couldn't be started and typically 0 if the process
 terminated successfully. Also, while waiting for the process to
-terminate, wxExecute will call \helpref{wxYield}{wxyield}. The caller
-should ensure that this can cause no recursion, in the simplest case by
-calling \helpref{wxEnableTopLevelWindows(false)}{wxenabletoplevelwindows}.
+terminate, wxExecute will call \helpref{wxYield}{wxyield}. Because of this, by
+default this function disables all application windows to avoid unexpected
+reentrancies which could result from the users interaction with the program
+while the child process is running. If you are sure that it is safe to not
+disable the program windows, you may pass \texttt{wxEXEC\_NODISABLE} flag to
+prevent this automatic disabling from happening.
 
 For asynchronous execution, however, the return value is the process id and
 zero value indicates that the command could not be executed. As an added