Small changes

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

diff --git a/docs/latex/wx/tthreads.tex b/docs/latex/wx/tthreads.tex
index 531a04375b2b8932f071a7f7c076af717657c11b..b9ba1b517b7b6d3f20b7a96964c883ff1892622c 100644 (file)
--- a/docs/latex/wx/tthreads.tex
+++ b/docs/latex/wx/tthreads.tex
@@ -8,7 +8,10 @@ wxWindows provides a complete set of classes encapsulating objects necessary in
 multithreaded (MT) programs: the \helpref{thread}{wxthread} class itself and different
 synchronization objects: \helpref{mutexes}{wxmutex} and 
 \helpref{critical sections}{wxcriticalsection} with 
-\helpref{conditions}{wxcondition}.
+\helpref{conditions}{wxcondition}. The thread API in wxWindows resembles to
+POSIX1.c threads API (a.k.a. pthreads), although several functions have
+different names and some features inspired by Win32 thread API are there as
+well.
 
 These classes will hopefully make writing MT programs easier and they also
 provide some extra error checking (compared to the native (be it Win32 or Posix)
@@ -21,7 +24,7 @@ new thread for each new client), but in others it might be a very poor choice
 (example: launching a separate thread when doing a long computation to show a
 progress dialog). Other implementation choices are available: for the progress
 dialog example it is far better to do the calculations in the 
-\helpref{idle handler}{wxidleevent} or call \helpref{wxYield()}{wxyield}
+\helpref{idle handler}{wxidleevent} or call \helpref{wxYield()}{wxyield} 
 periodically to update the screen.
 
 If you do decide to use threads in your application, it is strongly recommended
@@ -34,10 +37,10 @@ more robust and will undoubtedly save you countless problems (example: under
 Win32 a thread can only access GDI objects such as pens, brushes, \&c created by
 itself and not by the other threads).
 
-Final note: in the current release of wxWindows, there are no specific
-facilities for communicating between the threads. However, the usual 
-\helpref{ProcessEvent()}{wxevthandlerprocessevent} function may be used for
-thread communication too - but you should provide your own synchronisation
-mechanism if you use it (e.g. just use a critical section before sending a
-message) because there is no built-in synchronisation.
+For communication between threads, use 
+\helpref{wxEvtHandler::AddPendingEvent}{wxevthandleraddpendingevent}
+or its short version \helpref{wxPostEvent}{wxpostevent}. These functions
+have thread safe implementation so that they can be used as they are for
+sending event from one thread to another.
+