X-Git-Url: http://git.tdb.fi/?p=libs%2Fcore.git;a=blobdiff_plain;f=source%2Fthread.h;h=b9910ff2135cfaab67c30cbfe71d21b23f741516;hp=a115853211ba122ddb3628326339d43473474a0b;hb=64f0b85e4d5b0cbf1dc76eb3a5342403247576fe;hpb=1013e3c216cdf8e0ecc0f3b1e8314989b5333818

diff --git a/source/thread.h b/source/thread.h
index a115853..b9910ff 100644
--- a/source/thread.h
+++ b/source/thread.h
@@ -17,12 +17,13 @@ public:
 	void kill(int s)   { pthread_kill(thread_, s); }
 	virtual ~Thread();
 protected:
-	Thread()           { }
-	void launch()      { pthread_create(&thread_, 0, &main_, this); }
+	Thread(): valid_(false) { }
+	void launch()      { if(!valid_) pthread_create(&thread_, 0, &main_, this); }
 	virtual void *main()=0;
 	void exit(void *r) { pthread_exit(r); }
 private:
 	pthread_t thread_;
+	bool      valid_;
 
 	Thread(const Thread &);
 	Thread &operator=(const Thread &);