Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com To: cygwin AT cygwin DOT com From: "Alex Vinokur" Subject: pthreads, printf and cout Date: Fri, 2 Jan 2004 19:57:37 +0200 Lines: 71 Message-ID: X-Complaints-To: usenet AT sea DOT gmane DOT org X-Newsreader: Microsoft Outlook Express 6.00.2800.1106 Hi, Behavior of printf and cout in a program below is different : cout prints nothing. What is wrong? =================================== Windows 2000 Professional CYGWIN_NT-5.0 1.5.4(0.94/3/2) gcc version 3.3.1 (cygming special) =================================== ====== C++ code : foo.cpp : BEGIN ====== #include #include #include #include using namespace std; extern "C" void* Run(void *) { printf ("printf : Run Start\n"); cout << "cout : Run Start" << endl; sleep (3); printf ("printf : Run Finish\n"); cout << "cout : Run Finish" << endl; } int main () { pthread_t t1; pthread_create(&t1, NULL, Run, NULL); int errNum = pthread_join(t1, NULL); printf ("printf : errNum = %d\n", errNum); cout << "cout : errNum = " << errNum << endl; } ====== C++ code : foo.cpp : END ======== ====== Compilation & Run : BEGIN ====== $ g++ foo.cpp $ a printf : Run Start printf : Run Finish printf : errNum = 0 // cout prints nothing ====== Compilation & Run : END ======== -- ===================================== Alex Vinokur mailto:alexvn AT connect DOT to http://mathforum.org/library/view/10978.html news://news.gmane.org/gmane.comp.lang.c++.perfometer ===================================== -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/