X-Recipient: archive-cygwin@delorie.com X-SWARE-Spam-Status: No, hits=-3.3 required=5.0 tests=AWL,BAYES_00,FSL_RCVD_USER,KHOP_THREADED,RCVD_IN_DNSWL_NONE,RCVD_IN_HOSTKARMA_YE,TW_JC X-Spam-Check-By: sourceware.org Message-ID: In-Reply-To: <1342195424.30517.ezmlm@cygwin.com> References: <1342195424.30517.ezmlm@cygwin.com> Date: Wed, 18 Jul 2012 10:03:36 +0200 Subject: Re: Differences between C++ 'new' operator and 'malloc()' (NOT a C/C++ question) From: "Claude SIMON" To: cygwin@cygwin.com Reply-To: simon.claude@zeusw.org User-Agent: SquirrelMail/1.4.21 MIME-Version: 1.0 Content-Type: text/plain;charset=iso-8859-1 Content-Transfer-Encoding: 8bit Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Delivered-To: mailing list cygwin@cygwin.com Csaba Raduly wrote: > On Thu, Jul 12, 2012 at 5:59 PM, Claude SIMON wrote: > (snip) >> Since my last testings, I updated Cygwin, the JDK and the JRE. So, my >> current configuration is now : >> >> Windows Vista 32 bits SP2 >> Cygwin 1.7.15 >> g++ 4.5.3 >> javac 1.7.0_05 >> javah 1.7.0_05 >> java 1.7.0_05 >> >> When running the test case, I now have : >> >> $ java jcmc >> Loading library 'jcmc'...Exception in thread "main" >> java.lang.UnsatisfiedLinkError: H:\cvs\epeios\bugs\jcmc\jcmc.dll: >> L'accÞs >> Ó cet emplacement de la mÚmoire n'est pas valide >> at java.lang.ClassLoader$NativeLibrary.load(Native Method) >> at java.lang.ClassLoader.loadLibrary1(Unknown Source) >> at java.lang.ClassLoader.loadLibrary0(Unknown Source) >> at java.lang.ClassLoader.loadLibrary(Unknown Source) >> at java.lang.Runtime.loadLibrary0(Unknown Source) >> at java.lang.System.loadLibrary(Unknown Source) >> at jcmc.main(jcmc.java:9) >> >> There is a French message which roughly means "The access to this memory >> location is not valid" >> >> I updated the test case to reflect your changes : >> - 'Makefile' now generates the '.h' file, >> - 'Makefile' does no more contain the '--stdcall-alias' linker >> flag, >> - the '.cpp' contains now the `extern "C"' directive, >> - the '.h' is removed from test case, since it's now generated >> by the 'Makefiile'. > > This sounds a bit like my JNI problem: > > http://cygwin.com/ml/cygwin/2012-07/msg00043.html > It's worse, as in my case, the component isn't even loaded ! You should try the 'MinGW' compiler, as I did. With the 'default' Cygwin compiler, I never manage to have a working Java native component. But with the 'MinGW' compiler, my Java native component finally works ! -- Claude SIMON http://zeusw.org/ -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple