33 messages in net.java.dev.jna.usersRe: [jna-users] Linux SIGSEGV under J...
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Mark ClickJun 4, 2009 4:59 pm.txt
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Subject:Re: [jna-users] Linux SIGSEGV under JNA but not C?Actions...
From:Mark Click (mark@gmail.com)
Date:Jun 9, 2009 10:07:22 am
List:net.java.dev.jna.users

On Tue, Jun 9, 2009 at 6:13 AM, Timothy Wall <twal@dev.java.net> wrote:

On Jun 8, 2009, at 6:09 PM, Mark Click wrote:

On Mon, Jun 8, 2009 at 2:17 PM, Timothy Wall <twal@dev.java.net> wrote: Also make sure you use the same Java test program to test both scenarios, so that you've ensured that the Java environment is otherwise identical.

Examine libjnidispatch.so and your 3rd-party shared library using ldd; see if there are any dependent library conflicts (e.g. libc.so).

Here's the ldd output for the libraries, http://pastebin.com/m3c041b92

It looks like everything is normal/correct?

What happens when your JNI code dynamically loads your 3rd-party library, e.g.

void * handle = dlopen("/path/to/lib3rdparty.so", RTLD_LAZY); void (*func)(wchar_t*) = (void (*)(wchar_t*))dlsym("entryPoint"); (*func)(NULL); dlclose(handle);

Everything works still, just as the JNI without it.

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