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15 messages in net.java.dev.jna.usersRe: [jna-users] linux libc link error| From | Sent On | Attachments |
|---|---|---|
| Quartz | Oct 27, 2007 7:55 am | |
| Timothy Wall | Oct 27, 2007 8:14 am | |
| Quartz | Oct 27, 2007 11:10 am | |
| Timothy Wall | Oct 27, 2007 12:54 pm | |
| Quartz | Oct 28, 2007 11:03 am | |
| Quartz | Oct 28, 2007 12:44 pm | |
| Timothy Wall | Oct 28, 2007 1:44 pm | |
| Timothy Wall | Oct 28, 2007 1:49 pm | |
| Timothy Wall | Oct 28, 2007 1:55 pm | |
| Timothy Wall | Oct 28, 2007 2:30 pm | |
| Quartz | Oct 29, 2007 8:23 am | |
| Timothy Wall | Oct 29, 2007 1:56 pm | |
| Quartz | Oct 29, 2007 7:39 pm | |
| Timothy Wall | Oct 30, 2007 6:37 am | |
| Quartz | Nov 3, 2007 9:39 am |
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| Subject: | Re: [jna-users] linux libc link error | Actions... |
|---|---|---|
| From: | Timothy Wall (twal...@dev.java.net) | |
| Date: | Oct 28, 2007 2:30:30 pm | |
| List: | net.java.dev.jna.users | |
I've checked in a glibc 2.3.5-based build on the trunk. Try that one out.
On Oct 28, 2007, at 2:04 PM, Quartz wrote:
Hi,
Thanks for the info, Timothy. Yep, it's glibc 2.3.5. Before I go bother my linux guys with compilation, I'll push my luck: could you indicate where I could browse earlier binaries of jna, or at least a recent one that would be compiled against glibc 2.3.x?
Note:it would help the java user base to have a few builds at hand, with a disclaimer about the dependancies on the website. JNA is a great step forward for people like me that don't really handle platform dependant compilers.
Thanks!
--- Timothy Wall <twal...@dev.java.net> wrote:
Looks like your system has an older glibc (probably 2.3) installed, and the jna.jar you have was compiled against glibc 2.4 (the current trunk binary build for linux uses glibc 2.3).
Do "/lib/libc.so.6" on the command line and it'll print the version of glibc in use.
On Oct 27, 2007, at 2:10 PM, Quartz wrote:
Hi,
//I made an interface Pthread.java: import com.sun.jna.Library; import com.sun.jna.Native; public interface Pthread extends Library { Pthread INSTANCE = (Pthread)Native.loadLibrary("pthread", Pthread.class); int pthread_self(); }
//And them I made a simple test class: public class TaskId { public static void main(String[] args) throws Exception { System.out.println("pthread_self() returned "+Pthread.INSTANCE.pthread_self()); } }
//Then I compiled and ran it, and got: javac -cp jna.jar *.java java -cp jna.jar:. TaskId
Exception in thread "main" java.lang.UnsatisfiedLinkError: /tmp/ jna47643.tmp: /lib/libc.so.6: version `GLIBC_2.4' not found (required by /tmp/jna47643.tmp) at java.lang.ClassLoader$NativeLibrary.load(Native Method) ...
What's going on? (forgive my lack of knowlege)
--- Timothy Wall <twal...@dev.java.net> wrote:
I would guess linux uses pthreads, but you could browse the JVM source to be sure. I would imagine you might find what you're looking for in the native java.lang.Thread sources.
I'm inferring that task corresponds to thread, so if you make a pthread call to get the thread id, that might be what you're looking for.
The thread/task id might even be tucked away in a private member of a platform-specific class (this is the case with 1.6+ for AWT window handles).
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