printStackTrace() hangs in read()

Wed Feb 5 09:41:00 GMT 2003

> -lpthread 

Thanks, that was helpful! If I link with the pthread library, then the jni
example also works. 
> It's a bug in Red Hat 8.0's Java installation.

Then I am not the only one who made this mistake. -- It doesn't seem a good
idea to load pthreads dynamically. :)
Jost
-----Original Message-----
From: Andrew Haley [mailto:aph@redhat.com] 
Sent: Dienstag, 4. Februar 2003 11:49
To: Jost Boekemeier
Cc: 'java@gcc.gnu.org'
Subject: JNI: printStackTrace() hangs in read()
Jost Boekemeier writes:
 > Hi,
 > 
 > this may be a known problem on linux (kernel 2.4.18; RH8; gcc3.2.1, no
 > special options)
 > 
 > I have run a simple java test program which simply calls
 > ex.printStackTrace().
It's a bug in Red Hat 8.0's Java installation.
This is the patch you need:

--- /usr/lib/gcc-lib/i386-redhat-linux/3.2/libgcj.spec~ 2002年09月04日
04:03:39.000000000 +0100
+++ /usr/lib/gcc-lib/i386-redhat-linux/3.2/libgcj.spec 2002年12月10日
15:59:39.000000000 +0000
@@ -4,6 +4,6 @@
 # to link with libgcj.
 #
 %rename lib liborig
-*lib: -lgcj -lm -lz -ldl %(libgcc) %(liborig)
+*lib: -lgcj -lm -lpthread -lz -ldl %(libgcc) %(liborig)
 
 *jc1: -fhash-synchronization -fno-use-divide-subroutine -fuse-boehm-gc
-fnon-call-exceptions -fkeep-inline-functions
 > On linux, is is possible to fork/exec when threads are being used (there
are
 > two other threads probably belonging to the gc and finalizer)? How can I
 > determine if a procid is a thread?
>From Linux's point of view, there is really very little difference
between a process and a thread -- they're just processes that share
memory.
Andrew.
