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Compiling glibc 2.1.x CVS with gcc 2.95.2 gives a segfault in Program received signal SIGSEGV, Segmentation fault. 0x4001d21c in pthread_initialize () at pthread.c:375 375 if (__dso_handle) (gdb) p __dso_handle No symbol "__dso_handle" in current context. This was introduced by the following change: 2000-03-19 Ulrich Drepper <drepper@redhat.com> * pthread.c (pthread_initialize): Instead of on_exit use __cxa_atexit if __dso_label is available to allow unloading the libpthread shared library. I'm appending a patch to get this working with gcc 2.95.2 - the patch is needed for both branches. Btw. Uli, you changed __on_exit to on_exit - is this ok? Andreas 2000-03-21 Andreas Jaeger <aj@suse.de> * pthread.c (pthread_initialize): Proper check for existence of __dso_handle. ============================================================ Index: linuxthreads/pthread.c --- linuxthreads/pthread.c 2000/03/20 07:06:15 1.35 +++ linuxthreads/pthread.c 2000/03/21 08:13:52 @@ -389,7 +389,7 @@ /* Register an exit function to kill all other threads. */ /* Do it early so that user-registered atexit functions are called before pthread_exit_process. */ - if (__dso_handle) + if (&__dso_handle != NULL) /* The cast is a bit unclean. The function expects two arguments but we can only pass one. Fortunately this is not a problem since the second argument of `pthread_exit_process' is simply ignored. */ -- Andreas Jaeger SuSE Labs aj@suse.de private aj@arthur.rhein-neckar.de
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