2008-04-30  Pedro Alves  <pedro@codesourcery.com>

	* linux-nat.c (linux_nat_switch_fork): Reinit GDB's thread list
	and register the fork's PTID as a thread.

---
 gdb/linux-nat.c |    2 ++
 1 file changed, 2 insertions(+)

Index: src/gdb/linux-nat.c
===================================================================
--- src.orig/gdb/linux-nat.c	2008-04-28 11:54:27.000000000 +0100
+++ src/gdb/linux-nat.c	2008-04-28 11:53:38.000000000 +0100
@@ -948,8 +948,10 @@ linux_nat_switch_fork (ptid_t new_ptid)
 {
   struct lwp_info *lp;
 
+  init_thread_list ();
   init_lwp_list ();
   lp = add_lwp (new_ptid);
+  add_thread_silent (new_ptid);
   lp->stopped = 1;
 }