* bsd-uthread.c (bsd_uthread_wait): Decorate the main thread with

	thread_change_ptid.  Check for exited threads.
	(bsd_uthread_find_new_threads): Check for exited threads.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 22bd2b2..f5f8452 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,11 @@
 2008-09-08  Pedro Alves  <pedro@codesourcery.com>
 
+       * bsd-uthread.c (bsd_uthread_wait): Decorate the main thread with
+       thread_change_ptid.  Check for exited threads.
+       (bsd_uthread_find_new_threads): Check for exited threads.
+
+2008-09-08  Pedro Alves  <pedro@codesourcery.com>
+
        * inf-ptrace.c: Include "gdbthread.h".
        (inf_ptrace_attach): Add the main thread here.
        * linux-nat.c (linux_nat_attach): Don't add the main thread here.

diff --git a/gdb/bsd-uthread.c b/gdb/bsd-uthread.c
index df038e6..b6a18f0 100644 (file)
--- a/gdb/bsd-uthread.c
+++ b/gdb/bsd-uthread.c
@@ -367,14 +367,16 @@ bsd_uthread_wait (ptid_t ptid, struct target_waitstatus *status)
        }
     }
 
-  /* HACK: Twiddle INFERIOR_PTID such that the initial thread of a
-     process isn't recognized as a new thread.  */
-  if (ptid_get_tid (ptid) != 0 && !in_thread_list (ptid)
-      && ptid_get_tid (inferior_ptid) == 0)
-    {
-      add_thread_silent (ptid);
-      inferior_ptid = ptid;
-    }
+  /* If INFERIOR_PTID doesn't have a tid member yet, and we now have a
+     ptid with tid set, then ptid is still the initial thread of
+     the process.  Notify GDB core about it.  */
+  if (ptid_get_tid (inferior_ptid) == 0
+      && ptid_get_tid (ptid) != 0 && !in_thread_list (ptid))
+    thread_change_ptid (inferior_ptid, ptid);
+
+  /* Don't let the core see a ptid without a corresponding thread.  */
+  if (!in_thread_list (ptid) || is_exited (ptid))
+    add_thread (ptid);
 
   return ptid;
 }
@@ -419,7 +421,7 @@ bsd_uthread_find_new_threads (void)
     {
       ptid_t ptid = ptid_build (pid, 0, addr);
 
-      if (!in_thread_list (ptid))
+      if (!in_thread_list (ptid) || is_exited (ptid))
        add_thread (ptid);
 
       addr = read_memory_typed_address (addr + offset,