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-rw-r--r--nptl_db/td_thr_setgregs.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/nptl_db/td_thr_setgregs.c b/nptl_db/td_thr_setgregs.c
index 2a9ce7e01c..f842f7c7aa 100644
--- a/nptl_db/td_thr_setgregs.c
+++ b/nptl_db/td_thr_setgregs.c
@@ -1,5 +1,5 @@
 /* Set a thread's general register set.
-   Copyright (C) 1999, 2001, 2002, 2003 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2001, 2002, 2003, 2007 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
 
@@ -29,6 +29,11 @@ td_thr_setgregs (const td_thrhandle_t *th, prgregset_t gregs)
 
   LOG ("td_thr_setgregs");
 
+  if (th->th_unique == 0)
+    /* Special case for the main thread before initialization.  */
+    return ps_lsetregs (th->th_ta_p->ph, ps_getpid (th->th_ta_p->ph),
+			gregs) != PS_OK ? TD_ERR : TD_OK;
+
   /* We have to get the state and the PID for this thread.  */
   err = DB_GET_FIELD (cancelhandling, th->th_ta_p, th->th_unique, pthread,
 		      cancelhandling, 0);