Update.

2002-07-15  Ulrich Drepper  <drepper@redhat.com>

	* libio/wfileops.c (_IO_wfile_seekoff): Reposition wide pointers
	and adjust state for seek position.  [PR libc/4070]
	* libio/Makefile (tests): Add bug-rewind.
	* libio/bug-rewind.c: New file.

5 files changed, 75 insertions, 8 deletions

diff --git a/linuxthreads_db/ChangeLog b/linuxthreads_db/ChangeLog
index c5cbfba126..774afe6e2a 100644
--- a/linuxthreads_db/ChangeLog
+++ b/linuxthreads_db/ChangeLog
@@ -1,3 +1,11 @@
+2002-07-14  Ulrich Drepper  <drepper@redhat.com>
+
+	* td_ta_map_id2thr.c: Begin fixing implementation for libpthread with
+	TLS support.
+	* td_ta_map_lwp2thr.c: Likewise.
+	* td_ta_thr_iter.c: Likewise.
+	* td_thr_get_info.c: Likewise.
+
 2002-07-10  Ulrich Drepper  <drepper@redhat.com>
 
 	* Versions [libthread_db] (GLIBC_2.3): Add td_thr_tls_get_addr.
diff --git a/linuxthreads_db/td_ta_map_id2thr.c b/linuxthreads_db/td_ta_map_id2thr.c
index e6be74ff19..ddeb2d3c4a 100644
--- a/linuxthreads_db/td_ta_map_id2thr.c
+++ b/linuxthreads_db/td_ta_map_id2thr.c
@@ -45,7 +45,19 @@ td_ta_map_id2thr (const td_thragent_t *ta, pthread_t pt, td_thrhandle_t *th)
 
   /* Test whether this entry is in use.  */
   if (phc.h_descr == NULL)
-    return TD_BADTH;
+    {
+      if (pt % pthread_threads_max == 0)
+	{
+	  /* The initial thread always exists but the thread library
+	     might not yet be initialized.  */
+	  th->th_ta_p = (td_thragent_t *) ta;
+	  th->th_unique = NULL;
+
+	  return TD_OK;
+	}
+
+      return TD_BADTH;
+    }
 
   /* Next test: get the descriptor to see whether this is not an old
      thread handle.  */
diff --git a/linuxthreads_db/td_ta_map_lwp2thr.c b/linuxthreads_db/td_ta_map_lwp2thr.c
index 1fc614cc21..dd2fcbfe4e 100644
--- a/linuxthreads_db/td_ta_map_lwp2thr.c
+++ b/linuxthreads_db/td_ta_map_lwp2thr.c
@@ -76,7 +76,16 @@ td_ta_map_lwp2thr (const td_thragent_t *ta, lwpid_t lwpid, td_thrhandle_t *th)
 
 	    return TD_OK;
 	  }
-    }
+      }
+    else if (cnt == 0)
+      {
+	/* The initial thread always exists.  But it might not yet be
+	   initialized.  Construct a value.  */
+	th->th_ta_p = (td_thragent_t *) ta;
+	th->th_unique = NULL;
+
+	return TD_OK;
+      }
 
   return TD_NOLWP;
 }
diff --git a/linuxthreads_db/td_ta_thr_iter.c b/linuxthreads_db/td_ta_thr_iter.c
index 7d7085870f..977711261e 100644
--- a/linuxthreads_db/td_ta_thr_iter.c
+++ b/linuxthreads_db/td_ta_thr_iter.c
@@ -31,6 +31,37 @@ handle_descr (const td_thragent_t *ta, td_thr_iter_f *callback,
   size_t sizeof_descr = ta->sizeof_descr;
   td_thrhandle_t th;
 
+  if (descr == NULL)
+    {
+      /* No descriptor (yet).  */
+      if (cnt == 0)
+	{
+	  /* This is the main thread.  Create a fake descriptor.  */
+	  memset (&pds, '\0', sizeof (pds));
+
+	  /* Empty thread descriptor the thread library would create.  */
+	  pds.p_header.data.self = &pds;
+	  pds.p_nextlive = pds.p_prevlive = &pds;
+	  pds.p_tid = PTHREAD_THREADS_MAX;
+	  /* The init code also sets up p_lock, p_errnop, p_herrnop, and
+	     p_userstack but this should not be necessary here.  */
+
+	  th.th_ta_p = (td_thragent_t *) ta;
+	  th.th_unique = &pds;
+	  if (callback (&th, cbdata_p) != 0)
+	    return TD_DBERR;
+
+	  /* All done successfully.  */
+	  return TD_OK;
+	}
+      else if (cnt == 1)
+	/* The manager is not yet started.  No big deal.  */
+	return TD_OK;
+      else
+	/* For every other thread this should not happen.  */
+	return TD_ERR;
+    }
+
   if (ps_pdread (ta->ph, descr, &pds, sizeof_descr) != PS_OK)
     return TD_ERR;	/* XXX Other error value?  */
 
diff --git a/linuxthreads_db/td_thr_get_info.c b/linuxthreads_db/td_thr_get_info.c
index b479170783..4666bda976 100644
--- a/linuxthreads_db/td_thr_get_info.c
+++ b/linuxthreads_db/td_thr_get_info.c
@@ -1,5 +1,5 @@
 /* Get thread information.
-   Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
 
@@ -31,10 +31,17 @@ td_thr_get_info (const td_thrhandle_t *th, td_thrinfo_t *infop)
 
   LOG ("td_thr_get_info");
 
-  /* Get the thread descriptor.  */
-  if (ps_pdread (th->th_ta_p->ph, th->th_unique, &pds,
-		 th->th_ta_p->sizeof_descr) != PS_OK)
-    return TD_ERR;	/* XXX Other error value?  */
+  /* Handle the case when the thread library is not yet initialized.  */
+  if (th->th_unique == NULL)
+    {
+      memset (&pds, '\0', sizeof (pds));
+      pds.p_tid = PTHREAD_THREADS_MAX;
+    }
+  else
+    /* Get the thread descriptor.  */
+    if (ps_pdread (th->th_ta_p->ph, th->th_unique, &pds,
+		   th->th_ta_p->sizeof_descr) != PS_OK)
+      return TD_ERR;	/* XXX Other error value?  */
 
   /* Fill in information.  Clear first to provide reproducable
      results for the fields we do not fill in.  */
@@ -54,7 +61,7 @@ td_thr_get_info (const td_thrhandle_t *th, td_thrinfo_t *infop)
       infop->ti_tls = (char *) pds.p_specific;
       infop->ti_pri = pds.p_priority;
       infop->ti_type = TD_THR_USER;
-      
+
       if (! pds.p_terminated)
 	/* XXX For now there is no way to get more information.  */
 	infop->ti_state = TD_THR_ACTIVE;