Merge in the pthread library. This is the linuxthreads library taken from

glibc 2.1.3 and ported to work with uClibc by Stefan Soucek and Erik Andersen
(me).  Stefan has hacked things up such that linuxthreads runs on MMU-less
systems (tested only on arm-nommu).  Erik cleaned things up and made it work
properly as a shared library.
 -Erik

1 files changed, 51 insertions, 0 deletions

diff --git a/libpthread/linuxthreads_db/td_thr_validate.c b/libpthread/linuxthreads_db/td_thr_validate.c
new file mode 100644
index 000000000..81c3b5021
--- /dev/null
+++ b/libpthread/linuxthreads_db/td_thr_validate.c
@@ -0,0 +1,51 @@
+/* Validate a thread handle.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_validate (const td_thrhandle_t *th)
+{
+  struct pthread_handle_struct *handles = th->th_ta_p->handles;
+  int pthread_threads_max = th->th_ta_p->pthread_threads_max;
+  int cnt;
+
+  LOG (__FUNCTION__);
+
+  /* Now get all descriptors, one after the other.  */
+  for (cnt = 0; cnt < pthread_threads_max; ++cnt, ++handles)
+    {
+      struct pthread_handle_struct phc;
+
+      if (ps_pdread (th->th_ta_p->ph, handles, &phc,
+		     sizeof (struct pthread_handle_struct)) != PS_OK)
+	return TD_ERR;	/* XXX Other error value?  */
+
+      if (phc.h_descr != NULL && phc.h_descr == th->th_unique)
+	{
+	  /* XXX There should be another test using the TID but this is
+	     currently not available.  */
+	  return TD_OK;
+	}
+    }
+
+  return TD_ERR;
+}