1 files changed, 45 insertions, 0 deletions
diff --git a/libpthread/sysdeps/l4/pt-thread-halt.c b/libpthread/sysdeps/l4/pt-thread-halt.c
new file mode 100644
index 00000000..aa2bf43d
--- /dev/null
+++ b/libpthread/sysdeps/l4/pt-thread-halt.c
@@ -0,0 +1,45 @@
+/* Deallocate the kernel thread resources.  L4version.
+   Copyright (C) 2000, 2002, 2004 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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 <assert.h>
+#include <errno.h>
+
+#include <pt-internal.h>
+
+/* Deallocate the kernel thread resources associated with THREAD.  */
+void
+__pthread_thread_halt (struct __pthread *thread, int need_dealloc)
+{
+  l4_thread_id_t tid = thread->threadid;
+
+  if (need_dealloc)
+    __pthread_dealloc (thread);
+
+  /* There is potential race here: once if TID is the current thread,
+     then once we add TID to the pool, someone can reallocate it
+     before we call stop.  However, to start the thread, the caller
+     atomically starts and sets the sp and ip, thus, if the stop has
+     not yet executed at that point, it won't.  */
+
+  if (tid != l4_myself ())
+    l4_stop (tid);
+  pthread_pool_add_np (tid);
+  if (tid == l4_myself ())
+    l4_stop (tid);
+}