1 files changed, 46 insertions, 0 deletions
diff --git a/libpthread/sysdeps/l4/pt-thread-start.c b/libpthread/sysdeps/l4/pt-thread-start.c
new file mode 100644
index 0000000..3677070
--- /dev/null
+++ b/libpthread/sysdeps/l4/pt-thread-start.c
@@ -0,0 +1,46 @@
+/* Start thread.  L4 version.
+   Copyright (C) 2003 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 <string.h>
+
+#include <pt-internal.h>
+
+/* Start THREAD.  Get the kernel thread scheduled and running.  */
+int
+__pthread_thread_start (struct __pthread *thread)
+{
+  /* The main thread is already running of course.  */
+  if (__pthread_num_threads == 1)
+    assert (__pthread_total == 1);
+  else
+    {
+      l4_thread_id_t dest = thread->threadid;
+      l4_word_t control = (L4_XCHG_REGS_SET_HALT | L4_XCHG_REGS_SET_SP
+			   | L4_XCHG_REGS_SET_IP | L4_XCHG_REGS_SET_PAGER);
+      l4_word_t sp = (l4_word_t) thread->mcontext.sp;
+      l4_word_t ip = (l4_word_t) thread->mcontext.pc;
+      l4_word_t dummy = 0;
+      l4_thread_id_t pager = l4_pager ();
+
+      l4_exchange_registers (&dest, &control, &sp, &ip, &dummy, &dummy, &pager);
+    }
+  return 0;
+}