1 files changed, 80 insertions, 0 deletions
diff --git a/sysdeps/l4/hurd/pt-thread-start.c b/sysdeps/l4/hurd/pt-thread-start.c
new file mode 100644
index 00000000..ae5dfa8c
--- /dev/null
+++ b/sysdeps/l4/hurd/pt-thread-start.c
@@ -0,0 +1,80 @@
+/* Start thread.  L4 version.
+   Copyright (C) 2007 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 <hurd/thread.h>
+#include <hurd/exceptions.h>
+
+#include <pt-internal.h>
+
+int
+__pthread_thread_start (struct __pthread *thread)
+{
+  error_t err;
+
+  if (__pthread_num_threads == 1)
+    /* The main thread is already running of course.  */
+    {
+      assert (__pthread_total == 1);
+      assert (l4_is_thread_equal (l4_myself (), thread->threadid));
+      l4_set_user_defined_handle_of (hurd_exception_thread (l4_myself ()),
+				     (l4_word_t) thread);
+      l4_set_user_defined_handle ((l4_word_t) thread);
+    }
+  else
+    {
+      struct cap_addr_trans addr_trans = CAP_ADDR_TRANS_VOID;
+
+      /* First, start the exception thread.  */
+      l4_word_t dummy;
+      err = rm_thread_exregs (ADDR_VOID, thread->object.addr,
+			      HURD_EXREGS_EXCEPTION_THREAD
+			      | HURD_EXREGS_SET_SP_IP
+			      | HURD_EXREGS_SET_USER_HANDLE
+			      | HURD_EXREGS_START
+			      | HURD_EXREGS_ABORT_IPC,
+			      ADDR_VOID, 0, addr_trans, ADDR_VOID,
+			      (l4_word_t) thread->exception_handler_sp,
+			      (l4_word_t) exception_handler_loop, 0,
+			      thread,
+			      ADDR_VOID, ADDR_VOID,
+			      &dummy, &dummy, &dummy, &dummy);
+      assert (err == 0);
+
+      err = rm_thread_exregs (ADDR_VOID, thread->object.addr,
+			      HURD_EXREGS_SET_ASPACE
+			      | HURD_EXREGS_SET_ACTIVITY
+			      | HURD_EXREGS_SET_SP_IP
+			      | HURD_EXREGS_SET_USER_HANDLE
+			      | HURD_EXREGS_START
+			      | HURD_EXREGS_ABORT_IPC,
+			      ADDR (0, 0),
+			      CAP_COPY_COPY_SOURCE_GUARD, addr_trans,
+			      ADDR_VOID,
+			      (l4_word_t) thread->mcontext.sp,
+			      (l4_word_t) thread->mcontext.pc, 0,
+			      thread,
+			      ADDR_VOID, ADDR_VOID,
+			      &dummy, &dummy, &dummy, &dummy);
+      assert (err == 0);
+    }
+  return 0;
+}