Add stub arch-fork.h header.

diff --git a/ChangeLog b/ChangeLog
index 0fd2758a3a7cc5cb96d43211a2c52c6582b210d7..be9529423ebe8b08d4c9aa61faecc7840b492db2 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,6 @@
 2014-05-16  Roland McGrath  <roland@hack.frob.com>
 
+       * sysdeps/unix/sysv/linux/arch-fork.h: New file.
        * sysdeps/unix/sysv/linux/i386/fork.h: Moved ...
        * sysdeps/unix/sysv/linux/i386/arch-fork.h: ... here.
        Don't do #include_next.

diff --git a/sysdeps/unix/sysv/linux/arch-fork.h b/sysdeps/unix/sysv/linux/arch-fork.h
new file mode 100644 (file)
index 0000000..a13bc58
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/arch-fork.h
@@ -0,0 +1,27 @@
+/* ARCH_FORK definition for Linux fork implementation.  Stub version.
+   Copyright (C) 2014 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 Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+/* This file should define the function-like macro of no arguments
+   ARCH_FORK to an INLINE_SYSCALL invocation of the clone-like system
+   call, passing the CLONE_CHILD_SETTID and CLONE_CHILD_CLEARTID flags
+   and &THREAD_SELF->tid as the TID address.
+
+   Machines that lack an arch-fork.h header file will hit an #error in
+   fork.c; this stub file doesn't contain an #error itself mainly for
+   the transition period of migrating old machine-specific fork.c files
+   to machine-specific arch-fork.h instead.  */