Prepare for radical source tree reorganization. zack/build-layout-experiment

All top-level files and directories are moved into a temporary storage
directory, REORG.TODO, except for files that will certainly still
exist in their current form at top level when we're done (COPYING,
COPYING.LIB, LICENSES, NEWS, README), all old ChangeLog files (which
are moved to the new directory OldChangeLogs, instead), and the
generated file INSTALL (which is just deleted; in the new order, there
will be no generated files checked into version control).

1 files changed, 38 insertions, 0 deletions

diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/exit-thread.h b/REORG.TODO/sysdeps/unix/sysv/linux/exit-thread.h
new file mode 100644
index 0000000000..749db19813
--- /dev/null
+++ b/REORG.TODO/sysdeps/unix/sysv/linux/exit-thread.h
@@ -0,0 +1,38 @@
+/* Call to terminate the current thread.  Linux version.
+   Copyright (C) 2014-2017 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/>.  */
+
+#include <sysdep.h>
+
+/* This causes the current thread to exit, without affecting other
+   threads in the process if there are any.  If there are no other
+   threads left, then this has the effect of _exit (0).  */
+
+static inline void __attribute__ ((noreturn, always_inline, unused))
+__exit_thread (void)
+{
+  /* Doing this in a loop is mostly just to satisfy the compiler that the
+     function really qualifies as noreturn.  It also means that in some
+     pathological situation where the system call does not get made or does
+     not work, the thread will simply spin rather than running off the end
+     of the caller and doing unexpectedly strange things.  */
+  while (1)
+    {
+      INTERNAL_SYSCALL_DECL (err);
+      INTERNAL_SYSCALL (exit, err, 1, 0);
+    }
+}