Fix data-loss with --batch.

* admin/merge-gnulib (GNULIB_MODULES): Add close-stream.
* lib/close-stream.c, lib/close-stream.h, lib/fpending.c
* lib/fpending.h, m4/close-stream.m4, m4/fpending.m4:
New files, from gnulib.
* lib/gnulib.mk, m4/gnulib-comp.m4: Regenerate.
* src/emacs.c: Include <close-stream.h>.
(close_output_streams): New function.
(main): Pass it to atexit, so that Emacs closes stdout and stderr
and handles errors appropriately.
(Fkill_emacs): Don't worry about flushing, as close_output_stream
does that now.

Fixes: debbugs:9574

1 files changed, 8 insertions, 0 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 2f040accd9a..be10016fc33 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,5 +1,13 @@
 2012-11-03  Paul Eggert  <eggert@cs.ucla.edu>
 
+        Fix data-loss with --batch (Bug#9574).
+        * emacs.c: Include <close-stream.h>.
+        (close_output_streams): New function.
+        (main): Pass it to atexit, so that Emacs closes stdout and stderr
+        and handles errors appropriately.
+        (Fkill_emacs): Don't worry about flushing, as close_output_stream
+        does that now.
+
         Fix a race condition that causes Emacs to mess up glib (Bug#8855).
         The symptom is a diagnostic "GLib-WARNING **: In call to
         g_spawn_sync(), exit status of a child process was requested but