* process.c: Fix minor off-by-one issues in descriptor counts.

This shouldn't fix any real bugs, but it cleans up the code a bit.
(max_process_desc, max_input_desc): -1, not 0, means none.
All uses changed.
(delete_input_desc): New function.
(delete_write_fd, delete_keyboard_wait_descriptor): Use it.
(deactivate_process): Scan backwards when recomuting max_process_desc;
that should be faster.
(init_process_emacs): Initialize max_input_desc.

1 files changed, 12 insertions, 0 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index e8c09b3b4f3..03420788a64 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,15 @@
+2013-08-06  Paul Eggert  <eggert@cs.ucla.edu>
+
+        * process.c: Fix minor off-by-one issues in descriptor counts.
+        This shouldn't fix any real bugs, but it cleans up the code a bit.
+        (max_process_desc, max_input_desc): -1, not 0, means none.
+        All uses changed.
+        (delete_input_desc): New function.
+        (delete_write_fd, delete_keyboard_wait_descriptor): Use it.
+        (deactivate_process): Scan backwards when recomuting max_process_desc;
+        that should be faster.
+        (init_process_emacs): Initialize max_input_desc.
+
 2013-08-06  Dmitry Antipov  <dmantipov@yandex.ru>
 
         Use region cache to speedup bidi_find_paragraph_start.