Avoid hangs in accept-process-output.

* lisp.h, process.c (wait_reading_process_input):
Return int, not bool.  All uses changed.
* process.c (SELECT_CANT_DO_WRITE_MASK):
Remove macro, replacing with ...
(SELECT_CAN_DO_WRITE_MASK): ... new constant, with inverted sense.
All uses changed.
(status_notify): New arg WAIT_PROC.  Return int, not void.
All uses changed.

Fixes: debbugs:17647

1 files changed, 12 insertions, 0 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 7e3b4a97820..6db73ca7f69 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,15 @@
+2014-06-13  Paul Eggert  <eggert@cs.ucla.edu>
+
+        Avoid hangs in accept-process-output (Bug#17647).
+        * lisp.h, process.c (wait_reading_process_input):
+        Return int, not bool.  All uses changed.
+        * process.c (SELECT_CANT_DO_WRITE_MASK):
+        Remove macro, replacing with ...
+        (SELECT_CAN_DO_WRITE_MASK): ... new constant, with inverted sense.
+        All uses changed.
+        (status_notify): New arg WAIT_PROC.  Return int, not void.
+        All uses changed.
+
 2014-06-13  Eli Zaretskii  <eliz@gnu.org>
 
         * menu.c (Fx_popup_menu): Don't call the frame's menu_show_hook if