[Emacs-diffs] emacs/src process.c

[Nick Roberts]

CVSROOT:        /sources/emacs
Module name:    emacs
Changes by:     Nick Roberts <nickrob>  09/08/30 04:54:34

Modified files:
        src            : process.c 

Log message:
        (wait_reading_process_output): Keep the descriptor
        when pty is used by a non-child process, e.g., in I/O buffer of
        GDB this allows inferior to be restarted.

CVSWeb URLs:
http://cvs.savannah.gnu.org/viewcvs/emacs/src/process.c?cvsroot=emacs&r1=1.594&r2=1.595

Patches:
Index: process.c
===================================================================
RCS file: /sources/emacs/emacs/src/process.c,v
retrieving revision 1.594
retrieving revision 1.595
diff -u -b -r1.594 -r1.595
--- process.c   27 Aug 2009 11:12:54 -0000      1.594
+++ process.c   30 Aug 2009 04:54:34 -0000      1.595
@@ -5150,12 +5150,17 @@
                 It can't hurt.  */
              else if (nread == -1 && errno == EIO)
                {
-                 /* Clear the descriptor now, so we only raise the signal 
once.  */
+                 /* Clear the descriptor now, so we only raise the
+                    signal once.  Don't do this is `process' is only
+                    a pty.  */
+                 if (XPROCESS (proc)->pid != -2)
+                   {
                  FD_CLR (channel, &input_wait_mask);
                  FD_CLR (channel, &non_keyboard_wait_mask);
 
                  kill (getpid (), SIGCHLD);
                }
+               }
 #endif /* HAVE_PTYS */
              /* If we can detect process termination, don't consider the 
process
                 gone just because its pipe is closed.  */