(wait_reading_process_input): Initialize total_read.

Check for read_process_output giving back EIO.

diff --git a/src/process.c b/src/process.c
index 065dacb..5cb882c 100644 (file)
--- a/src/process.c
+++ b/src/process.c
@@ -2337,7 +2337,7 @@ wait_reading_process_input (time_limit, microsecs, read_kbd, do_display)
       if (wait_proc != 0
          && ! EQ (wait_proc->status, Qrun))
        {
-         int nread, total_nread;
+         int nread, total_nread = 0;
 
          clear_waiting_for_input ();
          XSETPROCESS (proc, wait_proc);
@@ -2346,7 +2346,14 @@ wait_reading_process_input (time_limit, microsecs, read_kbd, do_display)
          while (XINT (wait_proc->infd) >= 0
                 && (nread
                     = read_process_output (proc, XINT (wait_proc->infd))))
-           total_nread += nread;
+           {
+              if (0 < nread) 
+                total_nread += nread;
+#ifdef EIO
+             else if (nread == -1 && EIO == errno)
+                break;
+#endif
+           }
          if (total_nread > 0 && do_display)
            redisplay_preserve_echo_area ();