* xterm.c (XTread_socket): Turn off ControlMask for XLookupString.

[gnu-emacs] / src / process.c

diff --git a/src/process.c b/src/process.c
index 2c3ad252a68a1eea56f1b913b0fe88e58bfad829..f383c95511af0a850c95691c5e08900d3c598001 100644 (file)
--- a/src/process.c
+++ b/src/process.c
@@ -1841,9 +1841,15 @@ wait_reading_process_input (time_limit, microsecs, read_kbd, do_display)
          else
            error("select error: %s", sys_errlist[xerrno]);
        }
-#ifdef sun
+#if defined(sun) && !defined(USG5_4)
       else if (nfds > 0 && FD_ISSET (0, &Available) && interrupt_input)
-       /* System sometimes fails to deliver SIGIO.  */
+       /* System sometimes fails to deliver SIGIO.
+
+          David J. Mackenzie says that Emacs doesn't compile under
+          Solaris if this code is enabled, thus the USG5_4 in the CPP
+          conditional.  "I haven't noticed any ill effects so far.
+          If you find a Solaris expert somewhere, they might know
+          better." */
        kill (getpid (), SIGIO);
 #endif