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-rw-r--r--src/process.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/process.c b/src/process.c
index bbf754b971d..eca9c47e582 100644
--- a/src/process.c
+++ b/src/process.c
@@ -2683,6 +2683,7 @@ OPTION is not a supported option, return nil instead; otherwise return t. */)
/* A version of request_sigio suitable for a record_unwind_protect. */
+#ifdef __ultrix__
static Lisp_Object
unwind_request_sigio (dummy)
Lisp_Object dummy;
@@ -2691,6 +2692,7 @@ unwind_request_sigio (dummy)
request_sigio ();
return Qnil;
}
+#endif
/* Create a network stream/datagram client/server process. Treated
exactly like a normal process when reading and writing. Primary