From 85ad19464871994852372ad5292cc0033fabdf40 Mon Sep 17 00:00:00 2001
From: Markus Armbruster <armbru@pond.sub.org>
Date: Sun, 27 Dec 2020 08:03:25 +0100
Subject: [PATCH] lwp: Drop inappropriate oops in lwpSigWait()

lwpSigWait()'s contract specifies failure, which means oopsing is
wrong.  Harmless, as its only caller empth_wait_for_signal() oopses on
failure.  Drop it anyway.

Signed-off-by: Markus Armbruster <armbru@pond.sub.org>
---
 src/lib/lwp/sig.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/lib/lwp/sig.c b/src/lib/lwp/sig.c
index 190eca9a..eb536131 100644
--- a/src/lib/lwp/sig.c
+++ b/src/lib/lwp/sig.c
@@ -27,7 +27,7 @@
  *  sig.c: Wait for signals
  *
  *  Known contributors to this file:
- *     Markus Armbruster, 2006-2007
+ *     Markus Armbruster, 2006-2020
  */
 
 #include <config.h>
@@ -117,7 +117,7 @@ lwpSigWait(sigset_t *set, int *sig)
 {
     int res;
 
-    if (CANT_HAPPEN(LwpSigWaiter))
+    if (LwpSigWaiter)
 	return EBUSY;
     for (;;) {
 	LwpSigCheck = 0;