From 6fa3e38e5c26820396d11a5a155fc83790d17c72 Mon Sep 17 00:00:00 2001
From: Jeffrey Walton <noloader@gmail.com>
Date: Mon, 17 Feb 2020 14:15:02 -0500
Subject: Restore SIGILL handler if sigprocmask fails We've never encountered
 this case, but better safe then sorry.

---
 sha_simd.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'sha_simd.cpp')

diff --git a/sha_simd.cpp b/sha_simd.cpp
index 419e183b..277c9362 100644
--- a/sha_simd.cpp
+++ b/sha_simd.cpp
@@ -113,7 +113,10 @@ bool CPU_ProbeSHA1()
 
     volatile sigset_t oldMask;
     if (sigprocmask(0, NULLPTR, (sigset_t*)&oldMask))
+    {
+        signal(SIGILL, oldHandler);
         return false;
+    }
 
     if (setjmp(s_jmpSIGILL))
         result = false;
@@ -180,7 +183,10 @@ bool CPU_ProbeSHA256()
 
     volatile sigset_t oldMask;
     if (sigprocmask(0, NULLPTR, (sigset_t*)&oldMask))
+    {
+        signal(SIGILL, oldHandler);
         return false;
+    }
 
     if (setjmp(s_jmpSIGILL))
         result = false;
-- 
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