Fix riscv64 build.

These functions were obsolete when they were added, have never been
exposed in our headers, and aren't available on riscv64.

Test: mm -j
Change-Id: Iad7d9178ea50d2e84519f2c4522cfbefe38c45fa

1 files changed, 3 insertions, 5 deletions

diff --git a/sigchainlib/sigchain_test.cc b/sigchainlib/sigchain_test.cc
index d8ff4d58a2..3a68381117 100644
--- a/sigchainlib/sigchain_test.cc
+++ b/sigchainlib/sigchain_test.cc
@@ -190,25 +190,23 @@ TEST_F(SigchainTest, sighold) {
   });
 }
 
-#if defined(__BIONIC__)
+#if !defined(__riscv)
 // Not exposed via headers, but the symbols are available if you declare them yourself.
 extern "C" int sigblock(int);
-extern "C" int sigsetmask(int);
-#endif
-
 TEST_F(SigchainTest, sigblock) {
   TestSignalBlocking([]() {
     int mask = ~0U;
     ASSERT_EQ(0, sigblock(mask));
   });
 }
-
+extern "C" int sigsetmask(int);
 TEST_F(SigchainTest, sigsetmask) {
   TestSignalBlocking([]() {
     int mask = ~0U;
     ASSERT_EQ(0, sigsetmask(mask));
   });
 }
+#endif
 
 #endif