From 1dc838717a294ed7bfd7d597d427886ce61df122 Mon Sep 17 00:00:00 2001
From: Dmitry Vyukov <dvyukov@google.com>
Date: Wed, 12 May 2021 08:54:34 +0200
Subject: [PATCH] tsan: fix syscall test on aarch64

Add missing includes and use SYS_pipe2 instead of SYS_pipe
as it's not present on some arches.

Differential Revision: https://reviews.llvm.org/D102311
---
 compiler-rt/test/tsan/Linux/syscall.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/compiler-rt/test/tsan/Linux/syscall.h b/compiler-rt/test/tsan/Linux/syscall.h
index ccbc0d4..2d0a854 100644
--- a/compiler-rt/test/tsan/Linux/syscall.h
+++ b/compiler-rt/test/tsan/Linux/syscall.h
@@ -1,4 +1,6 @@
+#include <fcntl.h>
 #include <sanitizer/linux_syscall_hooks.h>
+#include <signal.h>
 #include <sys/syscall.h>
 #include <sys/types.h>
 #include <unistd.h>
@@ -16,7 +18,7 @@ int myfork() {
 
 int mypipe(int pipefd[2]) {
   __sanitizer_syscall_pre_pipe(pipefd);
-  int res = syscall(SYS_pipe, pipefd);
+  int res = syscall(SYS_pipe2, pipefd, 0);
   __sanitizer_syscall_post_pipe(res, pipefd);
   return res;
 }
-- 
2.7.4