From da2a16f702efe3307d407d5c6db6c8c18ef6bd9b Mon Sep 17 00:00:00 2001
From: Fangrui Song <i@maskray.me>
Date: Fri, 11 Feb 2022 15:23:18 -0800
Subject: [PATCH] [tsan] Make __fxstat code path glibc only

This fixes Linux musl build after D118423.
---
 compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp b/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp
index 999be79c6418..ea99c3843075 100644
--- a/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp
+++ b/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp
@@ -1554,16 +1554,16 @@ TSAN_INTERCEPTOR(int, __fxstat, int version, int fd, void *buf) {
 #endif
 
 TSAN_INTERCEPTOR(int, fstat, int fd, void *buf) {
-#if SANITIZER_FREEBSD || SANITIZER_MAC || SANITIZER_ANDROID || SANITIZER_NETBSD
-  SCOPED_TSAN_INTERCEPTOR(fstat, fd, buf);
+#if SANITIZER_GLIBC
+  SCOPED_TSAN_INTERCEPTOR(__fxstat, 0, fd, buf);
   if (fd > 0)
     FdAccess(thr, pc, fd);
-  return REAL(fstat)(fd, buf);
+  return REAL(__fxstat)(0, fd, buf);
 #else
-  SCOPED_TSAN_INTERCEPTOR(__fxstat, 0, fd, buf);
+  SCOPED_TSAN_INTERCEPTOR(fstat, fd, buf);
   if (fd > 0)
     FdAccess(thr, pc, fd);
-  return REAL(__fxstat)(0, fd, buf);
+  return REAL(fstat)(fd, buf);
 #endif
 }
 
-- 
2.35.1.723.g4982287a31-goog