Fix sanitizer build without O_CLOEXEC

Define it to 0 if it doesn't exist.
rust-lang · Jul 12, 2019 · c2f0d9e · c2f0d9e
1 parent fca8a9f
commit c2f0d9e
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diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_posix.cc b/compiler-rt/lib/sanitizer_common/sanitizer_posix.cc
@@ -338,6 +338,9 @@ bool ShouldMockFailureToOpen(const char *path) {
 }
 
 #if SANITIZER_LINUX && !SANITIZER_ANDROID && !SANITIZER_GO
+# ifndef O_CLOEXEC
+#  define O_CLOEXEC 0
+# endif
 int GetNamedMappingFd(const char *name, uptr size, int *flags) {
   if (!common_flags()->decorate_proc_maps || !name)
     return -1;

diff --git a/compiler-rt/lib/xray/xray_x86_64.cc b/compiler-rt/lib/xray/xray_x86_64.cc
@@ -49,6 +49,9 @@ retryingReadSome(int Fd, char *Begin, char *End) XRAY_NEVER_INSTRUMENT {
   return std::make_pair(TotalBytesRead, true);
 }
 
+#ifndef O_CLOEXEC
+# define O_CLOEXEC 0
+#endif
 static bool readValueFromFile(const char *Filename,
                               long long *Value) XRAY_NEVER_INSTRUMENT {
   int Fd = open(Filename, O_RDONLY | O_CLOEXEC);