From f2533a8798b0e48c1f811eeffaa81d90ab3aaed9 Mon Sep 17 00:00:00 2001
From: David Chisnall <csdavec@swan.ac.uk>
Date: Wed, 14 Mar 2012 14:10:37 +0000
Subject: [PATCH] Make sure [at_]quick_exit is in std::

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@152717 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/__config | 4 ++++
 include/cstdlib  | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/include/__config b/include/__config
index e0b9582cd..6b2901458 100644
--- a/include/__config
+++ b/include/__config
@@ -245,6 +245,10 @@ typedef __char32_t char32_t;
 #define _LIBCPP_HAS_NO_CONSTEXPR
 #endif
 
+#if __FreeBSD__
+#define _LIBCPP_HAS_QUICK_EXIT
+#endif
+
 #if (__has_feature(cxx_noexcept))
 #  define _NOEXCEPT noexcept
 #  define _NOEXCEPT_(x) noexcept(x)
diff --git a/include/cstdlib b/include/cstdlib
index 1158db2c0..a5c78e982 100644
--- a/include/cstdlib
+++ b/include/cstdlib
@@ -131,6 +131,10 @@ using ::mbtowc;
 using ::wctomb;
 using ::mbstowcs;
 using ::wcstombs;
+#ifdef _LIBCPP_HAS_QUICK_EXIT
+using ::at_quick_exit;
+using ::quick_exit;
+#endif
 
 // MSVC already has the correct prototype in <stdlib.h.h> #ifdef __cplusplus
 #if !defined(_MSC_VER) && !defined(__sun__)