[libcxx-commits] [libcxx] 62705ee - [SystemZ][z/OS] Define _LIBCPP_ELAST

[Muiez Ahmed via libcxx-commits]

Author: Muiez Ahmed
Date: 2021-03-15T09:23:36-04:00
New Revision: 62705ee012578584b83e94a2dc9788c332f53a66

URL: https://github.com/llvm/llvm-project/commit/62705ee012578584b83e94a2dc9788c332f53a66
DIFF: https://github.com/llvm/llvm-project/commit/62705ee012578584b83e94a2dc9788c332f53a66.diff

LOG: [SystemZ][z/OS] Define _LIBCPP_ELAST

The aim is to define _LIBCPP_ELAST for z/OS libc++ since strerror/strerror_r can't handle out-of-range errno values.

Differential Revision: https://reviews.llvm.org/D98541

Added: 
    

Modified: 
    libcxx/src/include/config_elast.h

Removed: 
    


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diff  --git a/libcxx/src/include/config_elast.h b/libcxx/src/include/config_elast.h
index 3113f9fb5cd1..366292b1939a 100644
--- a/libcxx/src/include/config_elast.h
+++ b/libcxx/src/include/config_elast.h
@@ -35,6 +35,8 @@
 // No _LIBCPP_ELAST needed on Apple
 #elif defined(__sun__)
 #define _LIBCPP_ELAST ESTALE
+#elif defined(__MVS__)
+#define _LIBCPP_ELAST 1160
 #elif defined(_LIBCPP_MSVCRT_LIKE)
 #define _LIBCPP_ELAST (_sys_nerr - 1)
 #else