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-rw-r--r--tests/test-nonblocking-pipe.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/tests/test-nonblocking-pipe.h b/tests/test-nonblocking-pipe.h
index 6adb3533d0..9141c60afd 100644
--- a/tests/test-nonblocking-pipe.h
+++ b/tests/test-nonblocking-pipe.h
@@ -31,10 +31,11 @@
OSF/1 >= 262145
Solaris <= 7 >= 10241
Solaris >= 8 >= 20481
+ z/OS >= 131073
Cygwin >= 65537
native Windows >= 4097 (depends on the _pipe argument)
*/
-#if defined __osf__ || (defined __linux__ && (defined __ia64__ || defined __mips__))
+#if defined __MVS__ || defined __osf__ || (defined __linux__ && (defined __ia64__ || defined __mips__))
# define PIPE_DATA_BLOCK_SIZE 270000
#elif defined __linux__ && defined __sparc__
# define PIPE_DATA_BLOCK_SIZE 140000