revert O_CLOEXEC patch series completely.

because boron chkbuild test result says, An old linux kernel ignore O_CLOEXEC
silently instead of return an error. It may lead to bring new security risk.
So, we have to be pending it until finish to implement proper fallback logic.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31643 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 0 insertions, 4 deletions

diff --git a/io.c b/io.c
index 925bfd4ea0..154a01943b 100644
--- a/io.c
+++ b/io.c
@@ -10573,10 +10573,6 @@ Init_IO(void)
     /*  Try to minimize cache effects of the I/O to and from this file. */
     rb_file_const("DIRECT", INT2FIX(O_DIRECT));
 #endif
-#ifdef O_CLOEXEC
-    /* enable close-on-exec flag */
-    rb_file_const("CLOEXEC", INT2FIX(O_CLOEXEC)); /* Linux, POSIX-2008. */
-#endif
 
     sym_mode = ID2SYM(rb_intern("mode"));
     sym_perm = ID2SYM(rb_intern("perm"));