From 3c61aab98b22d5224adad020788f8f656f528f66 Mon Sep 17 00:00:00 2001
From: usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 14 Nov 2016 18:58:23 +0000
Subject: merge revision(s) 56559,56582,56584,56585: [Backport #12903]

	* test/ruby/test_file.rb (TestFile#test_stat): fix noatime case.
	  [ruby-core:77943] [Bug #12903]

	* ext/-test/file/fs.c (get_atime_p): Updating of file access times
	  is enabled or not.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@56789 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/-test-/file/extconf.rb |  1 +
 ext/-test-/file/fs.c       | 28 ++++++++++++++++++++++++++++
 2 files changed, 29 insertions(+)

(limited to 'ext')

diff --git a/ext/-test-/file/extconf.rb b/ext/-test-/file/extconf.rb
index 87a2f4a205..44aa828b25 100644
--- a/ext/-test-/file/extconf.rb
+++ b/ext/-test-/file/extconf.rb
@@ -4,6 +4,7 @@ headers = %w[sys/param.h sys/mount.h sys/vfs.h].select {|h| have_header(h)}
 if have_type("struct statfs", headers)
   have_struct_member("struct statfs", "f_fstypename", headers)
   have_struct_member("struct statfs", "f_type", headers)
+  have_struct_member("struct statfs", "f_flags", headers)
 end
 
 headers = %w[sys/statvfs.h].select {|h| have_header(h)}
diff --git a/ext/-test-/file/fs.c b/ext/-test-/file/fs.c
index d93ce27945..657a7d20a5 100644
--- a/ext/-test-/file/fs.c
+++ b/ext/-test-/file/fs.c
@@ -33,6 +33,12 @@ typedef struct statvfs statfs_t;
 # if defined HAVE_STRUCT_STATVFS_F_TYPE
 #   define HAVE_STRUCT_STATFS_T_F_TYPE 1
 # endif
+#elif defined(HAVE_STRUCT_STATFS_F_TYPE) /* Linux */
+typedef struct statfs statfs_t;
+# define STATFS(f, s) statfs((f), (s))
+# if defined HAVE_STRUCT_STATFS_F_TYPE
+#   define HAVE_STRUCT_STATFS_T_F_TYPE 1
+# endif
 #endif
 
 VALUE
@@ -69,9 +75,31 @@ get_fsname(VALUE self, VALUE str)
     return Qnil;
 }
 
+VALUE
+get_noatime_p(VALUE self, VALUE str)
+{
+#ifdef STATFS
+    statfs_t st;
+    FilePathValue(str);
+    str = rb_str_encode_ospath(str);
+    if (STATFS(StringValueCStr(str), &st) == -1) {
+       rb_sys_fail_str(str);
+    }
+# ifdef HAVE_STRUCT_STATFS_F_FLAGS
+#  ifdef MNT_NOATIME
+    return st.f_flags & MNT_NOATIME ? Qtrue : Qfalse;
+#  elif defined(ST_NOATIME)
+    return st.f_flags & ST_NOATIME ? Qtrue : Qfalse;
+#  endif
+# endif
+#endif
+    return Qnil;
+}
+
 void
 Init_fs(VALUE module)
 {
     VALUE fs = rb_define_module_under(module, "Fs");
     rb_define_module_function(fs, "fsname", get_fsname, 1);
+    rb_define_module_function(fs, "noatime?", get_noatime_p, 1);
 }
-- 
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