add function comment for supportBirthTimeOnLinux

sendaoYan · Jun 16, 2024 · 2c002f5 · 2c002f5
1 parent 42fec73
commit 2c002f5
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/test/jdk/java/nio/file/attribute/BasicFileAttributeView/CreationTime.java b/test/jdk/java/nio/file/attribute/BasicFileAttributeView/CreationTime.java
@@ -72,6 +72,10 @@ private static void setCreationTime(Path file, FileTime time) throws IOException
         view.setTimes(null, null, time);
     }
 
+    /**
+     * read the output of linux command `stat -c "%w" file`, if the output is "-",
+     * then the file system doesn't support birth time 
+     */
     public static boolean supportBirthTimeOnLinux(Path file) {
         try {
             String filePath = file.toAbsolutePath().toString();