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-rw-r--r--runtime/os.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/runtime/os.h b/runtime/os.h
index 6248d5fc14..befe2e808a 100644
--- a/runtime/os.h
+++ b/runtime/os.h
@@ -35,7 +35,8 @@ class OS {
// Open an existing file with read/write access.
static File* OpenFileReadWrite(const char* name);
- // Create an empty file with read/write access.
+ // Create an empty file with read/write access. This is a *new* file, that is, if the file
+ // already exists, it is *not* overwritten, but unlinked, and a new inode will be used.
static File* CreateEmptyFile(const char* name);
// Open a file with the specified open(2) flags.