Add explanatory comments to filesys tests.

[pintos-anon] / src / tests / filesys / base / child-syn-wrt.c

diff --git a/src/tests/filesys/base/child-syn-wrt.c b/src/tests/filesys/base/child-syn-wrt.c
index 43ca2a33f03d425d12783c7c0fb9ddbf15dd9b70..48f1640e1922602654c624af7652d62a48cd5be4 100644 (file)
--- a/src/tests/filesys/base/child-syn-wrt.c
+++ b/src/tests/filesys/base/child-syn-wrt.c
@@ -1,3 +1,7 @@
+/* Child process for syn-read test.
+   Writes into part of a test file.  Other processes will be
+   writing into other parts at the same time. */
+
 #include <random.h>
 #include <stdlib.h>
 #include <syscall.h>