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Diffstat (limited to 'src/os/win32/ngx_files.h')
-rw-r--r--src/os/win32/ngx_files.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/os/win32/ngx_files.h b/src/os/win32/ngx_files.h
index 5aef0b6ef..132b6221b 100644
--- a/src/os/win32/ngx_files.h
+++ b/src/os/win32/ngx_files.h
@@ -27,6 +27,9 @@
#define NGX_FILE_ERROR 0
+/*
+ * FILE_FLAG_BACKUP_SEMANTICS allows to obtain a handle to a directory
+ */
#define ngx_open_file(name, mode, create, access) \
CreateFile((const char *) name, mode, \