X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Frrd.h;h=b40251f5cadd78a60ab2090d146b049706a401e6;hb=c05cbd882ff8c3f9bdd1099cf5cb42ac08fae7a6;hp=5542a424db7211e3186d49dac782bcaea618a5eb;hpb=9e6dd6a7c7768d90a8f62d7379d3dfa361e3ad7f;p=rrdtool.git

diff --git a/src/rrd.h b/src/rrd.h
index 5542a42..b40251f 100644
--- a/src/rrd.h
+++ b/src/rrd.h
@@ -79,13 +79,22 @@ extern    "C" {
 
 /* information about an rrd file */
     typedef struct rrd_file_t {
-        int       fd;   /* file descriptor if this rrd file */
-        char     *file_start;   /* start address of an open rrd file */
         off_t     header_len;   /* length of the header of this rrd file */
         off_t     file_len; /* total size of the rrd file */
         off_t     pos;  /* current pos in file */
+        void      *pvt;
     } rrd_file_t;
 
+/* information used for the conventional file access methods */
+    typedef struct rrd_simple_file_t {
+        int       fd;  /* file descriptor of this rrd file */
+#ifdef HAVE_MMAP
+        char     *file_start;   /* start address of an open rrd file */
+        int       mm_prot;
+        int       mm_flags;
+#endif
+    } rrd_simple_file_t;
+
 /* rrd info interface */
     typedef struct rrd_blob_t {
         unsigned long size; /* size of the blob */