Allow to the the smoothing window size other thatn the default 5%.

[rrdtool.git] / src / rrd_open.c

diff --git a/src/rrd_open.c b/src/rrd_open.c
index b9885aa..70e0ab9 100644 (file)
--- a/src/rrd_open.c
+++ b/src/rrd_open.c
@@ -381,6 +381,9 @@ int rrd_close(
     int       ret;
 
 #ifdef HAVE_MMAP
+    ret = msync(rrd_file->file_start, rrd_file->file_len,MS_ASYNC);
+    if (ret != 0)
+        rrd_set_error("msync rrd_file: %s", rrd_strerror(errno));
     ret = munmap(rrd_file->file_start, rrd_file->file_len);
     if (ret != 0)
         rrd_set_error("munmap rrd_file: %s", rrd_strerror(errno));
@@ -480,7 +483,7 @@ inline ssize_t rrd_write(
     if (count == 0)
        return 0;
     if (buf == NULL)
-       return -1 /* EINVAL */
+       return -1; /* EINVAL */
     memcpy(rrd_file->file_start + rrd_file->pos, buf, count);
     rrd_file->pos += count;
     return count;       /* mimmic write() semantics */