Simplify vss_status_tohuman() and add a comment.

diff --git a/command.c b/command.c
index b63eef040994e8b26e78c2ca868eccb5984e580f..b3d9855fea4488dbb1f8cfd2b70235d668134d47 100644 (file)
--- a/command.c
+++ b/command.c
@@ -61,17 +61,20 @@ static void mmd_dup(struct misc_meta_data *new_mmd)
 }
 
 /*
- * compute human readable string containing
- * vss status for given integer value
+ * Compute human readable string containing vss status for given integer value.
+ *
+ * We don't want to use vss_playing() and friends here because we take a
+ * snapshot of the mmd struct and use the copy for computing the state of the
+ * vss. If the real data were used, we would take the mmd lock for a rather
+ * long time or risk to get an inconsistent view.
  */
 static char *vss_status_tohuman(unsigned int flags)
 {
        if (flags & VSS_PLAYING)
                return para_strdup("playing");
-       else if (flags & VSS_NEXT)
+       if (flags & VSS_NEXT)
                return para_strdup("stopped");
-       else
-               return para_strdup("paused");
+       return para_strdup("paused");
 }
 
 /*