From: Andre Noll <maan@systemlinux.org>
Date: Sat, 12 Apr 2008 17:34:04 +0000 (+0200)
Subject: Simplify vss_status_tohuman() and add a comment.
X-Git-Tag: v0.3.3~75
X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=commitdiff_plain;h=9902762e74e41165dfa18606411cef86ac7afd5d

Simplify vss_status_tohuman() and add a comment.
---

diff --git a/command.c b/command.c
index b63eef04..b3d9855f 100644
--- 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");
 }
 
 /*