plugin.c: Print lt_dlopen() error messages to STDERR as well.

[collectd.git] / src / plugin.c

diff --git a/src/plugin.c b/src/plugin.c
index 36cd80a..e985dac 100644 (file)
--- a/src/plugin.c
+++ b/src/plugin.c
@@ -133,7 +133,7 @@ static int plugin_load_file (char *file)
                const char *error = lt_dlerror ();
 
                ERROR ("lt_dlopen failed: %s", error);
-               DEBUG ("lt_dlopen failed: %s", error);
+               fprintf (stderr, "lt_dlopen failed: %s\n", error);
                return (1);
        }
 
@@ -356,6 +356,10 @@ int plugin_load (const char *type)
                        ret = 0;
                        break;
                }
+               else
+               {
+                       fprintf (stderr, "Unable to load plugin %s.\n", type);
+               }
        }
 
        closedir (dh);
@@ -607,9 +611,14 @@ void plugin_shutdown_all (void)
        while (le != NULL)
        {
                callback = (int (*) (void)) le->value;
-               (*callback) ();
 
+               /* Advance the pointer before calling the callback allows
+                * shutdown functions to unregister themselves. If done the
+                * other way around the memory `le' points to will be freed
+                * after callback returns. */
                le = le->next;
+
+               (*callback) ();
        }
 } /* void plugin_shutdown_all */