X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fexec.c;h=1f8a9ac0ebfb4a7ccfb933192368630c63cd3844;hb=7f71f1b7a38d7b50af44f403b79aa034b3882f2a;hp=cdcf6adebdba0f886aa2515cb92e7ac9b21a92d7;hpb=e4b8a186516b61f16d94a76db0aa102a3270d46c;p=collectd.git

diff --git a/src/exec.c b/src/exec.c
index cdcf6ade..1f8a9ac0 100644
--- a/src/exec.c
+++ b/src/exec.c
@@ -1,6 +1,8 @@
 /**
  * collectd - src/exec.c
- * Copyright (C) 2007,2008  Florian octo Forster
+ * Copyright (C) 2007-2009  Florian octo Forster
+ * Copyright (C) 2007-2009  Sebastian Harl
+ * Copyright (C) 2008       Peter Holik
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the
@@ -17,8 +19,12 @@
  *
  * Authors:
  *   Florian octo Forster <octo at verplant.org>
+ *   Sebastian Harl <sh at tokkee.org>
+ *   Peter Holik <peter at holik.at>
  **/
 
+#define _BSD_SOURCE /* For setgroups */
+
 #include "collectd.h"
 #include "common.h"
 #include "plugin.h"
@@ -585,7 +591,17 @@ static void *exec_read_one (void *arg) /* {{{ */
         if (errno == EAGAIN || errno == EINTR)  continue;
         break;
       }
-      else if (len == 0) break;  /* We've reached EOF */
+      else if (len == 0)
+      {
+	/* We've reached EOF */
+	NOTICE ("exec plugin: Program `%s' has closed STDERR.",
+	    pl->exec);
+	close (fd_err);
+	FD_CLR (fd_err, &fdset);
+	highest_fd = fd;
+	fd_err = -1;
+	continue;
+      }
 
       pbuffer_err[len] = '\0';
 
@@ -615,6 +631,7 @@ static void *exec_read_one (void *arg) /* {{{ */
     copy = fdset;
   }
 
+  DEBUG ("exec plugin: exec_read_one: Waiting for `%s' to exit.", pl->exec);
   if (waitpid (pl->pid, &status, 0) > 0)
     pl->status = status;
 
@@ -628,7 +645,8 @@ static void *exec_read_one (void *arg) /* {{{ */
   pthread_mutex_unlock (&pl_lock);
 
   close (fd);
-  close (fd_err);
+  if (fd_err >= 0)
+    close (fd_err);
 
   pthread_exit ((void *) 0);
   return (NULL);
@@ -712,7 +730,8 @@ static void *exec_notification_one (void *arg) /* {{{ */
   DEBUG ("exec plugin: Child %i exited with status %i.",
       pid, status);
 
-  plugin_notification_meta_free (n->meta);
+  if (n->meta != NULL)
+    plugin_notification_meta_free (n->meta);
   n->meta = NULL;
   sfree (arg);
   pthread_exit ((void *) 0);