From: ale@biancalanas.net <ale@biancalanas.net>
Date: Fri, 1 May 2015 16:48:30 +0000 (+0000)
Subject: fixes swap plugin on FreeBSD Jail
X-Git-Tag: collectd-5.5.0~12^2~5^2~5
X-Git-Url: https://git.octo.it/?p=collectd.git;a=commitdiff_plain;h=b5230d45188e81ae58c889fa69e7e87b79359482

fixes swap plugin on FreeBSD Jail
---

diff --git a/src/swap.c b/src/swap.c
index 1621f7af..b3aa4f7d 100644
--- a/src/swap.c
+++ b/src/swap.c
@@ -160,6 +160,8 @@ static int swap_init (void) /* {{{ */
 /* #endif defined(VM_SWAPUSAGE) */
 
 #elif HAVE_LIBKVM_GETSWAPINFO
+	char errbuf[1024];
+
 	if (kvm_obj != NULL)
 	{
 		kvm_close (kvm_obj);
@@ -168,14 +170,11 @@ static int swap_init (void) /* {{{ */
 
 	kvm_pagesize = getpagesize ();
 
-	if ((kvm_obj = kvm_open (NULL, /* execfile */
-					NULL, /* corefile */
-					NULL, /* swapfile */
-					O_RDONLY, /* flags */
-					NULL)) /* errstr */
-			== NULL)
+	kvm_obj = kvm_openfiles (NULL, "/dev/null", NULL, O_RDONLY, errbuf);
+
+	if (kvm_obj == NULL)
 	{
-		ERROR ("swap plugin: kvm_open failed.");
+		ERROR ("swap plugin: kvm_open failed, %s", errbuf);
 		return (-1);
 	}
 /* #endif HAVE_LIBKVM_GETSWAPINFO */