From 22c56d292e340b5e588a518d716308a339af1eda Mon Sep 17 00:00:00 2001
From: tycho garen <garen@tychoish.com>
Date: Wed, 22 Feb 2017 08:46:23 -0500
Subject: [PATCH] close open files

---
 host/host_darwin.go             | 1 +
 host/host_freebsd.go            | 3 +++
 host/host_linux.go              | 1 +
 host/host_openbsd.go            | 2 ++
 internal/common/common_linux.go | 2 +-
 process/process_posix.go        | 2 ++
 6 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/host/host_darwin.go b/host/host_darwin.go
index bbd134f..7b68d74 100644
--- a/host/host_darwin.go
+++ b/host/host_darwin.go
@@ -104,6 +104,7 @@ func Users() ([]UserStat, error) {
 	if err != nil {
 		return ret, err
 	}
+	defer file.Close()
 
 	buf, err := ioutil.ReadAll(file)
 	if err != nil {
diff --git a/host/host_freebsd.go b/host/host_freebsd.go
index 74137cb..d8bd6fc 100644
--- a/host/host_freebsd.go
+++ b/host/host_freebsd.go
@@ -112,6 +112,7 @@ func Users() ([]UserStat, error) {
 	if err != nil {
 		return ret, err
 	}
+	defer file.Close()
 
 	buf, err := ioutil.ReadAll(file)
 	if err != nil {
@@ -180,6 +181,8 @@ func getUsersFromUtmp(utmpfile string) ([]UserStat, error) {
 	if err != nil {
 		return ret, err
 	}
+	defer file.Close()
+
 	buf, err := ioutil.ReadAll(file)
 	if err != nil {
 		return ret, err
diff --git a/host/host_linux.go b/host/host_linux.go
index a34c67d..70d8ca2 100644
--- a/host/host_linux.go
+++ b/host/host_linux.go
@@ -131,6 +131,7 @@ func Users() ([]UserStat, error) {
 	if err != nil {
 		return nil, err
 	}
+	defer file.Close()
 
 	buf, err := ioutil.ReadAll(file)
 	if err != nil {
diff --git a/host/host_openbsd.go b/host/host_openbsd.go
index e533d86..60d46e0 100644
--- a/host/host_openbsd.go
+++ b/host/host_openbsd.go
@@ -123,6 +123,8 @@ func Users() ([]UserStat, error) {
 	if err != nil {
 		return ret, err
 	}
+	defer file.Close()
+
 	buf, err := ioutil.ReadAll(file)
 	if err != nil {
 		return ret, err
diff --git a/internal/common/common_linux.go b/internal/common/common_linux.go
index 9568106..3d0fc50 100644
--- a/internal/common/common_linux.go
+++ b/internal/common/common_linux.go
@@ -33,9 +33,9 @@ func NumProcs() (uint64, error) {
 	if err != nil {
 		return 0, err
 	}
+	defer f.Close()
 
 	list, err := f.Readdir(-1)
-	defer f.Close()
 	if err != nil {
 		return 0, err
 	}
diff --git a/process/process_posix.go b/process/process_posix.go
index ef4b676..b22a72d 100644
--- a/process/process_posix.go
+++ b/process/process_posix.go
@@ -40,6 +40,8 @@ func getTerminalMap() (map[uint64]string, error) {
 			return nil, err
 		}
 	}
+	defer ptsd.Close()
+
 	if ptsnames == nil {
 		defer ptsd.Close()
 		ptsnames, err = ptsd.Readdirnames(-1)