From 03eb46be1b95bf1eaeb33aa169b9689a0b3004ac Mon Sep 17 00:00:00 2001
From: Leandro Pereira <leandro@hardinfo.org>
Date: Sun, 15 Jan 2012 19:03:48 -0200
Subject: Allocate/deallocate sensor labels/compute hash table only once

---
 includes/devices.h        |  2 ++
 modules/devices.c         |  2 ++
 modules/devices/sensors.c | 17 +++++++++++++----
 3 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/includes/devices.h b/includes/devices.h
index 7aee42bf..2452d914 100644
--- a/includes/devices.h
+++ b/includes/devices.h
@@ -61,6 +61,8 @@ void scan_printers_do(void);
 
 /* Sensors */
 void scan_sensors_do(void);
+void sensors_init(void);
+void sensors_shutdown(void);
 
 #ifdef ARCH_x86
 /* SPD */
diff --git a/modules/devices.c b/modules/devices.c
index b7286f8a..a8f990ed 100644
--- a/modules/devices.c
+++ b/modules/devices.c
@@ -448,10 +448,12 @@ void hi_module_init(void)
     moreinfo = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_free);
     init_memory_labels();
     init_cups();
+    sensors_init();
 }
 
 void hi_module_deinit(void)
 {
+    sensors_shutdown();
     g_hash_table_destroy(moreinfo);
     g_hash_table_destroy(memlabels);
     g_module_close(cups);
diff --git a/modules/devices/sensors.c b/modules/devices/sensors.c
index e93668f0..1469c13e 100644
--- a/modules/devices/sensors.c
+++ b/modules/devices/sensors.c
@@ -34,10 +34,6 @@ static void read_sensor_labels(gchar * driver)
     gboolean lock = FALSE;
     gint i;
 
-    sensor_labels = g_hash_table_new_full(g_str_hash, g_str_equal,
-					  g_free, g_free);
-    sensor_compute = g_hash_table_new(g_str_hash, g_str_equal);
-
     /* Try to open lm-sensors config file sensors3.conf */
     conf = fopen("/etc/sensors3.conf", "r");
 
@@ -395,3 +391,16 @@ void scan_sensors_do(void)
 
     /* FIXME: Add support for  ibm acpi and more sensors */
 }
+
+void sensors_init(void)
+{
+    sensor_labels = g_hash_table_new_full(g_str_hash, g_str_equal,
+					  g_free, g_free);
+    sensor_compute = g_hash_table_new(g_str_hash, g_str_equal);
+}
+
+void sensors_shutdown(void)
+{
+    g_hash_table_destroy(sensor_labels);
+    g_hash_table_destroy(sensor_compute);
+}
-- 
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