blob: 2ac44205459dab9ac0f73ac4b276c36ed040ef8d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
From 798588a480eaae50368bed75fc78f8314523b2a3 Mon Sep 17 00:00:00 2001
From: Richard Hughes <richard@hughsie.com>
Date: Sun, 23 Apr 2017 20:22:02 +0100
Subject: Do not spin in a loop when /proc/timer_stats cannot be written
Only set up the polling once the write has succeeded.
Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=100626
diff --git a/src/up-wakeups.c b/src/up-wakeups.c
index 1bc3c7b..99433dd 100644
--- a/src/up-wakeups.c
+++ b/src/up-wakeups.c
@@ -626,6 +626,13 @@ up_wakeups_timerstats_enable (UpWakeups *wakeups)
g_debug ("enabling timer stats");
+ /* enable timer stats */
+ file = fopen (UP_WAKEUPS_SOURCE_USERSPACE, "w");
+ if (file == NULL)
+ return FALSE;
+ fprintf (file, "1\n");
+ fclose (file);
+
/* setup polls */
wakeups->priv->poll_kernel_id =
g_timeout_add_seconds (UP_WAKEUPS_POLL_INTERVAL_KERNEL,
@@ -637,11 +644,6 @@ up_wakeups_timerstats_enable (UpWakeups *wakeups)
(GSourceFunc) up_wakeups_poll_userspace_cb, wakeups);
g_source_set_name_by_id (wakeups->priv->poll_userspace_id, "[upower] up_wakeups_poll_userspace_cb");
- file = fopen (UP_WAKEUPS_SOURCE_USERSPACE, "w");
- if (file == NULL)
- return FALSE;
- fprintf (file, "1\n");
- fclose (file);
wakeups->priv->polling_enabled = TRUE;
return TRUE;
}
--
cgit v0.10.2
|