Terminal: Make sure devpts is mounted on Kobo (#8998)

* Terminal: Make sure devpts is mounted on Kobo

Fix #8986

plugins/autosuspend.koplugin/main.lua

@@ -195,13 +195,15 @@ function AutoSuspend:_schedule_standby()
     end
 
     -- When we're in a state where entering suspend is undesirable, we simply postpone the check by the full delay.
-    local standby_delay = self.auto_standby_timeout_seconds
+    local standby_delay
     if NetworkMgr:isWifiOn() then
         -- Don't enter standby if wifi is on, as this will break in fun and interesting ways (from Wi-Fi issues to kernel deadlocks).
         --logger.dbg("AutoSuspend: WiFi is on, delaying standby")
+        standby_delay = self.auto_standby_timeout_seconds
     elseif Device.powerd:isCharging() and not Device:canPowerSaveWhileCharging() then
         -- Don't enter standby when charging on devices where charging prevents entering low power states.
         --logger.dbg("AutoSuspend: charging, delaying standby")
+        standby_delay = self.auto_standby_timeout_seconds
     else
         local now_tv = UIManager:getElapsedTimeSinceBoot()
         standby_delay = self.auto_standby_timeout_seconds - (now_tv - self.last_action_tv):tonumber()

plugins/terminal.koplugin/main.lua

@@ -25,6 +25,15 @@ int tcflush(int fd, int queue_selector) __attribute__((nothrow, leaf));
 ]]
 
 local function check_prerequisites()
+    -- We of course need to be able to manipulate pseudoterminals,
+    -- but Kobo's init scripts fail to set this up...
+    if Device:isKobo() then
+        os.execute([[if [ ! -d "/dev/pts" ] ; then
+            mkdir -p /dev/pts
+            mount -t devpts devpts /dev/pts
+            fi]])
+    end
+
     local ptmx = C.open("/dev/ptmx", bit.bor(C.O_RDWR, C.O_NONBLOCK, C.O_CLOEXEC))
     if ptmx == -1 then
         logger.warn("Terminal: can not open /dev/ptmx:", ffi.string(C.strerror(ffi.errno())))