AstralTransRocketries/OpenComputers
1
0
Fork 0
mirror of https://github.com/MightyPirates/OpenComputers.git synced 2025-09-12 08:50:04 -04:00
Code Issues Packages Projects Releases Wiki Activity

Should fix potential deadlock when machines get disposed while they're running. Closes #1322.

Browse Source
This commit is contained in:
Florian Nücke 2015-07-25 14:53:57 +02:00
parent 284598d9a2
commit 00da2ee53e
1 changed files with 7 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
src/main/scala/li/cil/oc/server/machine/Machine.scala
View File

@ -835,9 +835,11 @@ class Machine(val host: MachineHost) extends prefab.ManagedEnvironment with mach
true
}
private def close() = state.synchronized(
if (state.isEmpty || state.top != Machine.State.Stopped) {
this.synchronized {
private def close() =
if (state.synchronized(state.isEmpty || state.top != Machine.State.Stopped)) {
// Give up the state lock, then get the more generic lock on this instance first
// before locking on state again. Always must be in that order to avoid deadlocks.
this.synchronized(state.synchronized {
state.clear()
state.push(Machine.State.Stopped)
Option(architecture).foreach(_.close())
@ -846,11 +848,11 @@ class Machine(val host: MachineHost) extends prefab.ManagedEnvironment with mach
cpuTotal = 0
cpuStart = 0
remainIdle = 0
}
})
// Mark state change in owner, to send it to clients.
host.markChanged()
})
}
// ----------------------------------------------------------------------- //