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Avoid possible dangling objects referenced by timer callback delegates. Fixes #2.

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This commit is contained in:
Sönke Ludwig 2016-12-18 19:39:17 +01:00
parent a80c8bd18c
commit 2acf44596a
1 changed files with 8 additions and 1 deletions
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9
source/eventcore/drivers/timer.d
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@ -15,6 +15,7 @@ final class LoopTimeoutTimerDriver : EventDriverTimers {
import std.datetime : Clock;
import std.range : SortedRange, assumeSorted, take;
import core.time : hnsecs, Duration;
import core.memory : GC;
private {
static FreeList!(Mallocator, TimerSlot.sizeof) ms_allocator;
@ -84,6 +85,7 @@ final class LoopTimeoutTimerDriver : EventDriverTimers {
TimerSlot* tm;
try tm = ms_allocator.make!TimerSlot;
catch (Exception e) return TimerID.invalid;
GC.addRange(tm, TimerSlot.sizeof, typeid(TimerSlot));
assert(tm !is null);
tm.id = id;
tm.refCount = 1;
@ -167,7 +169,12 @@ final class LoopTimeoutTimerDriver : EventDriverTimers {
if (!--tm.refCount) {
if (tm.pending) stop(tm.id);
m_timers.remove(descriptor);
() @trusted { scope (failure) assert(false); ms_allocator.dispose(tm); } ();
() @trusted {
scope (failure) assert(false);
ms_allocator.dispose(tm);
GC.removeRange(tm);
} ();
return false;
}