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Merge pull request #88 from vibe-d/fix_infinite_scheduling_issue

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Fix possible infinite loop in TaskScheduler.process.
merged-on-behalf-of: Sönke Ludwig <s-ludwig@users.noreply.github.com>
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The Dlang Bot 2018-08-26 14:18:28 +02:00 committed by GitHub
parent fae7d3e93d 9b2aa13ef4
commit d8546b843b
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source/vibe/core/task.d
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@ -962,9 +962,29 @@ private struct TaskFiberQueue {
task.m_queue = null; task.m_queue = null;
task.m_prev = null; task.m_prev = null;
task.m_next = null; task.m_next = null;
length--;
} }
} }
unittest {
auto f1 = new TaskFiber;
auto f2 = new TaskFiber;
TaskFiberQueue q;
assert(q.empty && q.length == 0);
q.insertFront(f1);
assert(!q.empty && q.length == 1);
q.insertFront(f2);
assert(!q.empty && q.length == 2);
q.popFront();
assert(!q.empty && q.length == 1);
q.popFront();
assert(q.empty && q.length == 0);
q.insertFront(f1);
q.remove(f1);
assert(q.empty && q.length == 0);
}
private struct FLSInfo { private struct FLSInfo {
void function(void[], size_t) fct; void function(void[], size_t) fct;
size_t offset; size_t offset;