yiguolei commented on code in PR #49281:
URL: https://github.com/apache/doris/pull/49281#discussion_r2005371420
##########
be/src/pipeline/dependency.cpp:
##########
@@ -68,32 +68,42 @@ void Dependency::set_ready() {
local_block_task.swap(_blocked_task);
}
for (auto* task : local_block_task) {
- task->wake_up();
+ {
+ std::unique_lock<std::mutex> lc(_task_lock);
+ DCHECK_EQ(task->_blocked_dep, this)
+ << "dep : " << debug_string(0) << "task: " <<
debug_string();
+ task->_blocked_dep = nullptr;
+
THROW_IF_ERROR(task->_state_transition(PipelineTask::State::RUNNABLE));
+ }
+ task->wake_up(this);
}
}
-Dependency* Dependency::is_blocked_by(PipelineTask* task) {
+bool Dependency::is_blocked_by(PipelineTask* task) {
std::unique_lock<std::mutex> lc(_task_lock);
auto ready = _ready.load();
if (!ready && task) {
_add_block_task(task);
+ DCHECK_EQ(task->_blocked_dep, nullptr) << "task: " <<
task->debug_string();
+ task->_blocked_dep = this;
+ start_watcher();
+ THROW_IF_ERROR(task->_state_transition(PipelineTask::State::BLOCKED));
}
- return ready ? nullptr : this;
+ return !ready;
}
-Dependency* QueryGlobalDependency::is_blocked_by(PipelineTask* task) {
+bool QueryGlobalDependency::is_blocked_by(PipelineTask* task) {
if (task && task->wake_up_early()) {
Review Comment:
为啥这里还要判断wakeup early？？？
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