diff options
Diffstat (limited to 'src/buildtool/multithreading/task_system.cpp')
-rw-r--r-- | src/buildtool/multithreading/task_system.cpp | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/src/buildtool/multithreading/task_system.cpp b/src/buildtool/multithreading/task_system.cpp index 8c976a2f..4af57d0d 100644 --- a/src/buildtool/multithreading/task_system.cpp +++ b/src/buildtool/multithreading/task_system.cpp @@ -7,9 +7,9 @@ TaskSystem::TaskSystem() : TaskSystem(std::thread::hardware_concurrency()) {} TaskSystem::TaskSystem(std::size_t number_of_threads) : thread_count_{std::max(1UL, number_of_threads)}, - num_threads_running_{thread_count_} { + total_workload_{thread_count_} { for (std::size_t index = 0; index < thread_count_; ++index) { - queues_.emplace_back(&queues_read_, &num_threads_running_); + queues_.emplace_back(&total_workload_); } for (std::size_t index = 0; index < thread_count_; ++index) { threads_.emplace_back([&, index]() { Run(index); }); @@ -19,11 +19,10 @@ TaskSystem::TaskSystem(std::size_t number_of_threads) TaskSystem::~TaskSystem() { // When starting a new task system all spawned threads will immediately go // to sleep and wait for tasks. Even after adding some tasks, it can take a - // while until the first thread wakes up. Therefore, we first need to wait - // for the queues being read, before we can wait for all threads to become - // idle. - queues_read_.WaitForSet(); - num_threads_running_.WaitForZero(); + // while until the first thread wakes up. Therefore, we need to wait for the + // total workload (number of active threads _and_ total number of queued + // tasks) to become zero. + total_workload_.WaitForZero(); for (auto& q : queues_) { q.done(); } |