Sara/behaviour-tree-test
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Modernize Thread

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- Based on C++11's `thread` and `thread_local`
- No more need to allocate-deallocate or check for null
- No pointer anymore, just a member variable
- Platform-specific implementations no longer needed (except for the few cases of non-portable functions)
- Simpler for `NO_THREADS`
- Thread ids are now the same across platforms (main is 1; others follow)
This commit is contained in:
Pedro J. Estébanez 2021-01-19 13:29:41 +01:00
parent 6ddfc8e718
commit 99fe462452
87 changed files with 385 additions and 1056 deletions
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16
core/templates/thread_work_pool.cpp
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@ -32,14 +32,15 @@
#include "core/os/os.h"
void ThreadWorkPool::_thread_function(ThreadData *p_thread) {
void ThreadWorkPool::_thread_function(void *p_user) {
ThreadData *thread = static_cast<ThreadData *>(p_user);
while (true) {
p_thread->start.wait();
if (p_thread->exit.load()) {
thread->start.wait();
if (thread->exit.load()) {
break;
}
p_thread->work->work();
p_thread->completed.post();
thread->work->work();
thread->completed.post();
}
}
@ -54,7 +55,7 @@ void ThreadWorkPool::init(int p_thread_count) {
for (uint32_t i = 0; i < thread_count; i++) {
threads[i].exit.store(false);
threads[i].thread = memnew(std::thread(ThreadWorkPool::_thread_function, &threads[i]));
threads[i].thread.start(&ThreadWorkPool::_thread_function, &threads[i]);
}
}
@ -68,8 +69,7 @@ void ThreadWorkPool::finish() {
threads[i].start.post();
}
for (uint32_t i = 0; i < thread_count; i++) {
threads[i].thread->join();
memdelete(threads[i].thread);
threads[i].thread.wait_to_finish();
}
memdelete_arr(threads);