mirror of
https://github.com/YosysHQ/yosys
synced 2025-09-11 20:21:26 +00:00
9f0d5d1aca
Provides very simple ConcurrentQueue and ThreadPool classes that build even when threading is disabled. Also provides a `DeferredLogs` class that captures log output to be replayed on the main thread later.
45 lines
978 B
C++
45 lines
978 B
C++
#include "kernel/yosys_common.h"
|
|
#include "kernel/threading.h"
|
|
|
|
YOSYS_NAMESPACE_BEGIN
|
|
|
|
void DeferredLogs::flush()
|
|
{
|
|
for (auto &m : logs)
|
|
if (m.error)
|
|
YOSYS_NAMESPACE_PREFIX log_error("%s", m.text.c_str());
|
|
else
|
|
YOSYS_NAMESPACE_PREFIX log("%s", m.text.c_str());
|
|
}
|
|
|
|
int ThreadPool::pool_size(int reserved_cores, int max_threads)
|
|
{
|
|
#ifdef YOSYS_ENABLE_THREADS
|
|
int num_threads = std::min<int>(std::thread::hardware_concurrency() - reserved_cores, max_threads);
|
|
return std::max(0, num_threads);
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
ThreadPool::ThreadPool(int pool_size, std::function<void(int)> b)
|
|
: body(std::move(b))
|
|
{
|
|
#ifdef YOSYS_ENABLE_THREADS
|
|
threads.reserve(pool_size);
|
|
for (int i = 0; i < pool_size; i++)
|
|
threads.emplace_back([i, this]{ body(i); });
|
|
#else
|
|
log_assert(pool_size == 0);
|
|
#endif
|
|
}
|
|
|
|
ThreadPool::~ThreadPool()
|
|
{
|
|
#ifdef YOSYS_ENABLE_THREADS
|
|
for (auto &t : threads)
|
|
t.join();
|
|
#endif
|
|
}
|
|
|
|
YOSYS_NAMESPACE_END
|