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Thread pool: reset thread affinity mask

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This commit is contained in:
Nekotekina 2021-01-25 21:50:14 +03:00
parent ee288340b0
commit eb72cc9f04
1 changed files with 9 additions and 4 deletions
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13
Utilities/Thread.cpp
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@ -2083,6 +2083,8 @@ thread_base::native_entry thread_base::finalize(u64 _self) noexcept
thread_ctrl::set_native_priority(0);
thread_ctrl::set_thread_affinity_mask(-1);
static constexpr u64 s_stop_bit = 0x8000'0000'0000'0000ull;
static atomic_t<u64> s_pool_ctr = []
@ -2525,7 +2527,7 @@ u64 thread_ctrl::get_affinity_mask(thread_class group)
if (const auto thread_count = std::thread::hardware_concurrency())
{
const u64 all_cores_mask = get_process_affinity_mask();
const u64 all_cores_mask = process_affinity_mask;
switch (g_native_core_layout)
{
@ -2773,12 +2775,15 @@ void thread_ctrl::set_thread_affinity_mask(u64 mask)
{
#ifdef _WIN32
HANDLE _this_thread = GetCurrentThread();
SetThreadAffinityMask(_this_thread, mask);
if (!SetThreadAffinityMask(_this_thread, mask == umax ? process_affinity_mask : mask))
{
sig_log.error("Failed to set thread affinity 0x%x: error 0x%x.", mask, GetLastError());
}
#elif __APPLE__
// Supports only one core
thread_affinity_policy_data_t policy = { static_cast<integer_t>(std::countr_zero(mask)) };
thread_port_t mach_thread = pthread_mach_thread_np(pthread_self());
thread_policy_set(mach_thread, THREAD_AFFINITY_POLICY, reinterpret_cast<thread_policy_t>(&policy), 1);
thread_policy_set(mach_thread, THREAD_AFFINITY_POLICY, reinterpret_cast<thread_policy_t>(&policy), mask == umax ? 0 : 1);
#elif defined(__linux__) || defined(__DragonFly__) || defined(__FreeBSD__)
cpu_set_t cs;
CPU_ZERO(&cs);
@ -2811,7 +2816,7 @@ void thread_ctrl::set_thread_affinity_mask(u64 mask)
u64 thread_ctrl::get_thread_affinity_mask()
{
#ifdef _WIN32
const u64 res = get_process_affinity_mask();
const u64 res = process_affinity_mask;
if (DWORD_PTR result = SetThreadAffinityMask(GetCurrentThread(), res))
{