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Thread pool: try to fix resetting affinity mask

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Attempt to address #9657
This commit is contained in:
Nekotekina 2021-01-26 16:45:36 +03:00
parent eb72cc9f04
commit f10ea1fb9b
1 changed files with 9 additions and 3 deletions
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12
Utilities/Thread.cpp
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@ -2083,7 +2083,7 @@ thread_base::native_entry thread_base::finalize(u64 _self) noexcept
thread_ctrl::set_native_priority(0);
thread_ctrl::set_thread_affinity_mask(-1);
thread_ctrl::set_thread_affinity_mask(0);
static constexpr u64 s_stop_bit = 0x8000'0000'0000'0000ull;
@ -2775,7 +2775,7 @@ void thread_ctrl::set_thread_affinity_mask(u64 mask)
{
#ifdef _WIN32
HANDLE _this_thread = GetCurrentThread();
if (!SetThreadAffinityMask(_this_thread, mask == umax ? process_affinity_mask : mask))
if (!SetThreadAffinityMask(_this_thread, !mask ? process_affinity_mask : mask))
{
sig_log.error("Failed to set thread affinity 0x%x: error 0x%x.", mask, GetLastError());
}
@ -2783,8 +2783,14 @@ void thread_ctrl::set_thread_affinity_mask(u64 mask)
// 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), mask == umax ? 0 : 1);
thread_policy_set(mach_thread, THREAD_AFFINITY_POLICY, reinterpret_cast<thread_policy_t>(&policy), !mask ? 0 : 1);
#elif defined(__linux__) || defined(__DragonFly__) || defined(__FreeBSD__)
if (!mask)
{
// Reset affinity mask
mask = process_affinity_mask;
}
cpu_set_t cs;
CPU_ZERO(&cs);