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Diffstat (limited to 'xmrstak/backend/cpu/minethd.cpp')
-rw-r--r--xmrstak/backend/cpu/minethd.cpp13
1 files changed, 11 insertions, 2 deletions
diff --git a/xmrstak/backend/cpu/minethd.cpp b/xmrstak/backend/cpu/minethd.cpp
index b41e4a9..1d9165e 100644
--- a/xmrstak/backend/cpu/minethd.cpp
+++ b/xmrstak/backend/cpu/minethd.cpp
@@ -73,7 +73,16 @@ namespace cpu
bool minethd::thd_setaffinity(std::thread::native_handle_type h, uint64_t cpu_id)
{
#if defined(_WIN32)
- return SetThreadAffinityMask(h, 1ULL << cpu_id) != 0;
+ // we can only pin up to 64 threads
+ if(cpu_id < 64)
+ {
+ return SetThreadAffinityMask(h, 1ULL << cpu_id) != 0;
+ }
+ else
+ {
+ printer::inst()->print_msg(L0, "WARNING: Windows supports only affinity up to 63.");
+ return false;
+ }
#elif defined(__APPLE__)
thread_port_t mach_thread;
thread_affinity_policy_data_t policy = { static_cast<integer_t>(cpu_id) };
@@ -309,7 +318,7 @@ std::vector<iBackend*> minethd::thread_starter(uint32_t threadOffset, miner_work
if(cfg.iCpuAff >= 0)
{
#if defined(__APPLE__)
- printer::inst()->print_msg(L1, "WARNING on MacOS thread affinity is only advisory.");
+ printer::inst()->print_msg(L1, "WARNING on macOS thread affinity is only advisory.");
#endif
printer::inst()->print_msg(L1, "Starting %dx thread, affinity: %d.", cfg.iMultiway, (int)cfg.iCpuAff);
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