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Atomic waiting refactoring (#9208)

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* Use atomic waitables instead instead of global thread wait as often as possible.
* Add ::is_stopped() and and ::is_paued() which can be used in atomic loops and with atomic wait. (constexpr cpu flags test functions)
* Fix notification bug of sys_spu_thread_group_exit/terminate. (old bug, enhanced by #9117)
* Function time statistics at Emu.Stop() restored. (instead of current "X syscall failed with 0x00000000 : 0")
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Eladash 2021-02-13 16:50:07 +02:00 • committed by GitHub
parent cf384795d2
commit f43260bd58
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40 changed files with 375 additions and 234 deletions
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6
Utilities/Thread.cpp
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@ -1529,14 +1529,14 @@ bool handle_access_violation(u32 addr, bool is_writing, x64_context* context) no
else
{
// Wait until the thread is recovered
while (!cpu->state.test_and_reset(cpu_flag::signal))
while (auto state = cpu->state.fetch_sub(cpu_flag::signal))
{
if (cpu->is_stopped())
if (is_stopped(state) || state & cpu_flag::signal)
{
break;
}
thread_ctrl::wait();
thread_ctrl::wait_on(cpu->state, state);
}
}