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Linux: use futex_waitv syscall for atomic waiting

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In order to make this possible, some unnecessary features were removed.
This commit is contained in:
Ivan Chikish 2023-07-31 23:57:26 +03:00 • committed by Ivan
parent 831a9fe012
commit d34287b2cc
51 changed files with 441 additions and 574 deletions
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11
rpcs3/Emu/CPU/CPUThread.cpp
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@ -261,7 +261,7 @@ struct cpu_prof
if (threads.empty())
{
// Wait for messages if no work (don't waste CPU)
thread_ctrl::wait_on(registered, nullptr);
thread_ctrl::wait_on(registered);
continue;
}
@ -939,7 +939,7 @@ bool cpu_thread::check_state() noexcept
else
{
// TODO: fix the workaround
g_suspend_counter.wait(ctr, -4, atomic_wait_timeout{100});
g_suspend_counter.wait(ctr, atomic_wait_timeout{10'000});
}
}
else
@ -972,8 +972,7 @@ bool cpu_thread::check_state() noexcept
}
// Short sleep when yield flag is present alone (makes no sense when other methods which can stop thread execution have been done)
// Pass a mask of a single bit which is often unused to avoid notifications
s_dummy_atomic.wait(0, 1u << 30, atomic_wait_timeout{80'000});
s_dummy_atomic.wait(0, atomic_wait_timeout{80'000});
}
}
}
@ -1010,13 +1009,13 @@ cpu_thread& cpu_thread::operator=(thread_state)
if (old & cpu_flag::wait && old.none_of(cpu_flag::again + cpu_flag::exit))
{
state.notify_one(cpu_flag::exit);
state.notify_one();
if (auto thread = try_get<spu_thread>())
{
if (u32 resv = atomic_storage<u32>::load(thread->raddr))
{
vm::reservation_notifier(resv).notify_all(-128);
vm::reservation_notifier(resv).notify_all();
}
}
}