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Wait for SPU event to be received in sys_spu_thread_group_exit

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Also use atomic check for group->run_state outside the mutex,
explicitly forbid group termination while we are waiting for an event to be received.
This commit is contained in:
Eladash 2020-04-16 20:08:30 +03:00 committed by Ivan
parent a9c18964b6
commit 7da8ba5c15
1 changed files with 40 additions and 12 deletions
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52
rpcs3/Emu/Cell/SPUThread.cpp
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@ -2798,7 +2798,9 @@ bool spu_thread::stop_and_signal(u32 code)
queue.reset();
// Check group status, wait if necessary
while (group->run_state >= SPU_THREAD_GROUP_STATUS_WAITING && group->run_state <= SPU_THREAD_GROUP_STATUS_SUSPENDED)
for (auto _state = +group->run_state;
_state >= SPU_THREAD_GROUP_STATUS_WAITING && _state <= SPU_THREAD_GROUP_STATUS_WAITING_AND_SUSPENDED;
_state = group->run_state)
{
if (is_stopped())
{
@ -2876,11 +2878,14 @@ bool spu_thread::stop_and_signal(u32 code)
while (true)
{
if (is_stopped())
if (state & (cpu_flag::exit + cpu_flag::dbg_global_stop))
{
return false;
}
// The thread group cannot be stopped while waiting for an event
verify(HERE), !(state & cpu_flag::stop);
if (!state.test_and_reset(cpu_flag::signal))
{
thread_ctrl::wait();
@ -3001,19 +3006,42 @@ bool spu_thread::stop_and_signal(u32 code)
spu_log.trace("sys_spu_thread_group_exit(status=0x%x)", value);
std::lock_guard lock(group->mutex);
for (auto& thread : group->threads)
while (true)
{
if (thread && thread.get() != this)
for (auto _state = +group->run_state;
_state >= SPU_THREAD_GROUP_STATUS_WAITING && _state <= SPU_THREAD_GROUP_STATUS_WAITING_AND_SUSPENDED;
_state = group->run_state)
{
thread->state += cpu_flag::stop;
thread_ctrl::notify(*thread);
}
}
if (is_stopped())
{
return false;
}
group->exit_status = value;
group->join_state = SYS_SPU_THREAD_GROUP_JOIN_GROUP_EXIT;
thread_ctrl::wait();
}
std::lock_guard lock(group->mutex);
if (auto _state = +group->run_state;
_state >= SPU_THREAD_GROUP_STATUS_WAITING && _state <= SPU_THREAD_GROUP_STATUS_WAITING_AND_SUSPENDED)
{
// We can't exit while we are waiting on an SPU event
continue;
}
for (auto& thread : group->threads)
{
if (thread && thread.get() != this)
{
thread->state += cpu_flag::stop;
thread_ctrl::notify(*thread);
}
}
group->exit_status = value;
group->join_state = SYS_SPU_THREAD_GROUP_JOIN_GROUP_EXIT;
break;
}
state += cpu_flag::stop;
check_state();