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Fix sys_io thread deadlock

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Co-Authored-By: Megamouse <23019877+Megamouse@users.noreply.github.com>
This commit is contained in:
Elad Ashkenazi 2024-08-14 06:49:19 +03:00
parent 4d5897d519
commit 29b0298f1e
2 changed files with 37 additions and 9 deletions
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22
rpcs3/Emu/Cell/Modules/sys_io_.cpp
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@ -36,10 +36,12 @@ extern void sys_io_serialize(utils::serial& ar)
ensure(g_fxo->try_get<libio_sys_config>())->save_or_load(ar);
}
extern void cellPad_NotifyStateChange(usz index, u64 state, bool lock = true);
extern bool cellPad_NotifyStateChange(usz index, u64 state, bool lock = true, bool is_blocking = true);
void config_event_entry(ppu_thread& ppu)
{
ppu.state += cpu_flag::wait;
auto& cfg = *ensure(g_fxo->try_get<libio_sys_config>());
if (!ppu.loaded_from_savestate)
@ -48,7 +50,10 @@ void config_event_entry(ppu_thread& ppu)
ppu.check_state();
}
while (!sys_event_queue_receive(ppu, cfg.queue_id, vm::null, 0))
const u32 queue_id = cfg.queue_id;
auto queue = idm::get<lv2_obj, lv2_event_queue>(queue_id);
while (queue && sys_event_queue_receive(ppu, queue_id, vm::null, 0) == CELL_OK)
{
if (ppu.is_stopped())
{
@ -61,6 +66,7 @@ void config_event_entry(ppu_thread& ppu)
// Wakeup
ppu.check_state();
ppu.state += cpu_flag::wait;
const u64 arg1 = ppu.gpr[5];
const u64 arg2 = ppu.gpr[6];
@ -70,7 +76,17 @@ void config_event_entry(ppu_thread& ppu)
if (arg1 == 1)
{
cellPad_NotifyStateChange(arg2, arg3);
while (!cellPad_NotifyStateChange(arg2, arg3, false))
{
if (!queue->exists)
{
// Exit condition
queue = nullptr;
break;
}
thread_ctrl::wait_for(100);
}
}
}