mirror of
https://github.com/RPCS3/rpcs3.git
synced 2025-07-09 00:11:24 +12:00
386 lines
No EOL
8.6 KiB
C++
386 lines
No EOL
8.6 KiB
C++
#include "stdafx.h"
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#include "Emu/Memory/Memory.h"
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#include "Emu/System.h"
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#include "Emu/SysCalls/SysCalls.h"
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#include "Emu/CPU/CPUThreadManager.h"
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#include "Emu/Cell/PPUThread.h"
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#include "sleep_queue.h"
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#include "sys_event_flag.h"
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SysCallBase sys_event_flag("sys_event_flag");
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u32 EventFlag::check()
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{
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u32 target = 0;
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u64 highest_prio = ~0ull;
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const u64 flag_set = flags.read_sync();
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for (u32 i = 0; i < waiters.size(); i++)
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{
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if (((waiters[i].mode & SYS_EVENT_FLAG_WAIT_AND) && (flag_set & waiters[i].bitptn) == waiters[i].bitptn) ||
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((waiters[i].mode & SYS_EVENT_FLAG_WAIT_OR) && (flag_set & waiters[i].bitptn)))
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{
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if (protocol == SYS_SYNC_FIFO)
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{
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target = waiters[i].tid;
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break;
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}
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else if (protocol == SYS_SYNC_PRIORITY)
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{
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if (std::shared_ptr<CPUThread> t = Emu.GetCPU().GetThread(waiters[i].tid))
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{
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const u64 prio = t->GetPrio();
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if (prio < highest_prio)
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{
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highest_prio = prio;
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target = waiters[i].tid;
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}
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}
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else
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{
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assert(!"EventFlag::check(): waiter not found");
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}
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}
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else
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{
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assert(!"EventFlag::check(): unknown protocol");
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}
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}
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}
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return target;
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}
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s32 sys_event_flag_create(vm::ptr<u32> eflag_id, vm::ptr<sys_event_flag_attr> attr, u64 init)
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{
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sys_event_flag.Warning("sys_event_flag_create(eflag_id_addr=0x%x, attr_addr=0x%x, init=0x%llx)", eflag_id.addr(), attr.addr(), init);
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if (!eflag_id)
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{
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sys_event_flag.Error("sys_event_flag_create(): invalid memory access (eflag_id_addr=0x%x)", eflag_id.addr());
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return CELL_EFAULT;
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}
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if (!attr)
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{
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sys_event_flag.Error("sys_event_flag_create(): invalid memory access (attr_addr=0x%x)", attr.addr());
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return CELL_EFAULT;
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}
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switch (attr->protocol.data())
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{
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case se32(SYS_SYNC_PRIORITY): break;
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case se32(SYS_SYNC_RETRY): sys_event_flag.Todo("SYS_SYNC_RETRY"); break;
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case se32(SYS_SYNC_PRIORITY_INHERIT): sys_event_flag.Todo("SYS_SYNC_PRIORITY_INHERIT"); break;
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case se32(SYS_SYNC_FIFO): break;
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default: sys_event_flag.Error("Unknown protocol (0x%x)", attr->protocol); return CELL_EINVAL;
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}
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if (attr->pshared.data() != se32(0x200))
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{
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sys_event_flag.Error("Unknown pshared attribute (0x%x)", attr->pshared);
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return CELL_EINVAL;
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}
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switch (attr->type.data())
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{
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case se32(SYS_SYNC_WAITER_SINGLE): break;
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case se32(SYS_SYNC_WAITER_MULTIPLE): break;
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default: sys_event_flag.Error("Unknown event flag type (0x%x)", attr->type); return CELL_EINVAL;
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}
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std::shared_ptr<EventFlag> ef(new EventFlag(init, attr->protocol, attr->type, attr->name_u64));
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u32 id = sys_event_flag.GetNewId(ef, TYPE_EVENT_FLAG);
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*eflag_id = id;
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sys_event_flag.Warning("*** event_flag created [%s] (protocol=0x%x, type=0x%x): id = %d", std::string(attr->name, 8).c_str(), attr->protocol, attr->type, id);
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return CELL_OK;
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}
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s32 sys_event_flag_destroy(u32 eflag_id)
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{
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sys_event_flag.Warning("sys_event_flag_destroy(eflag_id=%d)", eflag_id);
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std::shared_ptr<EventFlag> ef;
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if (!sys_event_flag.CheckId(eflag_id, ef)) return CELL_ESRCH;
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if (ef->waiters.size()) // ???
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{
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return CELL_EBUSY;
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}
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Emu.GetIdManager().RemoveID(eflag_id);
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return CELL_OK;
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}
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s32 sys_event_flag_wait(u32 eflag_id, u64 bitptn, u32 mode, vm::ptr<u64> result, u64 timeout)
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{
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sys_event_flag.Log("sys_event_flag_wait(eflag_id=%d, bitptn=0x%llx, mode=0x%x, result_addr=0x%x, timeout=%lld)",
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eflag_id, bitptn, mode, result.addr(), timeout);
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if (result) *result = 0;
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switch (mode & 0xf)
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{
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case SYS_EVENT_FLAG_WAIT_AND: break;
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case SYS_EVENT_FLAG_WAIT_OR: break;
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default: return CELL_EINVAL;
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}
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switch (mode & ~0xf)
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{
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case 0: break; // ???
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case SYS_EVENT_FLAG_WAIT_CLEAR: break;
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case SYS_EVENT_FLAG_WAIT_CLEAR_ALL: break;
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default: return CELL_EINVAL;
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}
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std::shared_ptr<EventFlag> ef;
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if (!sys_event_flag.CheckId(eflag_id, ef)) return CELL_ESRCH;
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const u32 tid = GetCurrentPPUThread().GetId();
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{
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std::lock_guard<std::mutex> lock(ef->mutex);
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if (ef->type == SYS_SYNC_WAITER_SINGLE && ef->waiters.size() > 0)
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{
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return CELL_EPERM;
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}
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EventFlagWaiter rec;
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rec.bitptn = bitptn;
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rec.mode = mode;
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rec.tid = tid;
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ef->waiters.push_back(rec);
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if (ef->check() == tid)
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{
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const u64 flag_set = ef->flags.read_sync();
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ef->waiters.erase(ef->waiters.end() - 1);
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if (mode & SYS_EVENT_FLAG_WAIT_CLEAR)
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{
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ef->flags &= ~bitptn;
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}
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else if (mode & SYS_EVENT_FLAG_WAIT_CLEAR_ALL)
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{
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ef->flags &= 0;
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}
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if (result)
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{
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*result = flag_set;
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}
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return CELL_OK;
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}
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}
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u64 counter = 0;
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const u64 max_counter = timeout ? (timeout / 1000) : ~0;
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while (true)
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{
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u32 signaled;
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if (ef->signal.try_peek(signaled) && signaled == tid)
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{
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std::lock_guard<std::mutex> lock(ef->mutex);
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const u64 flag_set = ef->flags.read_sync();
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ef->signal.pop(signaled);
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for (u32 i = 0; i < ef->waiters.size(); i++)
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{
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if (ef->waiters[i].tid == tid)
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{
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ef->waiters.erase(ef->waiters.begin() + i);
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if (mode & SYS_EVENT_FLAG_WAIT_CLEAR)
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{
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ef->flags &= ~bitptn;
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}
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else if (mode & SYS_EVENT_FLAG_WAIT_CLEAR_ALL)
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{
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ef->flags &= 0;
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}
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if (u32 target = ef->check())
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{
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ef->signal.push(target);
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}
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if (result)
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{
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*result = flag_set;
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}
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return CELL_OK;
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}
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}
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return CELL_ECANCELED;
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}
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std::this_thread::sleep_for(std::chrono::milliseconds(1)); // hack
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if (counter++ > max_counter)
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{
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std::lock_guard<std::mutex> lock(ef->mutex);
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for (u32 i = 0; i < ef->waiters.size(); i++)
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{
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if (ef->waiters[i].tid == tid)
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{
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ef->waiters.erase(ef->waiters.begin() + i);
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break;
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}
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}
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return CELL_ETIMEDOUT;
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}
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if (Emu.IsStopped())
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{
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sys_event_flag.Warning("sys_event_flag_wait(id=%d) aborted", eflag_id);
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return CELL_OK;
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}
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}
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}
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s32 sys_event_flag_trywait(u32 eflag_id, u64 bitptn, u32 mode, vm::ptr<u64> result)
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{
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sys_event_flag.Log("sys_event_flag_trywait(eflag_id=%d, bitptn=0x%llx, mode=0x%x, result_addr=0x%x)",
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eflag_id, bitptn, mode, result.addr());
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if (result) *result = 0;
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switch (mode & 0xf)
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{
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case SYS_EVENT_FLAG_WAIT_AND: break;
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case SYS_EVENT_FLAG_WAIT_OR: break;
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default: return CELL_EINVAL;
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}
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switch (mode & ~0xf)
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{
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case 0: break; // ???
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case SYS_EVENT_FLAG_WAIT_CLEAR: break;
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case SYS_EVENT_FLAG_WAIT_CLEAR_ALL: break;
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default: return CELL_EINVAL;
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}
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std::shared_ptr<EventFlag> ef;
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if (!sys_event_flag.CheckId(eflag_id, ef)) return CELL_ESRCH;
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std::lock_guard<std::mutex> lock(ef->mutex);
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const u64 flag_set = ef->flags.read_sync();
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if (((mode & SYS_EVENT_FLAG_WAIT_AND) && (flag_set & bitptn) == bitptn) ||
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((mode & SYS_EVENT_FLAG_WAIT_OR) && (flag_set & bitptn)))
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{
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if (mode & SYS_EVENT_FLAG_WAIT_CLEAR)
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{
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ef->flags &= ~bitptn;
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}
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else if (mode & SYS_EVENT_FLAG_WAIT_CLEAR_ALL)
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{
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ef->flags &= 0;
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}
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if (result)
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{
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*result = flag_set;
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}
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return CELL_OK;
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}
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return CELL_EBUSY;
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}
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s32 sys_event_flag_set(u32 eflag_id, u64 bitptn)
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{
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sys_event_flag.Log("sys_event_flag_set(eflag_id=%d, bitptn=0x%llx)", eflag_id, bitptn);
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std::shared_ptr<EventFlag> ef;
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if (!sys_event_flag.CheckId(eflag_id, ef)) return CELL_ESRCH;
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std::lock_guard<std::mutex> lock(ef->mutex);
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ef->flags |= bitptn;
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if (u32 target = ef->check())
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{
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ef->signal.push(target);
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}
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return CELL_OK;
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}
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s32 sys_event_flag_clear(u32 eflag_id, u64 bitptn)
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{
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sys_event_flag.Log("sys_event_flag_clear(eflag_id=%d, bitptn=0x%llx)", eflag_id, bitptn);
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std::shared_ptr<EventFlag> ef;
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if (!sys_event_flag.CheckId(eflag_id, ef)) return CELL_ESRCH;
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std::lock_guard<std::mutex> lock(ef->mutex);
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ef->flags &= bitptn;
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return CELL_OK;
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}
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s32 sys_event_flag_cancel(u32 eflag_id, vm::ptr<u32> num)
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{
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sys_event_flag.Log("sys_event_flag_cancel(eflag_id=%d, num_addr=0x%x)", eflag_id, num.addr());
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std::shared_ptr<EventFlag> ef;
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if (!sys_event_flag.CheckId(eflag_id, ef)) return CELL_ESRCH;
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std::vector<u32> tids;
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{
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std::lock_guard<std::mutex> lock(ef->mutex);
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tids.resize(ef->waiters.size());
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for (u32 i = 0; i < ef->waiters.size(); i++)
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{
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tids[i] = ef->waiters[i].tid;
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}
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ef->waiters.clear();
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}
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for (auto& v : tids)
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{
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ef->signal.push(v);
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}
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if (Emu.IsStopped())
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{
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sys_event_flag.Warning("sys_event_flag_cancel(id=%d) aborted", eflag_id);
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return CELL_OK;
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}
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if (num)
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{
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*num = (u32)tids.size();
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}
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return CELL_OK;
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}
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s32 sys_event_flag_get(u32 eflag_id, vm::ptr<u64> flags)
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{
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sys_event_flag.Log("sys_event_flag_get(eflag_id=%d, flags_addr=0x%x)", eflag_id, flags.addr());
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if (!flags)
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{
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sys_event_flag.Error("sys_event_flag_create(): invalid memory access (flags_addr=0x%x)", flags.addr());
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return CELL_EFAULT;
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}
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std::shared_ptr<EventFlag> ef;
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if (!sys_event_flag.CheckId(eflag_id, ef)) return CELL_ESRCH;
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*flags = ef->flags.read_sync();
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return CELL_OK;
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} |