rpcsx/rpcs3/Emu/SysCalls/lv2/SC_Mutex.cpp
2014-02-05 15:55:32 +04:00

99 lines
2.4 KiB
C++

#include "stdafx.h"
#include "Emu/SysCalls/SysCalls.h"
#include "SC_Mutex.h"
#include "Utilities/SMutex.h"
SysCallBase sys_mtx("sys_mutex");
int sys_mutex_create(u32 mutex_id_addr, u32 attr_addr)
{
sys_mtx.Warning("sys_mutex_create(mutex_id_addr=0x%x, attr_addr=0x%x)",
mutex_id_addr, attr_addr);
if(!Memory.IsGoodAddr(mutex_id_addr) || !Memory.IsGoodAddr(attr_addr)) return CELL_EFAULT;
mutex_attr attr = (mutex_attr&)Memory[attr_addr];
attr.protocol = re(attr.protocol);
attr.recursive = re(attr.recursive);
attr.pshared = re(attr.pshared);
attr.adaptive = re(attr.adaptive);
attr.ipc_key = re(attr.ipc_key);
attr.flags = re(attr.flags);
sys_mtx.Log("*** protocol = %d", attr.protocol);
sys_mtx.Log("*** recursive = %d", attr.recursive);
sys_mtx.Log("*** pshared = %d", attr.pshared);
sys_mtx.Log("*** ipc_key = 0x%llx", attr.ipc_key);
sys_mtx.Log("*** flags = 0x%x", attr.flags);
sys_mtx.Log("*** name = %s", attr.name);
Memory.Write32(mutex_id_addr, sys_mtx.GetNewId(new mutex(attr)));
return CELL_OK;
}
int sys_mutex_destroy(u32 mutex_id)
{
sys_mtx.Log("sys_mutex_destroy(mutex_id=0x%x)", mutex_id);
if(!sys_mtx.CheckId(mutex_id)) return CELL_ESRCH;
Emu.GetIdManager().RemoveID(mutex_id);
return CELL_OK;
}
int sys_mutex_lock(u32 mutex_id, u64 timeout)
{
sys_mtx.Log("sys_mutex_lock(mutex_id=0x%x, timeout=0x%llx)", mutex_id, timeout);
mutex* mtx_data = nullptr;
if(!sys_mtx.CheckId(mutex_id, mtx_data)) return CELL_ESRCH;
u32 counter = 0;
const u32 max_counter = timeout ? (timeout / 1000) : 20000;
do
{
if (Emu.IsStopped()) return CELL_ETIMEDOUT;
if (mtx_data->mtx.TryLock() == wxMUTEX_NO_ERROR) return CELL_OK;
Sleep(1);
if (counter++ > max_counter)
{
if (!timeout)
{
sys_mtx.Warning("sys_mutex_lock(mutex_id=0x%x, timeout=0x%llx): TIMEOUT", mutex_id, timeout);
counter = 0;
}
else
{
return CELL_ETIMEDOUT;
}
}
} while (true);
}
int sys_mutex_trylock(u32 mutex_id)
{
sys_mtx.Log("sys_mutex_trylock(mutex_id=0x%x)", mutex_id);
mutex* mtx_data = nullptr;
if(!sys_mtx.CheckId(mutex_id, mtx_data)) return CELL_ESRCH;
if (mtx_data->mtx.TryLock() != wxMUTEX_NO_ERROR) return CELL_EBUSY;
return CELL_OK;
}
int sys_mutex_unlock(u32 mutex_id)
{
sys_mtx.Log("sys_mutex_unlock(mutex_id=0x%x)", mutex_id);
mutex* mtx_data = nullptr;
if(!sys_mtx.CheckId(mutex_id, mtx_data)) return CELL_ESRCH;
mtx_data->mtx.Unlock();
return CELL_OK;
}