void LmuxAcquire(lmutex_t *mux)
{
unsigned my_id;
volatile lmutex_t *vmux = (volatile lmutex_t*) mux;
my_id = ThrGetThreadInfo()->id;
if (vmux->owner == my_id)
{
_wdprintf(L"LmuxAcquire(%p/%u): recursive acquisition by %u\n",
vmux, vmux->mutex, my_id);
__asm__("int3");
}
if (SysIncrement(&vmux->locks) > 0)
{
if (!SemDown(vmux->mutex))
__asm__("int3");
if (vmux->owner != 0)
{
_wdprintf(L"LmuxAcquire(%p/%u): still locked by %u, %u contend\n",
vmux, vmux->mutex, vmux->owner, my_id);
__asm__("int3");
}
vmux->eip = *(&mux - 1);
vmux->locks--;
vmux->owner = my_id;
}
else
{
vmux->eip = *(&mux - 1);
vmux->owner = my_id;
}
}
gmgr_surface_t *GmgrCopySurface(gmgr_surface_t *surf)
{
SysIncrement(&surf->refs);
return surf;
}
