void
runtime·stackfree(G *gp, void *v, Stktop *top)
{
uint32 pos;
uintptr n;
n = (uintptr)(top+1) - (uintptr)v;
if(StackDebug >= 1)
runtime·printf("stackfree %p %d\n", v, (int32)n);
gp->stacksize -= n;
if(runtime·debug.efence || StackFromSystem) {
if(runtime·debug.efence || StackFaultOnFree)
runtime·SysFault(v, n);
else
runtime·SysFree(v, n, &mstats.stacks_sys);
return;
}
if(top->malloced) {
runtime·free(v);
return;
}
if(n != FixedStack)
runtime·throw("stackfree: bad fixed size");
if(m->stackcachecnt == StackCacheSize)
stackcacherelease();
pos = m->stackcachepos;
m->stackcache[pos] = v;
m->stackcachepos = (pos + 1) % StackCacheSize;
m->stackcachecnt++;
m->stackinuse--;
}
void
runtime·stackfree(void *v, uintptr n)
{
uint32 pos;
if(n == FixedStack || m->mallocing || m->gcing) {
if(m->stackcachecnt == StackCacheSize)
stackcacherelease();
pos = m->stackcachepos;
m->stackcache[pos] = v;
m->stackcachepos = (pos + 1) % StackCacheSize;
m->stackcachecnt++;
m->stackinuse--;
return;
}
runtime·free(v);
}
