void
runtime·resetcpuprofiler(int32 hz)
{
static Lock lock;
void *timer, *thread;
int32 ms;
int64 due;
runtime·lock(&lock);
if(profiletimer == nil) {
timer = runtime·stdcall(runtime·CreateWaitableTimer, 3, nil, nil, nil);
runtime·atomicstorep(&profiletimer, timer);
thread = runtime·stdcall(runtime·CreateThread, 6,
nil, nil, runtime·profileloop, nil, nil, nil);
runtime·stdcall(runtime·CloseHandle, 1, thread);
}
runtime·unlock(&lock);
ms = 0;
due = 1LL<<63;
if(hz > 0) {
ms = 1000 / hz;
if(ms == 0)
ms = 1;
due = ms * -10000;
}
runtime·stdcall(runtime·SetWaitableTimer, 6,
profiletimer, &due, (uintptr)ms, nil, nil, nil);
runtime·atomicstore((uint32*)&m->profilehz, hz);
}
void
net·runtime_pollUnblock(PollDesc* pd)
{
#line 228 "/home/14/ren/source/golang/go/src/pkg/runtime/netpoll.goc"
G *rg, *wg;
runtime·lock(pd);
if(pd->closing)
runtime·throw("runtime_pollUnblock: already closing");
pd->closing = true;
pd->seq++;
runtime·atomicstorep(&rg, nil); // full memory barrier between store to closing and read of rg/wg in netpollunblock
rg = netpollunblock(pd, 'r', false);
wg = netpollunblock(pd, 'w', false);
if(pd->rt.fv) {
runtime·deltimer(&pd->rt);
pd->rt.fv = nil;
}
if(pd->wt.fv) {
runtime·deltimer(&pd->wt);
pd->wt.fv = nil;
}
runtime·unlock(pd);
if(rg)
runtime·ready(rg);
if(wg)
runtime·ready(wg);
}
void
net·runtime_pollUnblock(PollDesc* pd)
{
#line 228 "C:\Users\gopher\AppData\Local\Temp\1\makerelease745458658\go\src\pkg\runtime\netpoll.goc"
G *rg, *wg;
runtime·lock(pd);
if(pd->closing)
runtime·throw("runtime_pollUnblock: already closing");
pd->closing = true;
pd->seq++;
runtime·atomicstorep(&rg, nil); // full memory barrier between store to closing and read of rg/wg in netpollunblock
rg = netpollunblock(pd, 'r', false);
wg = netpollunblock(pd, 'w', false);
if(pd->rt.fv) {
runtime·deltimer(&pd->rt);
pd->rt.fv = nil;
}
if(pd->wt.fv) {
runtime·deltimer(&pd->wt);
pd->wt.fv = nil;
}
runtime·unlock(pd);
if(rg)
runtime·ready(rg);
if(wg)
runtime·ready(wg);
}
void
runtime·typ2Itab(Type* t, InterfaceType* inter, Itab** cache, Itab* tab)
{
#line 172 "/home/pi/go_build/hg/go/src/pkg/runtime/iface.goc"
tab = itab(inter, t, 0);
runtime·atomicstorep(cache, tab);
FLUSH(&tab);
}
void
runtime·typ2Itab(Type *t, InterfaceType *inter, Itab **cache, Itab *ret)
{
Itab *tab;
tab = itab(inter, t, 0);
runtime·atomicstorep(cache, tab);
ret = tab;
FLUSH(&ret);
}
// Called to initialize a new m (including the bootstrap m).
// Called on the new thread, can not allocate memory.
void
runtime·minit(void)
{
void *thandle;
// -1 = current process, -2 = current thread
runtime·stdcall(runtime·DuplicateHandle, 7,
(uintptr)-1, (uintptr)-2, (uintptr)-1, &thandle,
(uintptr)0, (uintptr)0, (uintptr)DUPLICATE_SAME_ACCESS);
runtime·atomicstorep(&m->thread, thandle);
}
void
runtime·typ2Itab(Type* t, InterfaceType* inter, Itab** cache, Itab* tab)
{
tab = 0;
FLUSH(&tab);
#line 186 "/home/14/ren/source/golang/go/src/pkg/runtime/iface.goc"
tab = itab(inter, t, 0);
runtime·atomicstorep(cache, tab);
FLUSH(&tab);
}
void
runtime·typ2Itab(Type* t, InterfaceType* inter, Itab** cache, Itab* tab)
{
tab = 0;
FLUSH(&tab);
#line 186 "/tmp/makerelease197226928/go/src/pkg/runtime/iface.goc"
tab = itab(inter, t, 0);
runtime·atomicstorep(cache, tab);
FLUSH(&tab);
}
void
runtime·convT2I(Type* t, InterfaceType* inter, Itab** cache, byte* elem, Iface ret)
{
#line 178 "/home/pi/go_build/hg/go/src/pkg/runtime/iface.goc"
Itab *tab;
tab = runtime·atomicloadp(cache);
if(!tab) {
tab = itab(inter, t, 0);
runtime·atomicstorep(cache, tab);
}
ret.tab = tab;
copyin(t, elem, &ret.data);
FLUSH(&ret);
}
void
runtime·newosproc(M *m, G *g, void *stk, void (*fn)(void))
{
void *thandle;
USED(stk);
USED(g); // assuming g = m->g0
USED(fn); // assuming fn = mstart
thandle = runtime·stdcall(runtime·CreateThread, 6,
nil, (uintptr)0x20000, runtime·tstart_stdcall, m,
STACK_SIZE_PARAM_IS_A_RESERVATION, nil);
if(thandle == nil) {
runtime·printf("runtime: failed to create new OS thread (have %d already; errno=%d)\n", runtime·mcount(), runtime·getlasterror());
runtime·throw("runtime.newosproc");
}
runtime·atomicstorep(&m->thread, thandle);
}
static void
mcommoninit(M *mp)
{
mp->id = runtime·sched.mcount++;
mp->fastrand = 0x49f6428aUL + mp->id + runtime·cputicks();
if(mp->mcache == nil)
mp->mcache = runtime·allocmcache();
runtime·callers(1, mp->createstack, nelem(mp->createstack));
// Add to runtime·allm so garbage collector doesn't free m
// when it is just in a register or thread-local storage.
mp->alllink = runtime·allm;
// runtime·NumCgoCall() iterates over allm w/o schedlock,
// so we need to publish it safely.
runtime·atomicstorep(&runtime·allm, mp);
}
void
runtime·convT2I(Type *t, InterfaceType *inter, Itab **cache, ...)
{
byte *elem;
Iface *ret;
Itab *tab;
int32 wid;
elem = (byte*)(&cache+1);
wid = t->size;
ret = (Iface*)(elem + ROUND(wid, Structrnd));
tab = runtime·atomicloadp(cache);
if(!tab) {
tab = itab(inter, t, 0);
runtime·atomicstorep(cache, tab);
}
ret->tab = tab;
copyin(t, elem, &ret->data);
}
void
runtime·convT2I(Type* t, InterfaceType* inter, Itab** cache, byte* elem, Iface ret)
{
ret.tab = 0;
ret.data = 0;
FLUSH(&ret);
#line 192 "/home/14/ren/source/golang/go/src/pkg/runtime/iface.goc"
Itab *tab;
tab = runtime·atomicloadp(cache);
if(!tab) {
tab = itab(inter, t, 0);
runtime·atomicstorep(cache, tab);
}
ret.tab = tab;
copyin(t, elem, &ret.data);
FLUSH(&ret);
}
static void
mcommoninit(M *m)
{
m->id = runtime·sched.mcount++;
m->fastrand = 0x49f6428aUL + m->id + runtime·cputicks();
m->stackalloc = runtime·malloc(sizeof(*m->stackalloc));
runtime·FixAlloc_Init(m->stackalloc, FixedStack, runtime·SysAlloc, nil, nil);
if(m->mcache == nil)
m->mcache = runtime·allocmcache();
runtime·callers(1, m->createstack, nelem(m->createstack));
// Add to runtime·allm so garbage collector doesn't free m
// when it is just in a register or thread-local storage.
m->alllink = runtime·allm;
// runtime·NumCgoCall() iterates over allm w/o schedlock,
// so we need to publish it safely.
runtime·atomicstorep(&runtime·allm, m);
}
void
net·runtime_pollSetDeadline(PollDesc* pd, int64 d, intgo mode)
{
#line 164 "C:\Users\gopher\AppData\Local\Temp\1\makerelease745458658\go\src\pkg\runtime\netpoll.goc"
G *rg, *wg;
runtime·lock(pd);
if(pd->closing) {
runtime·unlock(pd);
return;
}
pd->seq++; // invalidate current timers
// Reset current timers.
if(pd->rt.fv) {
runtime·deltimer(&pd->rt);
pd->rt.fv = nil;
}
if(pd->wt.fv) {
runtime·deltimer(&pd->wt);
pd->wt.fv = nil;
}
// Setup new timers.
if(d != 0 && d <= runtime·nanotime())
d = -1;
if(mode == 'r' || mode == 'r'+'w')
pd->rd = d;
if(mode == 'w' || mode == 'r'+'w')
pd->wd = d;
if(pd->rd > 0 && pd->rd == pd->wd) {
pd->rt.fv = &deadlineFn;
pd->rt.when = pd->rd;
// Copy current seq into the timer arg.
// Timer func will check the seq against current descriptor seq,
// if they differ the descriptor was reused or timers were reset.
pd->rt.arg.type = (Type*)pd->seq;
pd->rt.arg.data = pd;
runtime·addtimer(&pd->rt);
} else {
if(pd->rd > 0) {
pd->rt.fv = &readDeadlineFn;
pd->rt.when = pd->rd;
pd->rt.arg.type = (Type*)pd->seq;
pd->rt.arg.data = pd;
runtime·addtimer(&pd->rt);
}
if(pd->wd > 0) {
pd->wt.fv = &writeDeadlineFn;
pd->wt.when = pd->wd;
pd->wt.arg.type = (Type*)pd->seq;
pd->wt.arg.data = pd;
runtime·addtimer(&pd->wt);
}
}
// If we set the new deadline in the past, unblock currently pending IO if any.
rg = nil;
runtime·atomicstorep(&wg, nil); // full memory barrier between stores to rd/wd and load of rg/wg in netpollunblock
if(pd->rd < 0)
rg = netpollunblock(pd, 'r', false);
if(pd->wd < 0)
wg = netpollunblock(pd, 'w', false);
runtime·unlock(pd);
if(rg)
runtime·ready(rg);
if(wg)
runtime·ready(wg);
}
