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- // Copyright 2010 The Go Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style
- // license that can be found in the LICENSE file.
- package runtime
- #include "runtime.h"
- #include "arch.h"
- #include "go-type.h"
- func GOMAXPROCS(n int) (ret int) {
- ret = runtime_gomaxprocsfunc(n);
- }
- func NumCPU() (ret int) {
- ret = runtime_ncpu;
- }
- func NumCgoCall() (ret int64) {
- M *mp;
- ret = 0;
- for(mp=runtime_atomicloadp(&runtime_allm); mp; mp=mp->alllink)
- ret += mp->ncgocall;
- }
- func newParFor(nthrmax uint32) (desc *ParFor) {
- desc = runtime_parforalloc(nthrmax);
- }
- func parForSetup(desc *ParFor, nthr uint32, n uint32, ctx *byte, wait bool, body *byte) {
- runtime_parforsetup(desc, nthr, n, ctx, wait, *(void(**)(ParFor*, uint32))body);
- }
- func parForDo(desc *ParFor) {
- runtime_parfordo(desc);
- }
- func parForIters(desc *ParFor, tid uintptr) (start uintptr, end uintptr) {
- runtime_parforiters(desc, tid, &start, &end);
- }
- func typestring(e Eface) (s String) {
- s = *e.__type_descriptor->__reflection;
- }
- func golockedOSThread() (ret bool) {
- ret = runtime_lockedOSThread();
- }
- func NumGoroutine() (ret int) {
- ret = runtime_gcount();
- }
- func getgoroot() (out String) {
- const byte *p;
- p = runtime_getenv("GOROOT");
- out = runtime_gostringnocopy(p);
- }
- func runtime_pprof.runtime_cyclesPerSecond() (res int64) {
- res = runtime_tickspersecond();
- }
- func sync.runtime_procPin() (p int) {
- M *mp;
- mp = runtime_m();
- // Disable preemption.
- mp->locks++;
- p = mp->p->id;
- }
- func sync.runtime_procUnpin() {
- runtime_m()->locks--;
- }
- func sync_atomic.runtime_procPin() (p int) {
- M *mp;
- mp = runtime_m();
- // Disable preemption.
- mp->locks++;
- p = mp->p->id;
- }
- func sync_atomic.runtime_procUnpin() {
- runtime_m()->locks--;
- }
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