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// Copyright 2012 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
// Called from C. Returns the Go type *m.
func gc_m_ptr(ret *interface{}) {
*ret = (*m)(nil)
}
// Called from C. Returns the Go type *g.
func gc_g_ptr(ret *interface{}) {
*ret = (*g)(nil)
}
// Called from C. Returns the Go type *itab.
func gc_itab_ptr(ret *interface{}) {
*ret = (*itab)(nil)
}
// Type used for "conservative" allocations in C code.
type notype [8]*byte
// Called from C. Returns the Go type used for C allocations w/o type.
func gc_notype_ptr(ret *interface{}) {
var x notype
*ret = x
}
func timenow() (sec int64, nsec int32)
func gc_unixnanotime(now *int64) {
sec, nsec := timenow()
*now = sec*1e9 + int64(nsec)
}
func freeOSMemory() {
gogc(2) // force GC and do eager sweep
onM(scavenge_m)
}
var poolcleanup func()
func registerPoolCleanup(f func()) {
poolcleanup = f
}
func clearpools() {
// clear sync.Pools
if poolcleanup != nil {
poolcleanup()
}
for _, p := range &allp {
if p == nil {
break
}
// clear tinyalloc pool
if c := p.mcache; c != nil {
c.tiny = nil
c.tinysize = 0
c.sudogcache = nil
}
// clear defer pools
for i := range p.deferpool {
p.deferpool[i] = nil
}
}
}
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