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Editing: mem_plan9.go
// 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 import "unsafe" func sbrk(n uintptr) unsafe.Pointer { // Plan 9 sbrk from /sys/src/libc/9sys/sbrk.c bl := bloc n = memRound(n) if bl+n > blocMax { if brk_(unsafe.Pointer(bl+n)) < 0 { return nil } blocMax = bl + n } bloc += n return unsafe.Pointer(bl) }
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