| Linux in-mum-web1499.main-hosting.eu 5.14.0-503.40.1.el9_5.x86_64 #1 SMP PREEMPT_DYNAMIC Mon May 5 06:06:04 EDT 2025 x86_64 Path : /opt/golang/1.22.0/src/internal/coverage/calloc/ |
| Current File : //opt/golang/1.22.0/src/internal/coverage/calloc/batchcounteralloc.go |
// Copyright 2022 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 calloc
// This package contains a simple "batch" allocator for allocating
// coverage counters (slices of uint32 basically), for working with
// coverage data files. Collections of counter arrays tend to all be
// live/dead over the same time period, so a good fit for batch
// allocation.
type BatchCounterAlloc struct {
pool []uint32
}
func (ca *BatchCounterAlloc) AllocateCounters(n int) []uint32 {
const chunk = 8192
if n > cap(ca.pool) {
siz := chunk
if n > chunk {
siz = n
}
ca.pool = make([]uint32, siz)
}
rv := ca.pool[:n]
ca.pool = ca.pool[n:]
return rv
}