pool.go (1384B)
1 // GoToSocial 2 // Copyright (C) GoToSocial Authors admin@gotosocial.org 3 // SPDX-License-Identifier: AGPL-3.0-or-later 4 // 5 // This program is free software: you can redistribute it and/or modify 6 // it under the terms of the GNU Affero General Public License as published by 7 // the Free Software Foundation, either version 3 of the License, or 8 // (at your option) any later version. 9 // 10 // This program is distributed in the hope that it will be useful, 11 // but WITHOUT ANY WARRANTY; without even the implied warranty of 12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 // GNU Affero General Public License for more details. 14 // 15 // You should have received a copy of the GNU Affero General Public License 16 // along with this program. If not, see <http://www.gnu.org/licenses/>. 17 18 package log 19 20 import ( 21 "sync" 22 23 "codeberg.org/gruf/go-byteutil" 24 ) 25 26 // bufPool provides a memory pool of log buffers. 27 var bufPool = sync.Pool{ 28 New: func() any { 29 return &byteutil.Buffer{ 30 B: make([]byte, 0, 512), 31 } 32 }, 33 } 34 35 // getBuf acquires a buffer from memory pool. 36 func getBuf() *byteutil.Buffer { 37 buf, _ := bufPool.Get().(*byteutil.Buffer) 38 return buf 39 } 40 41 // putBuf places (after resetting) buffer back in memory pool, dropping if capacity too large. 42 func putBuf(buf *byteutil.Buffer) { 43 if buf.Cap() > int(^uint16(0)) { 44 return // drop large buffer 45 } 46 buf.Reset() 47 bufPool.Put(buf) 48 }