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author | 2023-02-25 13:12:40 +0100 | |
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committer | 2023-02-25 12:12:40 +0000 | |
commit | ecdc8379fa8f9d88faca626e7de748c2afbe4910 (patch) | |
tree | 8c20a5826db2136fc89bee45e15355c5899fa65b /vendor/github.com/bytedance/sonic/loader/mmap_unix.go | |
parent | [bugfix] Fix deleted status causing issues when getting bookmark (#1551) (diff) | |
download | gotosocial-ecdc8379fa8f9d88faca626e7de748c2afbe4910.tar.xz |
[chore] Update gin to v1.9.0 (#1553)
Diffstat (limited to 'vendor/github.com/bytedance/sonic/loader/mmap_unix.go')
-rw-r--r-- | vendor/github.com/bytedance/sonic/loader/mmap_unix.go | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/vendor/github.com/bytedance/sonic/loader/mmap_unix.go b/vendor/github.com/bytedance/sonic/loader/mmap_unix.go new file mode 100644 index 000000000..50b80bf20 --- /dev/null +++ b/vendor/github.com/bytedance/sonic/loader/mmap_unix.go @@ -0,0 +1,45 @@ +//go:build darwin || linux +// +build darwin linux + +/** + * Copyright 2023 ByteDance Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package loader + +import ( + `syscall` +) + +const ( + _AP = syscall.MAP_ANON | syscall.MAP_PRIVATE + _RX = syscall.PROT_READ | syscall.PROT_EXEC + _RW = syscall.PROT_READ | syscall.PROT_WRITE +) + + +func mmap(nb int) uintptr { + if m, _, e := syscall.RawSyscall6(syscall.SYS_MMAP, 0, uintptr(nb), _RW, _AP, 0, 0); e != 0 { + panic(e) + } else { + return m + } +} + +func mprotect(p uintptr, nb int) { + if _, _, err := syscall.RawSyscall(syscall.SYS_MPROTECT, p, uintptr(nb), _RX); err != 0 { + panic(err) + } +}
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