mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-11-05 08:50:01 +00:00
45 lines
1.2 KiB
Go
45 lines
1.2 KiB
Go
|
//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)
|
||
|
|
}
|
||
|
|
}
|