1// Copyright 2024 The Go Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style 3// license that can be found in the LICENSE file. 4 5//go:build openbsd && !mips64 6 7package unix 8 9import ( 10 "internal/abi" 11 "syscall" 12 "unsafe" 13) 14 15//go:linkname syscall_syscall6 syscall.syscall6 16func syscall_syscall6(fn, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err syscall.Errno) 17 18func libc_faccessat_trampoline() 19 20//go:cgo_import_dynamic libc_faccessat faccessat "libc.so" 21 22func faccessat(dirfd int, path string, mode uint32, flags int) error { 23 p, err := syscall.BytePtrFromString(path) 24 if err != nil { 25 return err 26 } 27 _, _, errno := syscall_syscall6(abi.FuncPCABI0(libc_faccessat_trampoline), uintptr(dirfd), uintptr(unsafe.Pointer(p)), uintptr(mode), uintptr(flags), 0, 0) 28 if errno != 0 { 29 return errno 30 } 31 return err 32} 33 34func Eaccess(path string, mode uint32) error { 35 return faccessat(AT_FDCWD, path, mode, AT_EACCESS) 36} 37