| // 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 unix |
| |
| import ( |
| "internal/abi" |
| "unsafe" |
| ) |
| |
| //go:cgo_import_dynamic libc_grantpt grantpt "/usr/lib/libSystem.B.dylib" |
| func libc_grantpt_trampoline() |
| |
| func Grantpt(fd int) error { |
| _, _, errno := syscall_syscall6(abi.FuncPCABI0(libc_grantpt_trampoline), uintptr(fd), 0, 0, 0, 0, 0) |
| if errno != 0 { |
| return errno |
| } |
| return nil |
| } |
| |
| //go:cgo_import_dynamic libc_unlockpt unlockpt "/usr/lib/libSystem.B.dylib" |
| func libc_unlockpt_trampoline() |
| |
| func Unlockpt(fd int) error { |
| _, _, errno := syscall_syscall6(abi.FuncPCABI0(libc_unlockpt_trampoline), uintptr(fd), 0, 0, 0, 0, 0) |
| if errno != 0 { |
| return errno |
| } |
| return nil |
| } |
| |
| //go:cgo_import_dynamic libc_ptsname_r ptsname_r "/usr/lib/libSystem.B.dylib" |
| func libc_ptsname_r_trampoline() |
| |
| func Ptsname(fd int) (string, error) { |
| buf := make([]byte, 256) |
| _, _, errno := syscall_syscall6(abi.FuncPCABI0(libc_ptsname_r_trampoline), |
| uintptr(fd), |
| uintptr(unsafe.Pointer(&buf[0])), |
| uintptr(len(buf)-1), |
| 0, 0, 0) |
| if errno != 0 { |
| return "", errno |
| } |
| for i, c := range buf { |
| if c == 0 { |
| buf = buf[:i] |
| break |
| } |
| } |
| return string(buf), nil |
| } |
| |
| //go:cgo_import_dynamic libc_posix_openpt posix_openpt "/usr/lib/libSystem.B.dylib" |
| func libc_posix_openpt_trampoline() |
| |
| func PosixOpenpt(flag int) (fd int, err error) { |
| ufd, _, errno := syscall_syscall6(abi.FuncPCABI0(libc_posix_openpt_trampoline), uintptr(flag), 0, 0, 0, 0, 0) |
| if errno != 0 { |
| return -1, errno |
| } |
| return int(ufd), nil |
| } |