github.com/cloudwego/iasm@v0.2.0/repl/tty.go (about)

     1  //
     2  // Copyright 2024 CloudWeGo Authors
     3  //
     4  // Licensed under the Apache License, Version 2.0 (the "License");
     5  // you may not use this file except in compliance with the License.
     6  // You may obtain a copy of the License at
     7  //
     8  //     http://www.apache.org/licenses/LICENSE-2.0
     9  //
    10  // Unless required by applicable law or agreed to in writing, software
    11  // distributed under the License is distributed on an "AS IS" BASIS,
    12  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  // See the License for the specific language governing permissions and
    14  // limitations under the License.
    15  //
    16  
    17  package repl
    18  
    19  import (
    20      `syscall`
    21      `unsafe`
    22  )
    23  
    24  func isatty(fd uintptr) bool {
    25      var v syscall.Termios
    26      _, _, err := syscall.Syscall6(syscall.SYS_IOCTL, fd, ioctlCode, uintptr(unsafe.Pointer(&v)), 0, 0, 0)
    27      return err == 0
    28  }