github.com/fletavendor/sys@v0.0.0-20181107165924-66b7b1311ac8/unix/example_test.go (about)

     1  // Copyright 2018 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  // +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
     6  
     7  package unix_test
     8  
     9  import (
    10  	"log"
    11  	"os"
    12  
    13  	"golang.org/x/sys/unix"
    14  )
    15  
    16  func ExampleExec() {
    17  	err := unix.Exec("/bin/ls", []string{"ls", "-al"}, os.Environ())
    18  	log.Fatal(err)
    19  }
    20  
    21  func ExampleFlock() {
    22  	f, _ := os.Create("example.lock")
    23  	if err := unix.Flock(int(f.Fd()), unix.LOCK_EX); err != nil {
    24  		log.Fatal(err)
    25  	}
    26  	// Do work here that requires the lock. When finished, release the lock:
    27  	if err := unix.Flock(int(f.Fd()), unix.LOCK_UN); err != nil {
    28  		log.Fatal(err)
    29  	}
    30  }