| Server IP : 77.37.53.193 / Your IP :
216.73.216.208 [
Web Server : LiteSpeed System : Linux nl-srv-web1124.main-hosting.eu 4.18.0-553.121.1.lve.el8.x86_64 #1 SMP Thu Apr 30 16:40:41 UTC 2026 x86_64 User : u964240598 ( 964240598) PHP Version : 8.4.19 Disable Function : system, exec, shell_exec, passthru, mysql_list_dbs, ini_alter, dl, symlink, link, chgrp, leak, popen, apache_child_terminate, virtual, mb_send_mail Domains : 2 Domains MySQL : OFF | cURL : ON | WGET : ON | Perl : OFF | Python : OFF | Sudo : OFF | Pkexec : OFF Directory : /opt/golang/1.22.0/src/runtime/ |
Upload File : |
// Copyright 2019 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.
//go:build unix
package runtime_test
import (
"runtime"
"syscall"
"testing"
"unsafe"
)
func TestNonblockingPipe(t *testing.T) {
// NonblockingPipe is the test name for nonblockingPipe.
r, w, errno := runtime.NonblockingPipe()
if errno != 0 {
t.Fatal(syscall.Errno(errno))
}
defer runtime.Close(w)
checkIsPipe(t, r, w)
checkNonblocking(t, r, "reader")
checkCloseonexec(t, r, "reader")
checkNonblocking(t, w, "writer")
checkCloseonexec(t, w, "writer")
// Test that fcntl returns an error as expected.
if runtime.Close(r) != 0 {
t.Fatalf("Close(%d) failed", r)
}
val, errno := runtime.Fcntl(r, syscall.F_GETFD, 0)
if val != -1 {
t.Errorf("Fcntl succeeded unexpectedly")
} else if syscall.Errno(errno) != syscall.EBADF {
t.Errorf("Fcntl failed with error %v, expected %v", syscall.Errno(errno), syscall.EBADF)
}
}
func checkIsPipe(t *testing.T, r, w int32) {
bw := byte(42)
if n := runtime.Write(uintptr(w), unsafe.Pointer(&bw), 1); n != 1 {
t.Fatalf("Write(w, &b, 1) == %d, expected 1", n)
}
var br byte
if n := runtime.Read(r, unsafe.Pointer(&br), 1); n != 1 {
t.Fatalf("Read(r, &b, 1) == %d, expected 1", n)
}
if br != bw {
t.Errorf("pipe read %d, expected %d", br, bw)
}
}
func checkNonblocking(t *testing.T, fd int32, name string) {
t.Helper()
flags, errno := runtime.Fcntl(fd, syscall.F_GETFL, 0)
if flags == -1 {
t.Errorf("fcntl(%s, F_GETFL) failed: %v", name, syscall.Errno(errno))
} else if flags&syscall.O_NONBLOCK == 0 {
t.Errorf("O_NONBLOCK not set in %s flags %#x", name, flags)
}
}
func checkCloseonexec(t *testing.T, fd int32, name string) {
t.Helper()
flags, errno := runtime.Fcntl(fd, syscall.F_GETFD, 0)
if flags == -1 {
t.Errorf("fcntl(%s, F_GETFD) failed: %v", name, syscall.Errno(errno))
} else if flags&syscall.FD_CLOEXEC == 0 {
t.Errorf("FD_CLOEXEC not set in %s flags %#x", name, flags)
}
}
Anon7 - 2022
AnonSec Team