github.com/spotify/syslog-redirector-golang@v0.0.0-20140320174030-4859f03d829a/src/pkg/runtime/runtime_linux_test.go (about)

     1  // Copyright 2012 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  package runtime_test
     6  
     7  import (
     8  	. "runtime"
     9  	"syscall"
    10  	"testing"
    11  )
    12  
    13  var pid, tid int
    14  
    15  func init() {
    16  	// Record pid and tid of init thread for use during test.
    17  	// The call to LockOSThread is just to exercise it;
    18  	// we can't test that it does anything.
    19  	// Instead we're testing that the conditions are good
    20  	// for how it is used in init (must be on main thread).
    21  	pid, tid = syscall.Getpid(), syscall.Gettid()
    22  	LockOSThread()
    23  }
    24  
    25  func TestLockOSThread(t *testing.T) {
    26  	if pid != tid {
    27  		t.Fatalf("pid=%d but tid=%d", pid, tid)
    28  	}
    29  }