test-stdio-pipe-write-returns-false.js

var spawn = require('child_process').spawn;

if (process.argv[2] !== 'child') {
  /* Master process. */
  var cp = spawn(process.execPath,
                 [process.argv[1], 'child'],
                 { customFds: [ -1, -1, 2 ] });
  cp.stdout.pause();
} else {
  var r, buffer;
  
  buffer = new Buffer(1024);
  buffer.fill(42);
  
  do {
    r = process.stdout.write(buffer);
    console.error("Child: process.stdout.write returned", r);
  } while (r);
}