Process.prototype.wait = function() {
if (this._result === null) {
var r = os.waitpid(this._pid);
assert.equal(r.pid, this._pid);
this._result = {exit_status: 0, term_signal: 0};
if (os.WIFEXITED(r.status)) {
this._result.exit_status = os.WEXITSTATUS(r.status);
}
if (os.WIFSIGNALED(r.status)) {
this._result.term_signal = os.WTERMSIG(r.status);
}
}
return this._result;
}
var wfd = p[1];
var pid = os.fork();
if (pid == 0) {
// child
os.dup2(wfd, 1, false);
os.execv(system.executable,
[system.executable, path.join(__dirname, 'helper8.js')]);
assert(false);
} else {
// parent
os.close(wfd);
var data = '';
for (;;) {
var chunk = os.read(rfd, 16834);
chunk = new TextDecoder().decode(chunk);
if (chunk) {
data += chunk;
} else {
break;
}
}
assert.equal(data, 'HELLO SJS\n');
var r = os.waitpid(pid);
assert.equal(r.pid, pid);
assert(os.WIFEXITED(r.status));
assert.equal(os.WEXITSTATUS(r.status), 0);
}