@Override
public int waitFor() throws InterruptedException {
if (exitValue == Integer.MIN_VALUE) {
exitValue = CSystem.INSTANCE.pclose(fd);
if (exitValue == -1) {
throw new RuntimeException("Failed to close process.");
}
}
return exitValue;
}
private void doBuildCommand(final ForkerBuilder builder) {
fd = CSystem.INSTANCE.popen(buildCommand(builder), builder.io() == IO.INPUT ? "r" : "w");
}
