click.c endless loop

[jvoosten]

In the main() function of click.c there's this endless loop:

while (1) {
};

This seems rather wasteful as one process is constantly running and draining your battery. I don't know much about the gpio library but apparent the handling of the I/O pins is done with signals or interrupts. So perhaps there is also a function in the library that lets you sleep without blocking the pin handling?