Function that pauses the execution of a program without affecting the signals.

millisleep.c

#include <time.h>   /* Needed for struct timespec */

/**
 * Pauses the execution of a program without affecting the signals.
 * Note: Compile with '-std=gnu11'.
 * 
 * @param millis	Milliseconds to sleep.
 */
void millisleep(int millis)
{
	struct timespec ts;

	ts.tv_sec = millis / 1000;
	ts.tv_nsec = (millis % 1000) * 1e6;

	// See: man 2 nanosleep
	nanosleep(&ts, NULL);
}