#include <signal.h>

int sigrelse(int sig) {
  sigset_t mask;

  sigemptyset(&mask);
  if (sigaddset(&mask, sig) < 0)
    return -1;
  return sigprocmask(SIG_UNBLOCK, &mask, 0);
}
