gistfile1.txt

#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <port.h>
#include <sys/lwp.h>
#include <pthread.h>

lwpid_t other = 0;
int port_fd = -1;

void *thr_port_get(void *unused;) {
  uint_t nget = 1;
  port_event_t ev;
  other = _lwp_self();
  port_fd = port_create();
  if(port_fd < 0) {
    fprintf(stderr, "Failed to port_create()\n");
    exit(-1);
  }
  port_getn(port_fd, &ev, 1, &nget, NULL);
  fprintf(stderr, "Exiting... problem.\n");
  exit(-1);
}
void stop_n_close(int sig) {
  _lwp_suspend(other);
  close(port_fd);
  kill(getpid(), sig);
}
int main() {
  pthread_t tid;
  pthread_create(&tid, NULL, thr_port_get, NULL);
  sleep(1);
  signal(SIGSEGV, stop_n_close);
  kill(getpid(), SIGSEGV);
}