#include <stdio.h>#include <pthread.h>#include <errno.h> intmain(void){  int ret;  pthread_condattr_t attr;  pthread_cond_t condition;   /* This test fails if symbol versioning does not work */  pthread_condattr_init (&attr);  pthread_condattr_setpshared (&attr, PTHREAD_PROCESS_SHARED);  printf ("%s\n", pthread_cond_init (&condition, &attr) ? "fail":"ok");  pthread_condattr_destroy (&attr);  return 0;}