test_pthread_locale.c

/*
 * Copyright 2017 The Emscripten Authors.  All rights reserved.
 * Emscripten is available under two separate licenses, the MIT license and the
 * University of Illinois/NCSA Open Source License.  Both these licenses can be
 * found in the LICENSE file.
 */

#include <assert.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <locale.h>
#include <emscripten/threading.h>

locale_t do_test() {
  pthread_t thread = pthread_self();
  locale_t loc = uselocale((locale_t)0);
  printf("  pthread_self() = %p\n", thread);
  printf("  current locale: %p\n", loc);

  assert(loc);
  return loc;
}

void *thread_test(void *t) {
  puts("Doing test in child thread");
  pthread_exit((void*)do_test());
}

int main (int argc, char *argv[]) {
  puts("Doing test in main thread");
  locale_t main_loc = do_test();
  locale_t child_loc;

  pthread_t thread;
  int rtn;

  rtn = pthread_create(&thread, NULL, thread_test, (void *)NULL);
  printf("create: %d\n", rtn);
  assert(!rtn);
  rtn = pthread_join(thread, (void**)&child_loc);
  assert(!rtn);

  assert(main_loc == child_loc);

  return 0;
}