Function ThreadMain

test/pthread/test_pthread_create.c:17–53

unsigned int global_shared_data[NUM_THREADS];

void *ThreadMain(void *arg) {
  long idx = (long)arg;
  unsigned int param = global_shared_data[idx];

#define N 100

  emscripten_errf("Thread idx %lu: sorting %d numbers with param %d", idx, N, param);

  unsigned int n[N];
  // Create a shifted increasing sequence of numbers [0, N-1[
  for (unsigned int i = 0; i < N; ++i) {
    n[i] = (i + param) % N;
  }

  // Sort the sequence to ordered [0, N[
  for (unsigned int i = 0; i < N; ++i) {
    for (unsigned int j = i; j < N; ++j) {
      if (n[i] > n[j]) {
        unsigned int t = n[i];
        n[i] = n[j];
        n[j] = t;
      }
    }
  }
  // Ensure all elements are in place.
  intptr_t numGood = 0;
  for (unsigned int i = 0; i < N; ++i) {
    if (n[i] == i) {
      ++numGood;
    } else {
      emscripten_errf("n[%d]=%d", i, n[i]);
    }
  }

  emscripten_outf("Thread idx %ld with param %d: all done with result %ld.", idx, param, numGood);
  pthread_exit((void*)numGood);
}

pthread_t thread[NUM_THREADS];