// Compile with
// gcc main.c ./tls.c -Xlinker --wrap=pthread_create -lpthread -DTLS -o test

#include <stdio.h>
#include <pthread.h>
#include <unistd.h>
#include <asm/prctl.h>
#include <sys/prctl.h>

#include "./tls.h"

PER_THREAD_MEMORY_START
	int x;
PER_THREAD_MEMORY_END

#define WORKERS 2
 
void *the_work(void *dummy)
{
  unsigned long id = (unsigned long) dummy;
  
  int c;
  double d;

  printf("(%d) - Before work\n", id);
  c = READ_THREAD_VARIABLE(x);
  printf("(%d) - Variable x has value: %d\n", id, c);

  // ------
  if (id == 0) {
    WRITE_THREAD_VARIABLE(x, 10);
  } else if (id == 1) {
    WRITE_THREAD_VARIABLE(x, 20);
  }

  // ------
  printf("(%d) - After work\n", id);
  c = READ_THREAD_VARIABLE(x);
  printf("(%d) - Variable x has value: %d\n", id, c);

  return NULL;
}


int main(int argc, char** argv){
  pthread_t tid;
  long int i;

  for (i = 0; i < WORKERS; i++){
    pthread_create(&tid, NULL, the_work, (void*)i);
  }

  pause();
  return 0;
}