#ifdef DECLARE_POINTERS
#define FEXTERN
#else
#define FEXTERN extern
#endif
#include <pthread.h>

#define pthread_create sopthread_create
#define pthread_exit sopthread_exit
#define pthread_detach sopthread_detach
#define pthread_self sopthread_self

typedef int (*pthread_create_fp)(pthread_t *__threadx,__const pthread_attr_t *__attr,void *(*__start_routine) (void *),void *__arg);
FEXTERN pthread_create_fp sopthread_create;

typedef void (*pthread_exit_fp)(void *__retval);
FEXTERN pthread_exit_fp sopthread_exit;

typedef int (*pthread_detach_fp)(pthread_t __th);
FEXTERN pthread_detach_fp sopthread_detach;

typedef pthread_t (*pthread_self_fp)(void);
FEXTERN pthread_self_fp sopthread_self;

#ifndef DECLARE_POINTERS
bool LoadPThreadLib(bool load = true);
#else
#include <dlfcn.h>
#include <stdlib.h>
#include <stdio.h>
void LoadPThreadLibSetNULL(void)
{
	sopthread_create = NULL;
	sopthread_exit = NULL;
	sopthread_detach = NULL;
	sopthread_self = NULL;
}

bool LoadPThreadLib(bool load)
{
#define PTHREADLIB	"libpthread.so"
	static void *handle = NULL;

	if(!load)
	{
		LoadPThreadLibSetNULL();
		if(handle)
		{
			dlclose(handle);
			handle = NULL;
			return true;
		}
		fprintf(stderr,"Library Unload Failed: %s\n",PTHREADLIB);
		return false;
	}

	if(handle)
		return true;

	// Load the library
	handle = dlopen(PTHREADLIB,RTLD_LAZY|RTLD_GLOBAL);
	if(!handle)
	{
		fprintf(stderr,"Library Load Failed: %s\n",PTHREADLIB);
		return false;
	}

	sopthread_create = (pthread_create_fp)dlsym(handle,"pthread_create");
	if(!sopthread_create) goto load_error;
	
	sopthread_exit = (pthread_exit_fp)dlsym(handle,"pthread_exit");
	if(!sopthread_exit) goto load_error;
	
	sopthread_detach = (pthread_detach_fp)dlsym(handle,"pthread_detach");
	if(!sopthread_detach) goto load_error;
	
	sopthread_self = (pthread_self_fp)dlsym(handle,"pthread_self");
	if(!sopthread_self) goto load_error;

	return true;

load_error:
	LoadPThreadLibSetNULL();
	fprintf(stderr,"Library Symbol Resolve Error: %s\n",PTHREADLIB);
	dlclose(handle);
	handle = NULL;
	return false;
}
#endif