//
// 	Example of semaphore use
//


#include <stdio.h>
#include <dos.h>

#include "mmkernel.h"


TASK_INFO task_info;

mKTIME timedate;

int mutex;


void task1(void);
void task2(void);

//-------------------------------------------------------------------

void main()
{

// microkernel initialization
mK_init();


// task_creation
task_info.stack_size = 4000;
task_info.default_priority = 0;
task_info.current_priority = 0;

task_info.name = "1st task";
task_info.code = task1;
mK_create_task(&task_info);


task_info.name = "2nd task";
task_info.code = task2;
mK_create_task(&task_info);

// creation of a binary semaphore
mutex = mK_create_semaphore(1,1);

mK_start();

}

//-----------------------------------------

void task1(void)
{
static int i;

if(mK_local_init())
	{
	return;
	}

for(i=0;i<1000;++i)
	{
	mK_wait_semaphore(mutex);
	printf("I'm the first task.\n");
	mK_signal_semaphore(mutex);
	}


mK_end();
}


//-----------------------------------------------------------

void task2(void)
{
if(mK_local_init())
	{
	return;
	}

while(1)
	{
	mK_wait_semaphore(mutex);
	printf("I'm the second task.\n");
	mK_signal_semaphore(mutex);
	}

}