test0319c.cpp

应用小程序

#include "vxWorks.h"
#include "taskLib.h"
#include "logLib.h"
#include "sigLib.h"
#include "stdio.h"
#include "errnoLib.h"
#include "string.h"

#define STACK_SIZE 20000

SEM_ID semId;
int tidsigRx;

STATUS progStart();
STATUS progStop();
STATUS sigRx();
STATUS sigTx();
void sigHandler(int sig);

STATUS progStart()
{
	semId = semBCreate( SEM_Q_PRIORITY, SEM_EMPTY );

	tidsigRx = taskSpawn( "tsigRx", 200, 0, STACK_SIZE, (FUNCPTR)sigRx,
							0, 0, 0, 0, 0, 0, 0, 0, 0, 0 );
	logMsg("start\n", 0, 0, 0, 0, 0, 0 );
	
	return OK;
}

STATUS sigRx()
{
	signal( SIGUSR1, sigHandler );

	semTake( semId, WAIT_FOREVER );
	printf("000000000\n");
	
	return OK;
}

void sigHandler(int sig)
{
	if( sig != SIGUSR1 )
	{
		logMsg( "sigHandler : Invalid sig  %d\n", sig, 0, 0, 0, 0, 0 );
	}

	logMsg( "sigHandler is running in %s 's context!\n", (int)taskName(taskIdSelf()), 0, 0, 0, 0, 0 );
}

STATUS txSignal()
{
	kill( tidsigRx, SIGUSR1 );

	return OK;
}

STATUS progStop()
{
	taskDelete( tidsigRx );

	semDelete(semId);
	printf("Bye bye!!!\n");
	
	return OK;
}