C++ (Cpp) get_free_pos_unlocked Examples

Example #1

File: mytbf.c Project: wcybxzj/shangguan

mytbf_t *mytbf_init(int cps,int burst)
{
	struct mytbf_st *me;
	int pos;

	pthread_once(&once_init,module_load);
		
	me = malloc(sizeof(*me));
	if(me == NULL)
		return NULL;
	
	me->cps = cps;
	me->burst = burst;
	me->token = 0;
	pthread_mutex_init(&me->mut,NULL);
	pthread_cond_init(&me->cond,NULL);

	pthread_mutex_lock(&mut_job);

	pos = get_free_pos_unlocked();
	if(pos < 0)
	{
		pthread_mutex_unlock(&mut_job);
		pthread_mutex_destroy(&me->mut);
		free(me);
		return NULL;
	}
	
	me->pos = pos;
	job[pos] = me;
	
	pthread_mutex_unlock(&mut_job);

	return me;
}

Example #2

File: mytbf.c Project: harkhuang/harkcode

int mytbf_new(mytbf_t**ptr, int cps, int burst)
{
	struct mytbf_st *self;
	int pos;

	pthread_once(&init_once, module_load);

	self = malloc(sizeof(*self));
	if (self==NULL) {
		return errno;
	}

	self->token = 0;
	self->cps = cps;
	self->burst = burst;

	pthread_mutex_lock(&mut_job);
	pos = get_free_pos_unlocked();
	if (pos<0) {
		pthread_mutex_unlock(&mut_job);
		free(self);
		return EBUSY;
	}

	self->pos = pos;

	job[pos] = self;
	pthread_mutex_init(&self->mut, NULL);

	pthread_mutex_unlock(&mut_job);

	*ptr = self;

	return 0;
}

Example #3

File: relayer.c Project: wcybxzj/shangguan

int rel_addjob(int fd1,int fd2)
{
	struct rel_job_st *me;
	int pos;

	if(fd1 < 0 || fd2 < 0)
		return -EINVAL;

	me = malloc(sizeof(*me));
	if(me == NULL)
		return -ENOMEM;

	me->fd1 = fd1;
	me->fd2 = fd2;
	me->job_state = STATE_RUNNING;
	//使用阻塞IO完全可以，select可以具体获取那个fd的什么类型事件
	//me->fd1_save = fcntl(me->fd1,F_GETFL);
	//fcntl(me->fd1,F_SETFL,me->fd1_save|O_NONBLOCK);
	//me->fd2_save = fcntl(me->fd2,F_GETFL);
	//fcntl(me->fd2,F_SETFL,me->fd2_save|O_NONBLOCK);

	me->fsm12.sfd = me->fd1;
	me->fsm12.dfd = me->fd2;
	me->fsm12.count = 0;
	me->fsm12.state = STATE_R;
	me->fsm21.sfd = me->fd2;
	me->fsm21.dfd = me->fd1;
	me->fsm21.count = 0;
	me->fsm21.state = STATE_R;

	pthread_mutex_lock(&mut_rel_job);
	pos = get_free_pos_unlocked();
	if(pos < 0)
	{
		pthread_mutex_unlock(&mut_rel_job);
		//fcntl(me->fd1,F_SETFL,me->fd1_save);
		//fcntl(me->fd2,F_SETFL,me->fd2_save);
		free(me);
		return -ENOSPC;
	}

	rel_job[pos] = me;
	pthread_mutex_unlock(&mut_rel_job);

	return pos;
}