C++ (Cpp) proc_sys_poll_event Beispiele

Beispiel #1

Datei: proc_sysctl.c Projekt: OneOfMany07/fjord-kernel

static unsigned int proc_sys_poll(struct file *filp, poll_table *wait)
{
	struct inode *inode = filp->f_path.dentry->d_inode;
	struct ctl_table_header *head = grab_header(inode);
	struct ctl_table *table = PROC_I(inode)->sysctl_entry;
	unsigned int ret = DEFAULT_POLLMASK;
	unsigned long event;

	/* sysctl was unregistered */
	if (IS_ERR(head))
		return POLLERR | POLLHUP;

	if (!table->proc_handler)
		goto out;

	if (!table->poll)
		goto out;

	event = (unsigned long)filp->private_data;
	poll_wait(filp, &table->poll->wait, wait);

	if (event != atomic_read(&table->poll->event)) {
		filp->private_data = proc_sys_poll_event(table->poll);
		ret = POLLIN | POLLRDNORM | POLLERR | POLLPRI;
	}

out:
	sysctl_head_finish(head);

	return ret;
}

Beispiel #2

Datei: proc_sysctl.c Projekt: nos1609/Chrono_Kernel-1

static int proc_sys_open(struct inode *inode, struct file *filp)
{
	struct ctl_table *table = PROC_I(inode)->sysctl_entry;

	if (table->poll)
		filp->private_data = proc_sys_poll_event(table->poll);

	return 0;
}

Beispiel #3

Datei: proc_sysctl.c Projekt: OneOfMany07/fjord-kernel

static int proc_sys_open(struct inode *inode, struct file *filp)
{
	struct ctl_table_header *head = grab_header(inode);
	struct ctl_table *table = PROC_I(inode)->sysctl_entry;

	/* sysctl was unregistered */
	if (IS_ERR(head))
		return PTR_ERR(head);

	if (table->poll)
		filp->private_data = proc_sys_poll_event(table->poll);

	sysctl_head_finish(head);

	return 0;
}

Beispiel #4

Datei: proc_sysctl.c Projekt: nos1609/Chrono_Kernel-1

static unsigned int proc_sys_poll(struct file *filp, poll_table *wait)
{
	struct inode *inode = filp->f_path.dentry->d_inode;
	struct ctl_table *table = PROC_I(inode)->sysctl_entry;
	unsigned long event = (unsigned long)filp->private_data;
	unsigned int ret = DEFAULT_POLLMASK;

	if (!table->proc_handler)
		goto out;

	if (!table->poll)
		goto out;

	poll_wait(filp, &table->poll->wait, wait);

	if (event != atomic_read(&table->poll->event)) {
		filp->private_data = proc_sys_poll_event(table->poll);
		ret = POLLIN | POLLRDNORM | POLLERR | POLLPRI;
	}

out:
	return ret;
}