C++ (Cpp) security_task_getscheduler Exemples

Exemple #1

Fichier : mips-mt-fpaff.c Projet : atsidaev/linux-2.6-eb600

/*
 * mipsmt_sys_sched_getaffinity - get the cpu affinity of a process
 */
asmlinkage long mipsmt_sys_sched_getaffinity(pid_t pid, unsigned int len,
				      unsigned long __user *user_mask_ptr)
{
	unsigned int real_len;
	cpumask_t mask;
	int retval;
	struct task_struct *p;

	real_len = sizeof(mask);
	if (len < real_len)
		return -EINVAL;

	get_online_cpus();
	read_lock(&tasklist_lock);

	retval = -ESRCH;
	p = find_process_by_pid(pid);
	if (!p)
		goto out_unlock;
	retval = security_task_getscheduler(p);
	if (retval)
		goto out_unlock;

	cpus_and(mask, p->thread.user_cpus_allowed, cpu_possible_map);

out_unlock:
	read_unlock(&tasklist_lock);
	put_online_cpus();
	if (retval)
		return retval;
	if (copy_to_user(user_mask_ptr, &mask, real_len))
		return -EFAULT;
	return real_len;
}

Exemple #2

/*
 * mipsmt_sys_sched_getaffinity - get the cpu affinity of a process
 */
asmlinkage long mipsmt_sys_sched_getaffinity(pid_t pid, unsigned int len,
				      unsigned long __user *user_mask_ptr)
{
	unsigned int real_len;
	cpumask_t mask;
	int retval;
	struct task_struct *p;

	real_len = sizeof(mask);
	if (len < real_len)
		return -EINVAL;

	get_online_cpus();
	read_lock(&tasklist_lock);

	retval = -ESRCH;
	p = find_process_by_pid(pid);
	if (!p)
		goto out_unlock;
	retval = security_task_getscheduler(p);
	if (retval)
		goto out_unlock;

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