C++ (Cpp) afs_GCPAGs_perproc_func Examples

Example #1

File: osi_gcpags.c Project: mattjsm/openafs-netbsd5

void
afs_osi_TraverseProcTable(void)
{
#if !defined(LINUX_KEYRING_SUPPORT) && (!defined(STRUCT_TASK_STRUCT_HAS_CRED) || defined(HAVE_LINUX_RCU_READ_LOCK))
    struct task_struct *p;

#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18) && defined(EXPORTED_TASKLIST_LOCK)
    if (&tasklist_lock)
	read_lock(&tasklist_lock);
#endif /* EXPORTED_TASKLIST_LOCK */
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18) && defined(EXPORTED_TASKLIST_LOCK)
    else
#endif /* EXPORTED_TASKLIST_LOCK && LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18) */
	rcu_read_lock();
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) */

#if defined(for_each_process)
    for_each_process(p) if (p->pid) {
#ifdef STRUCT_TASK_STRUCT_HAS_EXIT_STATE
	if (p->exit_state)
	    continue;
#else
	if (p->state & TASK_ZOMBIE)
	    continue;
#endif
	afs_GCPAGs_perproc_func(p);
    }
#else
    for_each_task(p) if (p->pid) {
#ifdef STRUCT_TASK_STRUCT_HAS_EXIT_STATE
	if (p->exit_state)
	    continue;
#else
	if (p->state & TASK_ZOMBIE)
	    continue;
#endif
	afs_GCPAGs_perproc_func(p);
    }
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18) && defined(EXPORTED_TASKLIST_LOCK)
    if (&tasklist_lock)
	read_unlock(&tasklist_lock);
#endif /* EXPORTED_TASKLIST_LOCK */
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18) && defined(EXPORTED_TASKLIST_LOCK)
    else
#endif /* EXPORTED_TASKLIST_LOCK && LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18) */
	rcu_read_unlock();
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) */
#endif
}

Example #2

File: osi_gcpags.c Project: adeason/openafs

void
afs_osi_TraverseProcTable(void)
{
    proc_t *p;
    int endchain = 0;

    MP_SPINLOCK(activeproc_lock);
    MP_SPINLOCK(sched_lock);
    pcred_lock();

    /*
     * Instead of iterating through all of proc[], traverse only
     * the list of active processes.  As an example of this,
     * see foreach_process() in sys/vm_sched.c.
     *
     * We hold the locks for the entire scan in order to get a
     * consistent view of the current set of creds.
     */

    for (p = proc; endchain == 0; p = &proc[p->p_fandx]) {
	if (p->p_fandx == 0) {
	    endchain = 1;
	}

	if (system_proc(p))
	    continue;

	mp_mtproc_lock(p);
	afs_GCPAGs_perproc_func(p);
	mp_mtproc_unlock(p);
    }

    pcred_unlock();
    MP_SPINUNLOCK(sched_lock);
    MP_SPINUNLOCK(activeproc_lock);
}