/*
 * Copyright 2000, International Business Machines Corporation and others.
 * All Rights Reserved.
 *
 * This software has been released under the terms of the IBM Public
 * License.  For details, see the LICENSE file in the top-level source
 * directory or online at http://www.openafs.org/dl/license10.html
 */

#include <afsconfig.h>
#include "afs/param.h"


#include "afs/sysincludes.h"	/* Standard vendor system headers */
#include "afsincludes.h"	/* Afs-based standard headers */
#include "afs/afs_stats.h"	/* afs statistics */

#if AFS_GCPAGS

/* afs_osi_TraverseProcTable() - Walk through the systems process
 * table, calling afs_GCPAGs_perproc_func() for each process.
 */

void
afs_osi_TraverseProcTable(void)
{
    afs_proc_t *p;
    LIST_FOREACH(p, &allproc, p_list) {
	if (p->p_stat == SIDL)
	    continue;
	if (p->p_stat == SZOMB)
	    continue;
	if (p->p_flag & P_SYSTEM)
	    continue;
	afs_GCPAGs_perproc_func(p);
    }
}

/* return a pointer (sometimes a static copy ) to the cred for a
 * given afs_proc_t.
 * subsequent calls may overwrite the previously returned value.
 */
const afs_ucred_t *
afs_osi_proc2cred(afs_proc_t * pr)
{
	afs_ucred_t *rv = NULL;
	static afs_ucred_t cr;

	if (pr == NULL) {
		return NULL;
	}

	if ((pr->p_stat == SSLEEP) || (pr->p_stat == SRUN)
		|| (pr->p_stat == SSTOP)) {
		pcred_readlock(pr);
		cr.cr_ref = 1;
		afs_set_cr_uid(&cr, afs_cr_uid(pr->p_cred->pc_ucred));
		cr.cr_ngroups = pr->p_cred->pc_ucred->cr_ngroups;
		memcpy(cr.cr_groups, pr->p_cred->pc_ucred->cr_groups,
		NGROUPS * sizeof(gid_t));
		pcred_unlock(pr);
		rv = &cr;
	}

	return rv;
}

#endif /* AFS_GCPAGS */