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c23829f18a
If we need to get a path of specific file and we need to check its existence before we use it then we can reuse that path to get value for specific device. This way we will not build the path again in virCgroupGetValueForBlkDev. Signed-off-by: Pavel Hrdina <phrdina@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
133 lines
4.3 KiB
C
133 lines
4.3 KiB
C
/*
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* vircgrouppriv.h: methods for managing control cgroups
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*
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* Copyright (C) 2011-2013 Red Hat, Inc.
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* Copyright IBM Corp. 2008
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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#ifndef LIBVIRT_VIRCGROUPPRIV_H_ALLOW
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# error "vircgrouppriv.h may only be included by vircgroup.c or its test suite"
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#endif /* LIBVIRT_VIRCGROUPPRIV_H_ALLOW */
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#pragma once
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#include "vircgroup.h"
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#include "vircgroupbackend.h"
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struct _virCgroupV1Controller {
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int type;
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char *mountPoint;
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/* If mountPoint holds several controllers co-mounted,
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* then linkPoint is path of the symlink to the mountPoint
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* for just the one controller
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*/
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char *linkPoint;
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char *placement;
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};
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typedef struct _virCgroupV1Controller virCgroupV1Controller;
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typedef virCgroupV1Controller *virCgroupV1ControllerPtr;
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struct _virCgroupV2Controller {
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int controllers;
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char *mountPoint;
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char *placement;
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};
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typedef struct _virCgroupV2Controller virCgroupV2Controller;
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typedef virCgroupV2Controller *virCgroupV2ControllerPtr;
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struct _virCgroup {
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char *path;
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virCgroupBackendPtr backends[VIR_CGROUP_BACKEND_TYPE_LAST];
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virCgroupV1Controller legacy[VIR_CGROUP_CONTROLLER_LAST];
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virCgroupV2Controller unified;
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};
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int virCgroupSetValueRaw(const char *path,
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const char *value);
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int virCgroupGetValueRaw(const char *path,
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char **value);
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int virCgroupSetValueStr(virCgroupPtr group,
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int controller,
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const char *key,
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const char *value);
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int virCgroupGetValueStr(virCgroupPtr group,
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int controller,
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const char *key,
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char **value);
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int virCgroupSetValueU64(virCgroupPtr group,
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int controller,
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const char *key,
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unsigned long long int value);
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int virCgroupGetValueU64(virCgroupPtr group,
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int controller,
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const char *key,
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unsigned long long int *value);
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int virCgroupSetValueI64(virCgroupPtr group,
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int controller,
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const char *key,
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long long int value);
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int virCgroupGetValueI64(virCgroupPtr group,
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int controller,
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const char *key,
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long long int *value);
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int virCgroupPartitionEscape(char **path);
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char *virCgroupGetBlockDevString(const char *path);
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int virCgroupGetValueForBlkDev(const char *str,
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const char *devPath,
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char **value);
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int virCgroupNew(pid_t pid,
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const char *path,
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virCgroupPtr parent,
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int controllers,
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virCgroupPtr *group);
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int virCgroupNewPartition(const char *path,
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bool create,
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int controllers,
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virCgroupPtr *group)
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ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(4);
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int virCgroupNewDomainPartition(virCgroupPtr partition,
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const char *driver,
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const char *name,
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bool create,
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virCgroupPtr *group)
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ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(5);
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int virCgroupRemoveRecursively(char *grppath);
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int virCgroupKillRecursiveInternal(virCgroupPtr group,
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int signum,
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virHashTablePtr pids,
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int controller,
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const char *taskFile,
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bool dormdir);
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