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b16629f00c
Rewrite using GHashTable which already has interfaces for using a number as hash key. Glib's implementation doesn't copy the key by default, so we need to allocate it, but overal the interface is more suited for this case. Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
143 lines
4.6 KiB
C
143 lines
4.6 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 _virCgroupV2Devices {
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int mapfd;
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int progfd;
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ssize_t count;
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ssize_t max;
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};
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typedef struct _virCgroupV2Devices virCgroupV2Devices;
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typedef virCgroupV2Devices *virCgroupV2DevicesPtr;
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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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virCgroupV2Devices devices;
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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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GHashTable *pids,
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int controller,
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const char *taskFile,
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bool dormdir);
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