[libvirt] [PATCH v2 4/5] cgroup macros refactoring
Roman Bogorodskiy
bogorodskiy at gmail.com
Sun Aug 11 12:04:28 UTC 2013
Complete moving to VIR_CGROUP_SUPPORTED
---
src/util/vircgroup.c | 497 ++++++++++++++++++++++++++++-----------------------
1 file changed, 272 insertions(+), 225 deletions(-)
diff --git a/src/util/vircgroup.c b/src/util/vircgroup.c
index 795897b..e5625f8 100644
--- a/src/util/vircgroup.c
+++ b/src/util/vircgroup.c
@@ -74,7 +74,134 @@ typedef enum {
*/
} virCgroupFlags;
-#if defined HAVE_MNTENT_H && defined HAVE_GETMNTENT_R
+
+#ifdef VIR_CGROUP_SUPPORTED
+bool virCgroupAvailable(void)
+{
+ bool ret = false;
+ FILE *mounts = NULL;
+ struct mntent entry;
+ char buf[CGROUP_MAX_VAL];
+
+ if (!virFileExists("/proc/cgroups"))
+ return false;
+
+ if (!(mounts = fopen("/proc/mounts", "r")))
+ return false;
+
+ while (getmntent_r(mounts, &entry, buf, sizeof(buf)) != NULL) {
+ if (STREQ(entry.mnt_type, "cgroup")) {
+ ret = true;
+ break;
+ }
+ }
+
+ VIR_FORCE_FCLOSE(mounts);
+ return ret;
+}
+
+
+static int virCgroupPartitionEscape(char **path);
+
+static bool
+virCgroupValidateMachineGroup(virCgroupPtr group,
+ const char *name,
+ const char *drivername,
+ const char *partition,
+ bool stripEmulatorSuffix)
+{
+ size_t i;
+ bool valid = false;
+ char *partname;
+ char *scopename;
+
+ if (virAsprintf(&partname, "%s.libvirt-%s",
+ name, drivername) < 0)
+ goto cleanup;
+
+ if (virCgroupPartitionEscape(&partname) < 0)
+ goto cleanup;
+
+ if (!partition)
+ partition = "/machine";
+
+ if (!(scopename = virSystemdMakeScopeName(name, drivername, partition)))
+ goto cleanup;
+
+ if (virCgroupPartitionEscape(&scopename) < 0)
+ goto cleanup;
+
+ for (i = 0; i < VIR_CGROUP_CONTROLLER_LAST; i++) {
+ char *tmp;
+
+ if (i == VIR_CGROUP_CONTROLLER_SYSTEMD)
+ continue;
+
+ if (!group->controllers[i].placement)
+ continue;
+
+ tmp = strrchr(group->controllers[i].placement, '/');
+ if (!tmp)
+ goto cleanup;
+
+ if (stripEmulatorSuffix &&
+ (i == VIR_CGROUP_CONTROLLER_CPU ||
+ i == VIR_CGROUP_CONTROLLER_CPUACCT ||
+ i == VIR_CGROUP_CONTROLLER_CPUSET)) {
+ if (STREQ(tmp, "/emulator"))
+ *tmp = '\0';
+ tmp = strrchr(group->controllers[i].placement, '/');
+ if (!tmp)
+ goto cleanup;
+ }
+
+ tmp++;
+
+ if (STRNEQ(tmp, name) &&
+ STRNEQ(tmp, partname) &&
+ STRNEQ(tmp, scopename)) {
+ VIR_DEBUG("Name '%s' for controller '%s' does not match '%s', '%s' or '%s'",
+ tmp, virCgroupControllerTypeToString(i), name, partname, scopename);
+ goto cleanup;
+ }
+ }
+
+ valid = true;
+
+ cleanup:
+ VIR_FREE(partname);
+ VIR_FREE(scopename);
+ return valid;
+}
+
+
+/*
+ * Returns 0 on success (but @group may be NULL), -1 on fatal error
+ */
+int virCgroupNewDetectMachine(const char *name,
+ const char *drivername,
+ pid_t pid,
+ const char *partition,
+ int controllers,
+ virCgroupPtr *group)
+{
+ if (virCgroupNewDetect(pid, controllers, group) < 0) {
+ if (virCgroupNewIgnoreError())
+ return 0;
+ return -1;
+ }
+
+ if (!virCgroupValidateMachineGroup(*group, name, drivername, partition, true)) {
+ VIR_DEBUG("Failed to validate machine name for '%s' driver '%s'",
+ name, drivername);
+ virCgroupFree(group);
+ return 0;
+ }
+
+ return 0;
+}
+
+
static int virCgroupCopyMounts(virCgroupPtr group,
virCgroupPtr parent)
{
@@ -346,6 +473,7 @@ cleanup:
return ret;
}
+
static int virCgroupDetect(virCgroupPtr group,
pid_t pid,
int controllers,
@@ -453,7 +581,6 @@ static int virCgroupDetect(virCgroupPtr group,
return 0;
}
-#endif
int virCgroupPathOfController(virCgroupPtr group,
@@ -531,6 +658,7 @@ cleanup:
return ret;
}
+
static int virCgroupGetValueStr(virCgroupPtr group,
int controller,
const char *key,
@@ -563,6 +691,7 @@ cleanup:
return ret;
}
+
static int virCgroupSetValueU64(virCgroupPtr group,
int controller,
const char *key,
@@ -582,7 +711,6 @@ static int virCgroupSetValueU64(virCgroupPtr group,
}
-
static int virCgroupSetValueI64(virCgroupPtr group,
int controller,
const char *key,
@@ -601,6 +729,7 @@ static int virCgroupSetValueI64(virCgroupPtr group,
return ret;
}
+
static int virCgroupGetValueI64(virCgroupPtr group,
int controller,
const char *key,
@@ -626,6 +755,7 @@ cleanup:
return ret;
}
+
static int virCgroupGetValueU64(virCgroupPtr group,
int controller,
const char *key,
@@ -652,7 +782,6 @@ cleanup:
}
-#if defined HAVE_MNTENT_H && defined HAVE_GETMNTENT_R
static int virCgroupCpuSetInherit(virCgroupPtr parent, virCgroupPtr group)
{
size_t i;
@@ -686,6 +815,7 @@ static int virCgroupCpuSetInherit(virCgroupPtr parent, virCgroupPtr group)
return 0;
}
+
static int virCgroupSetMemoryUseHierarchy(virCgroupPtr group)
{
unsigned long long value;
@@ -709,6 +839,7 @@ static int virCgroupSetMemoryUseHierarchy(virCgroupPtr group)
return 0;
}
+
static int virCgroupMakeGroup(virCgroupPtr parent,
virCgroupPtr group,
bool create,
@@ -847,7 +978,6 @@ error:
return -1;
}
-#endif
/**
@@ -930,6 +1060,7 @@ cleanup:
return ret;
}
+
/**
* virCgroupAddTaskController:
*
@@ -1002,6 +1133,7 @@ cleanup:
return rc;
}
+
/**
* virCgroupMoveTask:
*
@@ -1050,7 +1182,6 @@ cleanup:
}
-#if defined HAVE_MNTENT_H && defined HAVE_GETMNTENT_R
static int virCgroupPartitionNeedsEscaping(const char *path)
{
FILE *fp = NULL;
@@ -1120,6 +1251,7 @@ cleanup:
return ret;
}
+
static int virCgroupPartitionEscape(char **path)
{
size_t len = strlen(*path) + 1;
@@ -1135,6 +1267,7 @@ static int virCgroupPartitionEscape(char **path)
return 0;
}
+
static int virCgroupSetPartitionSuffix(const char *path, char **res)
{
char **tokens;
@@ -1179,6 +1312,7 @@ cleanup:
return ret;
}
+
/**
* virCgroupNewPartition:
* @path: path for the partition
@@ -1242,17 +1376,6 @@ cleanup:
VIR_FREE(newpath);
return ret;
}
-#else
-int virCgroupNewPartition(const char *path ATTRIBUTE_UNUSED,
- bool create ATTRIBUTE_UNUSED,
- int controllers ATTRIBUTE_UNUSED,
- virCgroupPtr *group ATTRIBUTE_UNUSED)
-{
- virReportSystemError(ENXIO, "%s",
- _("Control groups not supported on this platform"));
- return -1;
-}
-#endif
/**
@@ -1281,7 +1404,6 @@ int virCgroupNewSelf(virCgroupPtr *group)
*
* Returns 0 on success, or -1 on error
*/
-#if defined HAVE_MNTENT_H && defined HAVE_GETMNTENT_R
int virCgroupNewDomainPartition(virCgroupPtr partition,
const char *driver,
const char *name,
@@ -1323,18 +1445,7 @@ cleanup:
VIR_FREE(grpname);
return ret;
}
-#else
-int virCgroupNewDomainPartition(virCgroupPtr partition ATTRIBUTE_UNUSED,
- const char *driver ATTRIBUTE_UNUSED,
- const char *name ATTRIBUTE_UNUSED,
- bool create ATTRIBUTE_UNUSED,
- virCgroupPtr *group ATTRIBUTE_UNUSED)
-{
- virReportSystemError(ENXIO, "%s",
- _("Control groups not supported on this platform"));
- return -1;
-}
-#endif
+
/**
* virCgroupNewVcpu:
@@ -1346,7 +1457,6 @@ int virCgroupNewDomainPartition(virCgroupPtr partition ATTRIBUTE_UNUSED,
*
* Returns 0 on success, or -1 on error
*/
-#if defined HAVE_MNTENT_H && defined HAVE_GETMNTENT_R
int virCgroupNewVcpu(virCgroupPtr domain,
int vcpuid,
bool create,
@@ -1377,17 +1487,7 @@ cleanup:
VIR_FREE(name);
return ret;
}
-#else
-int virCgroupNewVcpu(virCgroupPtr domain ATTRIBUTE_UNUSED,
- int vcpuid ATTRIBUTE_UNUSED,
- bool create ATTRIBUTE_UNUSED,
- virCgroupPtr *group ATTRIBUTE_UNUSED)
-{
- virReportSystemError(ENXIO, "%s",
- _("Control groups not supported on this platform"));
- return -1;
-}
-#endif
+
/**
* virCgroupNewEmulator:
@@ -1398,7 +1498,6 @@ int virCgroupNewVcpu(virCgroupPtr domain ATTRIBUTE_UNUSED,
*
* Returns: 0 on success or -1 on error
*/
-#if defined HAVE_MNTENT_H && defined HAVE_GETMNTENT_R
int virCgroupNewEmulator(virCgroupPtr domain,
bool create,
virCgroupPtr *group)
@@ -1423,36 +1522,14 @@ int virCgroupNewEmulator(virCgroupPtr domain,
cleanup:
return ret;
}
-#else
-int virCgroupNewEmulator(virCgroupPtr domain ATTRIBUTE_UNUSED,
- bool create ATTRIBUTE_UNUSED,
- virCgroupPtr *group ATTRIBUTE_UNUSED)
-{
- virReportSystemError(ENXIO, "%s",
- _("Control groups not supported on this platform"));
- return -1;
-}
-#endif
-
-#if defined HAVE_MNTENT_H && defined HAVE_GETMNTENT_R
int virCgroupNewDetect(pid_t pid,
int controllers,
virCgroupPtr *group)
{
return virCgroupNew(pid, "", NULL, controllers, group);
}
-#else
-int virCgroupNewDetect(pid_t pid ATTRIBUTE_UNUSED,
- int controllers ATTRIBUTE_UNUSED,
- virCgroupPtr *group ATTRIBUTE_UNUSED)
-{
- virReportSystemError(ENXIO, "%s",
- _("Control groups not supported on this platform"));
- return -1;
-}
-#endif
/*
@@ -1561,6 +1638,7 @@ virCgroupNewMachineSystemd(const char *name,
return ret;
}
+
static int
virCgroupNewMachineManual(const char *name,
const char *drivername,
@@ -1608,6 +1686,7 @@ cleanup:
return ret;
}
+
int virCgroupNewMachine(const char *name,
const char *drivername,
bool privileged,
@@ -1646,6 +1725,7 @@ int virCgroupNewMachine(const char *name,
group);
}
+
bool virCgroupNewIgnoreError(void)
{
if (virLastErrorIsSystemErrno(ENXIO) ||
@@ -1658,6 +1738,7 @@ bool virCgroupNewIgnoreError(void)
return false;
}
+
/**
* virCgroupSetBlkioWeight:
*
@@ -1681,6 +1762,7 @@ int virCgroupSetBlkioWeight(virCgroupPtr group, unsigned int weight)
weight);
}
+
/**
* virCgroupGetBlkioWeight:
*
@@ -1701,6 +1783,7 @@ int virCgroupGetBlkioWeight(virCgroupPtr group, unsigned int *weight)
return ret;
}
+
/**
* virCgroupSetBlkioDeviceWeight:
*
@@ -1713,7 +1796,6 @@ int virCgroupGetBlkioWeight(virCgroupPtr group, unsigned int *weight)
*
* Returns: 0 on success, -1 on error
*/
-#if defined(major) && defined(minor)
int virCgroupSetBlkioDeviceWeight(virCgroupPtr group,
const char *path,
unsigned int weight)
@@ -1754,17 +1836,7 @@ int virCgroupSetBlkioDeviceWeight(virCgroupPtr group,
VIR_FREE(str);
return ret;
}
-#else
-int
-virCgroupSetBlkioDeviceWeight(virCgroupPtr group ATTRIBUTE_UNUSED,
- const char *path ATTRIBUTE_UNUSED,
- unsigned int weight ATTRIBUTE_UNUSED)
-{
- virReportSystemError(ENOSYS, "%s",
- _("Control groups not supported on this platform"));
- return -1;
-}
-#endif
+
/**
* virCgroupSetMemory:
@@ -1797,6 +1869,7 @@ int virCgroupSetMemory(virCgroupPtr group, unsigned long long kb)
kb << 10);
}
+
/**
* virCgroupGetMemoryUsage:
*
@@ -1817,6 +1890,7 @@ int virCgroupGetMemoryUsage(virCgroupPtr group, unsigned long *kb)
return ret;
}
+
/**
* virCgroupSetMemoryHardLimit:
*
@@ -1830,6 +1904,7 @@ int virCgroupSetMemoryHardLimit(virCgroupPtr group, unsigned long long kb)
return virCgroupSetMemory(group, kb);
}
+
/**
* virCgroupGetMemoryHardLimit:
*
@@ -1850,6 +1925,7 @@ int virCgroupGetMemoryHardLimit(virCgroupPtr group, unsigned long long *kb)
return ret;
}
+
/**
* virCgroupSetMemorySoftLimit:
*
@@ -1902,6 +1978,7 @@ int virCgroupGetMemorySoftLimit(virCgroupPtr group, unsigned long long *kb)
return ret;
}
+
/**
* virCgroupSetMemSwapHardLimit:
*
@@ -1933,6 +2010,7 @@ int virCgroupSetMemSwapHardLimit(virCgroupPtr group, unsigned long long kb)
kb << 10);
}
+
/**
* virCgroupGetMemSwapHardLimit:
*
@@ -1953,6 +2031,7 @@ int virCgroupGetMemSwapHardLimit(virCgroupPtr group, unsigned long long *kb)
return ret;
}
+
/**
* virCgroupGetMemSwapUsage:
*
@@ -1973,6 +2052,7 @@ int virCgroupGetMemSwapUsage(virCgroupPtr group, unsigned long long *kb)
return ret;
}
+
/**
* virCgroupSetCpusetMems:
*
@@ -1989,6 +2069,7 @@ int virCgroupSetCpusetMems(virCgroupPtr group, const char *mems)
mems);
}
+
/**
* virCgroupGetCpusetMems:
*
@@ -2005,6 +2086,7 @@ int virCgroupGetCpusetMems(virCgroupPtr group, char **mems)
mems);
}
+
/**
* virCgroupSetCpusetCpus:
*
@@ -2021,6 +2103,7 @@ int virCgroupSetCpusetCpus(virCgroupPtr group, const char *cpus)
cpus);
}
+
/**
* virCgroupGetCpusetCpus:
*
@@ -2037,6 +2120,7 @@ int virCgroupGetCpusetCpus(virCgroupPtr group, char **cpus)
cpus);
}
+
/**
* virCgroupDenyAllDevices:
*
@@ -2052,6 +2136,7 @@ int virCgroupDenyAllDevices(virCgroupPtr group)
"a");
}
+
/**
* virCgroupAllowDevice:
*
@@ -2088,6 +2173,7 @@ cleanup:
return ret;
}
+
/**
* virCgroupAllowDeviceMajor:
*
@@ -2123,6 +2209,7 @@ cleanup:
return ret;
}
+
/**
* virCgroupAllowDevicePath:
*
@@ -2136,7 +2223,6 @@ cleanup:
* Returns: 0 on success, 1 if path exists but is not a device, or
* -1 on error
*/
-#if defined(major) && defined(minor)
int virCgroupAllowDevicePath(virCgroupPtr group, const char *path, int perms)
{
struct stat sb;
@@ -2157,16 +2243,6 @@ int virCgroupAllowDevicePath(virCgroupPtr group, const char *path, int perms)
minor(sb.st_rdev),
perms);
}
-#else
-int virCgroupAllowDevicePath(virCgroupPtr group ATTRIBUTE_UNUSED,
- const char *path ATTRIBUTE_UNUSED,
- int perms ATTRIBUTE_UNUSED)
-{
- virReportSystemError(ENOSYS, "%s",
- _("Control groups not supported on this platform"));
- return -1;
-}
-#endif
/**
@@ -2205,6 +2281,7 @@ cleanup:
return ret;
}
+
/**
* virCgroupDenyDeviceMajor:
*
@@ -2240,7 +2317,7 @@ cleanup:
return ret;
}
-#if defined(major) && defined(minor)
+
int virCgroupDenyDevicePath(virCgroupPtr group, const char *path, int perms)
{
struct stat sb;
@@ -2261,16 +2338,7 @@ int virCgroupDenyDevicePath(virCgroupPtr group, const char *path, int perms)
minor(sb.st_rdev),
perms);
}
-#else
-int virCgroupDenyDevicePath(virCgroupPtr group ATTRIBUTE_UNUSED,
- const char *path ATTRIBUTE_UNUSED,
- int perms ATTRIBUTE_UNUSED)
-{
- virReportSystemError(ENOSYS, "%s",
- _("Control groups not supported on this platform"));
- return -1;
-}
-#endif
+
int virCgroupSetCpuShares(virCgroupPtr group, unsigned long long shares)
{
@@ -2279,6 +2347,7 @@ int virCgroupSetCpuShares(virCgroupPtr group, unsigned long long shares)
"cpu.shares", shares);
}
+
int virCgroupGetCpuShares(virCgroupPtr group, unsigned long long *shares)
{
return virCgroupGetValueU64(group,
@@ -2286,6 +2355,7 @@ int virCgroupGetCpuShares(virCgroupPtr group, unsigned long long *shares)
"cpu.shares", shares);
}
+
/**
* virCgroupSetCpuCfsPeriod:
*
@@ -2353,132 +2423,6 @@ int virCgroupSetCpuCfsQuota(virCgroupPtr group, long long cfs_quota)
}
-#ifdef VIR_CGROUP_SUPPORTED
-bool virCgroupAvailable(void)
-{
- bool ret = false;
- FILE *mounts = NULL;
- struct mntent entry;
- char buf[CGROUP_MAX_VAL];
-
- if (!virFileExists("/proc/cgroups"))
- return false;
-
- if (!(mounts = fopen("/proc/mounts", "r")))
- return false;
-
- while (getmntent_r(mounts, &entry, buf, sizeof(buf)) != NULL) {
- if (STREQ(entry.mnt_type, "cgroup")) {
- ret = true;
- break;
- }
- }
-
- VIR_FORCE_FCLOSE(mounts);
- return ret;
-}
-
-
-static int virCgroupPartitionEscape(char **path);
-
-static bool
-virCgroupValidateMachineGroup(virCgroupPtr group,
- const char *name,
- const char *drivername,
- const char *partition,
- bool stripEmulatorSuffix)
-{
- size_t i;
- bool valid = false;
- char *partname;
- char *scopename;
-
- if (virAsprintf(&partname, "%s.libvirt-%s",
- name, drivername) < 0)
- goto cleanup;
-
- if (virCgroupPartitionEscape(&partname) < 0)
- goto cleanup;
-
- if (!partition)
- partition = "/machine";
-
- if (!(scopename = virSystemdMakeScopeName(name, drivername, partition)))
- goto cleanup;
-
- if (virCgroupPartitionEscape(&scopename) < 0)
- goto cleanup;
-
- for (i = 0; i < VIR_CGROUP_CONTROLLER_LAST; i++) {
- char *tmp;
-
- if (i == VIR_CGROUP_CONTROLLER_SYSTEMD)
- continue;
-
- if (!group->controllers[i].placement)
- continue;
-
- tmp = strrchr(group->controllers[i].placement, '/');
- if (!tmp)
- goto cleanup;
-
- if (stripEmulatorSuffix &&
- (i == VIR_CGROUP_CONTROLLER_CPU ||
- i == VIR_CGROUP_CONTROLLER_CPUACCT ||
- i == VIR_CGROUP_CONTROLLER_CPUSET)) {
- if (STREQ(tmp, "/emulator"))
- *tmp = '\0';
- tmp = strrchr(group->controllers[i].placement, '/');
- if (!tmp)
- goto cleanup;
- }
-
- tmp++;
-
- if (STRNEQ(tmp, name) &&
- STRNEQ(tmp, partname) &&
- STRNEQ(tmp, scopename)) {
- VIR_DEBUG("Name '%s' for controller '%s' does not match '%s', '%s' or '%s'",
- tmp, virCgroupControllerTypeToString(i), name, partname, scopename);
- goto cleanup;
- }
- }
-
- valid = true;
-
- cleanup:
- VIR_FREE(partname);
- VIR_FREE(scopename);
- return valid;
-}
-
-
-/*
- * Returns 0 on success (but @group may be NULL), -1 on fatal error
- */
-int virCgroupNewDetectMachine(const char *name,
- const char *drivername,
- pid_t pid,
- const char *partition,
- int controllers,
- virCgroupPtr *group)
-{
- if (virCgroupNewDetect(pid, controllers, group) < 0) {
- if (virCgroupNewIgnoreError())
- return 0;
- return -1;
- }
-
- if (!virCgroupValidateMachineGroup(*group, name, drivername, partition, true)) {
- VIR_DEBUG("Failed to validate machine name for '%s' driver '%s'",
- name, drivername);
- virCgroupFree(group);
- return 0;
- }
-
- return 0;
-}
-
/**
* virCgroupFree:
@@ -3026,6 +2970,109 @@ int virCgroupNewDetectMachine(const char *name ATTRIBUTE_UNUSED,
}
+int virCgroupPathOfController(virCgroupPtr group ATTRIBUTE_UNUSED,
+ int controller ATTRIBUTE_UNUSED,
+ const char *key ATTRIBUTE_UNUSED,
+ char **path ATTRIBUTE_UNUSED)
+{
+ virReportSystemError(ENXIO, "%s",
+ _("Control groups not supported on this platform"));
+ return -1;
+}
+
+
+int virCgroupNewPartition(const char *path ATTRIBUTE_UNUSED,
+ bool create ATTRIBUTE_UNUSED,
+ int controllers ATTRIBUTE_UNUSED,
+ virCgroupPtr *group ATTRIBUTE_UNUSED)
+{
+ virReportSystemError(ENXIO, "%s",
+ _("Control groups not supported on this platform"));
+ return -1;
+}
+
+
+int virCgroupNewSelf(virCgroupPtr *group ATTRIBUTE_UNUSED)
+{
+ virReportSystemError(ENXIO, "%s",
+ _("Control groups not supported on this platform"));
+ return -1;
+}
+
+
+int virCgroupNewDomainPartition(virCgroupPtr partition ATTRIBUTE_UNUSED,
+ const char *driver ATTRIBUTE_UNUSED,
+ const char *name ATTRIBUTE_UNUSED,
+ bool create ATTRIBUTE_UNUSED,
+ virCgroupPtr *group ATTRIBUTE_UNUSED)
+{
+ virReportSystemError(ENXIO, "%s",
+ _("Control groups not supported on this platform"));
+ return -1;
+}
+
+
+int virCgroupNewVcpu(virCgroupPtr domain ATTRIBUTE_UNUSED,
+ int vcpuid ATTRIBUTE_UNUSED,
+ bool create ATTRIBUTE_UNUSED,
+ virCgroupPtr *group ATTRIBUTE_UNUSED)
+{
+ virReportSystemError(ENXIO, "%s",
+ _("Control groups not supported on this platform"));
+ return -1;
+}
+
+
+int virCgroupNewEmulator(virCgroupPtr domain ATTRIBUTE_UNUSED,
+ bool create ATTRIBUTE_UNUSED,
+ virCgroupPtr *group ATTRIBUTE_UNUSED)
+{
+ virReportSystemError(ENXIO, "%s",
+ _("Control groups not supported on this platform"));
+ return -1;
+}
+
+int virCgroupNewDetect(pid_t pid ATTRIBUTE_UNUSED,
+ int controllers ATTRIBUTE_UNUSED,
+ virCgroupPtr *group ATTRIBUTE_UNUSED)
+{
+ virReportSystemError(ENXIO, "%s",
+ _("Control groups not supported on this platform"));
+ return -1;
+}
+
+
+int
+virCgroupSetBlkioDeviceWeight(virCgroupPtr group ATTRIBUTE_UNUSED,
+ const char *path ATTRIBUTE_UNUSED,
+ unsigned int weight ATTRIBUTE_UNUSED)
+{
+ virReportSystemError(ENOSYS, "%s",
+ _("Control groups not supported on this platform"));
+ return -1;
+}
+
+
+int virCgroupAllowDevicePath(virCgroupPtr group ATTRIBUTE_UNUSED,
+ const char *path ATTRIBUTE_UNUSED,
+ int perms ATTRIBUTE_UNUSED)
+{
+ virReportSystemError(ENOSYS, "%s",
+ _("Control groups not supported on this platform"));
+ return -1;
+}
+
+
+int virCgroupDenyDevicePath(virCgroupPtr group ATTRIBUTE_UNUSED,
+ const char *path ATTRIBUTE_UNUSED,
+ int perms ATTRIBUTE_UNUSED)
+{
+ virReportSystemError(ENOSYS, "%s",
+ _("Control groups not supported on this platform"));
+ return -1;
+}
+
+
void virCgroupFree(virCgroupPtr *group ATTRIBUTE_UNUSED)
{
virReportSystemError(ENXIO, "%s",
--
1.8.2.3
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