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controller_data ought to be read-only

This commit is contained in:
Vincent Batts 2016-11-29 09:24:35 -05:00
parent 489e2f59f2
commit c2855cec9b
2 changed files with 34 additions and 13 deletions
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42
cg.go
View File

@ -449,22 +449,42 @@ int cgroup_walk_tree_begin(const char *controller, const char *base_path, int de
int *base_level); int *base_level);
*/ */
/* // ControllerData is the information model for controllers available
Information model for Controllers available
*/
type ControllerData struct { type ControllerData struct {
Name string name string
Hierarchy int hierarchy int
NumCgroups int numCgroups int
Enabled int enabled int
}
// Name of the this controller
func (cd ControllerData) Name() string {
return cd.name
}
// Hierarchy is the identification of the controller. Controllers with the same
// hierarchy ID are mounted together as one hierarchy. Controllers with ID 0
// are not currently mounted anywhere.
func (cd ControllerData) Hierarchy() int {
return cd.hierarchy
}
// NumCgroups is the number of cgroups
func (cd ControllerData) NumCgroups() int {
return cd.numCgroups
}
// Enabled indicates whether or not this controller is enabled
func (cd ControllerData) Enabled() int {
return cd.enabled
} }
func fromCControllerData(cData C.struct_controller_data) ControllerData { func fromCControllerData(cData C.struct_controller_data) ControllerData {
return ControllerData{ return ControllerData{
Name: C.GoString(&cData.name[0]), name: C.GoString(&cData.name[0]),
Hierarchy: int(cData.hierarchy), hierarchy: int(cData.hierarchy),
NumCgroups: int(cData.num_cgroups), numCgroups: int(cData.num_cgroups),
Enabled: int(cData.enabled), enabled: int(cData.enabled),
} }
} }

5
main.go
View File

@ -4,8 +4,9 @@
package main package main
import ( import (
"."
"fmt" "fmt"
"github.com/vbatts/go-cgroup"
) )
func main() { func main() {
@ -25,6 +26,6 @@ func main() {
return return
} }
for i := range ctls { for i := range ctls {
fmt.Printf("Hierarchy=%d Enabled=%d NumCgroups=%d Name=%s\n", ctls[i].Hierarchy, ctls[i].Enabled, ctls[i].NumCgroups, ctls[i].Name) fmt.Printf("Hierarchy=%d Enabled=%d NumCgroups=%d Name=%s\n", ctls[i].Hierarchy(), ctls[i].Enabled(), ctls[i].NumCgroups(), ctls[i].Name())
} }
} }