github/kata-containers
1
0
Fork 1
mirror of https://github.com/kata-containers/kata-containers.git synced 2025-06-29 08:47:56 +00:00
Code Issues Projects Releases Wiki Activity

schedcore: Make buildable on !linux

Browse Source 
Fixes: #5983

sched-core only makes sense on Linux hosts. Let's add stub/error for
other platforms.

Signed-off-by: Eric Ernst <eric_ernst@apple.com>
Signed-off-by: Danny Canter <danny@dcantah.dev>
This commit is contained in:
Danny Canter 2023-01-05 02:53:22 -08:00
parent 1b46d4fb50
commit 24b05a99b6
3 changed files with 42 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
src/runtime/pkg/utils/schedcore.go
View File

@ -5,10 +5,6 @@
package utils
import (
"golang.org/x/sys/unix"
)
// PidType is the type of provided pid value and how it should be treated
type PidType int
@ -24,13 +20,3 @@ const (
// ProcessGroup affects all processes in the group
ProcessGroup PidType = pidTypeProcessGroupId
)
// Create a new sched core domain
func Create(t PidType) error {
return unix.Prctl(unix.PR_SCHED_CORE, unix.PR_SCHED_CORE_CREATE, 0, uintptr(t), 0)
}
// ShareFrom shares the sched core domain from the provided pid
func ShareFrom(pid uint64, t PidType) error {
return unix.Prctl(unix.PR_SCHED_CORE, unix.PR_SCHED_CORE_SHARE_FROM, uintptr(pid), uintptr(t), 0)
}

20
src/runtime/pkg/utils/schedcore_linux.go Normal file
View File

@ -0,0 +1,20 @@
// Copyright (c) 2023 Apple Inc.
//
// SPDX-License-Identifier: Apache-2.0
//
package utils
import (
"golang.org/x/sys/unix"
)
// Create a new sched core domain
func Create(t PidType) error {
return unix.Prctl(unix.PR_SCHED_CORE, unix.PR_SCHED_CORE_CREATE, 0, uintptr(t), 0)
}
// ShareFrom shares the sched core domain from the provided pid
func ShareFrom(pid uint64, t PidType) error {
return unix.Prctl(unix.PR_SCHED_CORE, unix.PR_SCHED_CORE_SHARE_FROM, uintptr(pid), uintptr(t), 0)
}

22
src/runtime/pkg/utils/schedcore_other.go Normal file
View File

@ -0,0 +1,22 @@
// Copyright (c) 2023 Apple Inc.
//
// SPDX-License-Identifier: Apache-2.0
//
//go:build !linux
package utils
import (
"errors"
)
// Create a new sched core domain
func Create(t PidType) error {
return errors.New("schedcore not available on non-Linux platforms")
}
// ShareFrom shares the sched core domain from the provided pid
func ShareFrom(pid uint64, t PidType) error {
return errors.New("schedcore not available on non-Linux platforms")
}