summaryrefslogtreecommitdiff
path: root/vendor/github.com/cilium/ebpf/internal/version.go
diff options
context:
space:
mode:
authorLibravatar dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>2025-02-03 10:12:35 +0000
committerLibravatar GitHub <noreply@github.com>2025-02-03 10:12:35 +0000
commitc086d4048c2a26a0bf70c1ced24c78680a786710 (patch)
treecf7606e8452e9047d7f0e0d9b6de10edf7ebdc89 /vendor/github.com/cilium/ebpf/internal/version.go
parent[chore]: Bump golang.org/x/oauth2 from 0.24.0 to 0.25.0 (#3725) (diff)
downloadgotosocial-c086d4048c2a26a0bf70c1ced24c78680a786710.tar.xz
[chore]: Bump github.com/KimMachineGun/automemlimit from 0.6.1 to 0.7.0 (#3726)
Bumps [github.com/KimMachineGun/automemlimit](https://github.com/KimMachineGun/automemlimit) from 0.6.1 to 0.7.0. - [Release notes](https://github.com/KimMachineGun/automemlimit/releases) - [Commits](https://github.com/KimMachineGun/automemlimit/compare/v0.6.1...v0.7.0) --- updated-dependencies: - dependency-name: github.com/KimMachineGun/automemlimit dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Diffstat (limited to 'vendor/github.com/cilium/ebpf/internal/version.go')
-rw-r--r--vendor/github.com/cilium/ebpf/internal/version.go122
1 files changed, 0 insertions, 122 deletions
diff --git a/vendor/github.com/cilium/ebpf/internal/version.go b/vendor/github.com/cilium/ebpf/internal/version.go
deleted file mode 100644
index 370e01e44..000000000
--- a/vendor/github.com/cilium/ebpf/internal/version.go
+++ /dev/null
@@ -1,122 +0,0 @@
-package internal
-
-import (
- "fmt"
- "sync"
-
- "github.com/cilium/ebpf/internal/unix"
-)
-
-const (
- // Version constant used in ELF binaries indicating that the loader needs to
- // substitute the eBPF program's version with the value of the kernel's
- // KERNEL_VERSION compile-time macro. Used for compatibility with BCC, gobpf
- // and RedSift.
- MagicKernelVersion = 0xFFFFFFFE
-)
-
-var (
- kernelVersion = struct {
- once sync.Once
- version Version
- err error
- }{}
-)
-
-// A Version in the form Major.Minor.Patch.
-type Version [3]uint16
-
-// NewVersion creates a version from a string like "Major.Minor.Patch".
-//
-// Patch is optional.
-func NewVersion(ver string) (Version, error) {
- var major, minor, patch uint16
- n, _ := fmt.Sscanf(ver, "%d.%d.%d", &major, &minor, &patch)
- if n < 2 {
- return Version{}, fmt.Errorf("invalid version: %s", ver)
- }
- return Version{major, minor, patch}, nil
-}
-
-// NewVersionFromCode creates a version from a LINUX_VERSION_CODE.
-func NewVersionFromCode(code uint32) Version {
- return Version{
- uint16(uint8(code >> 16)),
- uint16(uint8(code >> 8)),
- uint16(uint8(code)),
- }
-}
-
-func (v Version) String() string {
- if v[2] == 0 {
- return fmt.Sprintf("v%d.%d", v[0], v[1])
- }
- return fmt.Sprintf("v%d.%d.%d", v[0], v[1], v[2])
-}
-
-// Less returns true if the version is less than another version.
-func (v Version) Less(other Version) bool {
- for i, a := range v {
- if a == other[i] {
- continue
- }
- return a < other[i]
- }
- return false
-}
-
-// Unspecified returns true if the version is all zero.
-func (v Version) Unspecified() bool {
- return v[0] == 0 && v[1] == 0 && v[2] == 0
-}
-
-// Kernel implements the kernel's KERNEL_VERSION macro from linux/version.h.
-// It represents the kernel version and patch level as a single value.
-func (v Version) Kernel() uint32 {
-
- // Kernels 4.4 and 4.9 have their SUBLEVEL clamped to 255 to avoid
- // overflowing into PATCHLEVEL.
- // See kernel commit 9b82f13e7ef3 ("kbuild: clamp SUBLEVEL to 255").
- s := v[2]
- if s > 255 {
- s = 255
- }
-
- // Truncate members to uint8 to prevent them from spilling over into
- // each other when overflowing 8 bits.
- return uint32(uint8(v[0]))<<16 | uint32(uint8(v[1]))<<8 | uint32(uint8(s))
-}
-
-// KernelVersion returns the version of the currently running kernel.
-func KernelVersion() (Version, error) {
- kernelVersion.once.Do(func() {
- kernelVersion.version, kernelVersion.err = detectKernelVersion()
- })
-
- if kernelVersion.err != nil {
- return Version{}, kernelVersion.err
- }
- return kernelVersion.version, nil
-}
-
-// detectKernelVersion returns the version of the running kernel.
-func detectKernelVersion() (Version, error) {
- vc, err := vdsoVersion()
- if err != nil {
- return Version{}, err
- }
- return NewVersionFromCode(vc), nil
-}
-
-// KernelRelease returns the release string of the running kernel.
-// Its format depends on the Linux distribution and corresponds to directory
-// names in /lib/modules by convention. Some examples are 5.15.17-1-lts and
-// 4.19.0-16-amd64.
-func KernelRelease() (string, error) {
- var uname unix.Utsname
- if err := unix.Uname(&uname); err != nil {
- return "", fmt.Errorf("uname failed: %w", err)
- }
-
- return unix.ByteSliceToString(uname.Release[:]), nil
-}