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author | 2025-02-03 10:12:35 +0000 | |
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committer | 2025-02-03 10:12:35 +0000 | |
commit | c086d4048c2a26a0bf70c1ced24c78680a786710 (patch) | |
tree | cf7606e8452e9047d7f0e0d9b6de10edf7ebdc89 /vendor/github.com/cilium/ebpf/internal/feature.go | |
parent | [chore]: Bump golang.org/x/oauth2 from 0.24.0 to 0.25.0 (#3725) (diff) | |
download | gotosocial-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/feature.go')
-rw-r--r-- | vendor/github.com/cilium/ebpf/internal/feature.go | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/vendor/github.com/cilium/ebpf/internal/feature.go b/vendor/github.com/cilium/ebpf/internal/feature.go deleted file mode 100644 index 0a6c2d1d5..000000000 --- a/vendor/github.com/cilium/ebpf/internal/feature.go +++ /dev/null @@ -1,100 +0,0 @@ -package internal - -import ( - "errors" - "fmt" - "sync" -) - -// ErrNotSupported indicates that a feature is not supported by the current kernel. -var ErrNotSupported = errors.New("not supported") - -// UnsupportedFeatureError is returned by FeatureTest() functions. -type UnsupportedFeatureError struct { - // The minimum Linux mainline version required for this feature. - // Used for the error string, and for sanity checking during testing. - MinimumVersion Version - - // The name of the feature that isn't supported. - Name string -} - -func (ufe *UnsupportedFeatureError) Error() string { - if ufe.MinimumVersion.Unspecified() { - return fmt.Sprintf("%s not supported", ufe.Name) - } - return fmt.Sprintf("%s not supported (requires >= %s)", ufe.Name, ufe.MinimumVersion) -} - -// Is indicates that UnsupportedFeatureError is ErrNotSupported. -func (ufe *UnsupportedFeatureError) Is(target error) bool { - return target == ErrNotSupported -} - -type featureTest struct { - sync.RWMutex - successful bool - result error -} - -// FeatureTestFn is used to determine whether the kernel supports -// a certain feature. -// -// The return values have the following semantics: -// -// err == ErrNotSupported: the feature is not available -// err == nil: the feature is available -// err != nil: the test couldn't be executed -type FeatureTestFn func() error - -// FeatureTest wraps a function so that it is run at most once. -// -// name should identify the tested feature, while version must be in the -// form Major.Minor[.Patch]. -// -// Returns an error wrapping ErrNotSupported if the feature is not supported. -func FeatureTest(name, version string, fn FeatureTestFn) func() error { - ft := new(featureTest) - return func() error { - ft.RLock() - if ft.successful { - defer ft.RUnlock() - return ft.result - } - ft.RUnlock() - ft.Lock() - defer ft.Unlock() - // check one more time on the off - // chance that two go routines - // were able to call into the write - // lock - if ft.successful { - return ft.result - } - err := fn() - switch { - case errors.Is(err, ErrNotSupported): - v, err := NewVersion(version) - if err != nil { - return err - } - - ft.result = &UnsupportedFeatureError{ - MinimumVersion: v, - Name: name, - } - fallthrough - - case err == nil: - ft.successful = true - - default: - // We couldn't execute the feature test to a point - // where it could make a determination. - // Don't cache the result, just return it. - return fmt.Errorf("detect support for %s: %w", name, err) - } - - return ft.result - } -} |