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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/pinning.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/pinning.go')
-rw-r--r--vendor/github.com/cilium/ebpf/internal/pinning.go77
1 files changed, 0 insertions, 77 deletions
diff --git a/vendor/github.com/cilium/ebpf/internal/pinning.go b/vendor/github.com/cilium/ebpf/internal/pinning.go
deleted file mode 100644
index c711353c3..000000000
--- a/vendor/github.com/cilium/ebpf/internal/pinning.go
+++ /dev/null
@@ -1,77 +0,0 @@
-package internal
-
-import (
- "errors"
- "fmt"
- "os"
- "path/filepath"
- "runtime"
- "unsafe"
-
- "github.com/cilium/ebpf/internal/sys"
- "github.com/cilium/ebpf/internal/unix"
-)
-
-func Pin(currentPath, newPath string, fd *sys.FD) error {
- const bpfFSType = 0xcafe4a11
-
- if newPath == "" {
- return errors.New("given pinning path cannot be empty")
- }
- if currentPath == newPath {
- return nil
- }
-
- var statfs unix.Statfs_t
- if err := unix.Statfs(filepath.Dir(newPath), &statfs); err != nil {
- return err
- }
-
- fsType := int64(statfs.Type)
- if unsafe.Sizeof(statfs.Type) == 4 {
- // We're on a 32 bit arch, where statfs.Type is int32. bpfFSType is a
- // negative number when interpreted as int32 so we need to cast via
- // uint32 to avoid sign extension.
- fsType = int64(uint32(statfs.Type))
- }
-
- if fsType != bpfFSType {
- return fmt.Errorf("%s is not on a bpf filesystem", newPath)
- }
-
- defer runtime.KeepAlive(fd)
-
- if currentPath == "" {
- return sys.ObjPin(&sys.ObjPinAttr{
- Pathname: sys.NewStringPointer(newPath),
- BpfFd: fd.Uint(),
- })
- }
-
- // Renameat2 is used instead of os.Rename to disallow the new path replacing
- // an existing path.
- err := unix.Renameat2(unix.AT_FDCWD, currentPath, unix.AT_FDCWD, newPath, unix.RENAME_NOREPLACE)
- if err == nil {
- // Object is now moved to the new pinning path.
- return nil
- }
- if !os.IsNotExist(err) {
- return fmt.Errorf("unable to move pinned object to new path %v: %w", newPath, err)
- }
- // Internal state not in sync with the file system so let's fix it.
- return sys.ObjPin(&sys.ObjPinAttr{
- Pathname: sys.NewStringPointer(newPath),
- BpfFd: fd.Uint(),
- })
-}
-
-func Unpin(pinnedPath string) error {
- if pinnedPath == "" {
- return nil
- }
- err := os.Remove(pinnedPath)
- if err == nil || os.IsNotExist(err) {
- return nil
- }
- return err
-}