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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/sys/fd.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/sys/fd.go')
-rw-r--r-- | vendor/github.com/cilium/ebpf/internal/sys/fd.go | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/vendor/github.com/cilium/ebpf/internal/sys/fd.go b/vendor/github.com/cilium/ebpf/internal/sys/fd.go deleted file mode 100644 index 65517d45e..000000000 --- a/vendor/github.com/cilium/ebpf/internal/sys/fd.go +++ /dev/null @@ -1,96 +0,0 @@ -package sys - -import ( - "fmt" - "math" - "os" - "runtime" - "strconv" - - "github.com/cilium/ebpf/internal/unix" -) - -var ErrClosedFd = unix.EBADF - -type FD struct { - raw int -} - -func newFD(value int) *FD { - fd := &FD{value} - runtime.SetFinalizer(fd, (*FD).Close) - return fd -} - -// NewFD wraps a raw fd with a finalizer. -// -// You must not use the raw fd after calling this function, since the underlying -// file descriptor number may change. This is because the BPF UAPI assumes that -// zero is not a valid fd value. -func NewFD(value int) (*FD, error) { - if value < 0 { - return nil, fmt.Errorf("invalid fd %d", value) - } - - fd := newFD(value) - if value != 0 { - return fd, nil - } - - dup, err := fd.Dup() - _ = fd.Close() - return dup, err -} - -func (fd *FD) String() string { - return strconv.FormatInt(int64(fd.raw), 10) -} - -func (fd *FD) Int() int { - return fd.raw -} - -func (fd *FD) Uint() uint32 { - if fd.raw < 0 || int64(fd.raw) > math.MaxUint32 { - // Best effort: this is the number most likely to be an invalid file - // descriptor. It is equal to -1 (on two's complement arches). - return math.MaxUint32 - } - return uint32(fd.raw) -} - -func (fd *FD) Close() error { - if fd.raw < 0 { - return nil - } - - value := int(fd.raw) - fd.raw = -1 - - fd.Forget() - return unix.Close(value) -} - -func (fd *FD) Forget() { - runtime.SetFinalizer(fd, nil) -} - -func (fd *FD) Dup() (*FD, error) { - if fd.raw < 0 { - return nil, ErrClosedFd - } - - // Always require the fd to be larger than zero: the BPF API treats the value - // as "no argument provided". - dup, err := unix.FcntlInt(uintptr(fd.raw), unix.F_DUPFD_CLOEXEC, 1) - if err != nil { - return nil, fmt.Errorf("can't dup fd: %v", err) - } - - return newFD(dup), nil -} - -func (fd *FD) File(name string) *os.File { - fd.Forget() - return os.NewFile(uintptr(fd.raw), name) -} |