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author | 2023-04-03 11:16:17 +0200 | |
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committer | 2023-04-03 11:16:17 +0200 | |
commit | 57dc742c76d7876a2457594715a7b5bc2c9a92bd (patch) | |
tree | 76be1ec744face5bf4f617d4c9fca084707e4268 /vendor/github.com/cilium/ebpf/internal/syscall.go | |
parent | [bugfix/frontend] Preload css styles (#1638) (diff) | |
download | gotosocial-57dc742c76d7876a2457594715a7b5bc2c9a92bd.tar.xz |
[chore]: Bump github.com/KimMachineGun/automemlimit from 0.2.4 to 0.2.5 (#1666)
Bumps [github.com/KimMachineGun/automemlimit](https://github.com/KimMachineGun/automemlimit) from 0.2.4 to 0.2.5.
- [Release notes](https://github.com/KimMachineGun/automemlimit/releases)
- [Commits](https://github.com/KimMachineGun/automemlimit/compare/v0.2.4...v0.2.5)
---
updated-dependencies:
- dependency-name: github.com/KimMachineGun/automemlimit
dependency-type: direct:production
update-type: version-update:semver-patch
...
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/syscall.go')
-rw-r--r-- | vendor/github.com/cilium/ebpf/internal/syscall.go | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/vendor/github.com/cilium/ebpf/internal/syscall.go b/vendor/github.com/cilium/ebpf/internal/syscall.go deleted file mode 100644 index c80815131..000000000 --- a/vendor/github.com/cilium/ebpf/internal/syscall.go +++ /dev/null @@ -1,179 +0,0 @@ -package internal - -import ( - "fmt" - "path/filepath" - "runtime" - "unsafe" - - "github.com/cilium/ebpf/internal/unix" -) - -//go:generate stringer -output syscall_string.go -type=BPFCmd - -// BPFCmd identifies a subcommand of the bpf syscall. -type BPFCmd int - -// Well known BPF commands. -const ( - BPF_MAP_CREATE BPFCmd = iota - BPF_MAP_LOOKUP_ELEM - BPF_MAP_UPDATE_ELEM - BPF_MAP_DELETE_ELEM - BPF_MAP_GET_NEXT_KEY - BPF_PROG_LOAD - BPF_OBJ_PIN - BPF_OBJ_GET - BPF_PROG_ATTACH - BPF_PROG_DETACH - BPF_PROG_TEST_RUN - BPF_PROG_GET_NEXT_ID - BPF_MAP_GET_NEXT_ID - BPF_PROG_GET_FD_BY_ID - BPF_MAP_GET_FD_BY_ID - BPF_OBJ_GET_INFO_BY_FD - BPF_PROG_QUERY - BPF_RAW_TRACEPOINT_OPEN - BPF_BTF_LOAD - BPF_BTF_GET_FD_BY_ID - BPF_TASK_FD_QUERY - BPF_MAP_LOOKUP_AND_DELETE_ELEM - BPF_MAP_FREEZE - BPF_BTF_GET_NEXT_ID - BPF_MAP_LOOKUP_BATCH - BPF_MAP_LOOKUP_AND_DELETE_BATCH - BPF_MAP_UPDATE_BATCH - BPF_MAP_DELETE_BATCH - BPF_LINK_CREATE - BPF_LINK_UPDATE - BPF_LINK_GET_FD_BY_ID - BPF_LINK_GET_NEXT_ID - BPF_ENABLE_STATS - BPF_ITER_CREATE -) - -// BPF wraps SYS_BPF. -// -// Any pointers contained in attr must use the Pointer type from this package. -func BPF(cmd BPFCmd, attr unsafe.Pointer, size uintptr) (uintptr, error) { - r1, _, errNo := unix.Syscall(unix.SYS_BPF, uintptr(cmd), uintptr(attr), size) - runtime.KeepAlive(attr) - - var err error - if errNo != 0 { - err = errNo - } - - return r1, err -} - -type BPFProgAttachAttr struct { - TargetFd uint32 - AttachBpfFd uint32 - AttachType uint32 - AttachFlags uint32 - ReplaceBpfFd uint32 -} - -func BPFProgAttach(attr *BPFProgAttachAttr) error { - _, err := BPF(BPF_PROG_ATTACH, unsafe.Pointer(attr), unsafe.Sizeof(*attr)) - return err -} - -type BPFProgDetachAttr struct { - TargetFd uint32 - AttachBpfFd uint32 - AttachType uint32 -} - -func BPFProgDetach(attr *BPFProgDetachAttr) error { - _, err := BPF(BPF_PROG_DETACH, unsafe.Pointer(attr), unsafe.Sizeof(*attr)) - return err -} - -type BPFEnableStatsAttr struct { - StatsType uint32 -} - -func BPFEnableStats(attr *BPFEnableStatsAttr) (*FD, error) { - ptr, err := BPF(BPF_ENABLE_STATS, unsafe.Pointer(attr), unsafe.Sizeof(*attr)) - if err != nil { - return nil, fmt.Errorf("enable stats: %w", err) - } - return NewFD(uint32(ptr)), nil - -} - -type bpfObjAttr struct { - fileName Pointer - fd uint32 - fileFlags uint32 -} - -const bpfFSType = 0xcafe4a11 - -// BPFObjPin wraps BPF_OBJ_PIN. -func BPFObjPin(fileName string, fd *FD) error { - dirName := filepath.Dir(fileName) - var statfs unix.Statfs_t - if err := unix.Statfs(dirName, &statfs); err != nil { - return err - } - if uint64(statfs.Type) != bpfFSType { - return fmt.Errorf("%s is not on a bpf filesystem", fileName) - } - - value, err := fd.Value() - if err != nil { - return err - } - - attr := bpfObjAttr{ - fileName: NewStringPointer(fileName), - fd: value, - } - _, err = BPF(BPF_OBJ_PIN, unsafe.Pointer(&attr), unsafe.Sizeof(attr)) - if err != nil { - return fmt.Errorf("pin object %s: %w", fileName, err) - } - return nil -} - -// BPFObjGet wraps BPF_OBJ_GET. -func BPFObjGet(fileName string) (*FD, error) { - attr := bpfObjAttr{ - fileName: NewStringPointer(fileName), - } - ptr, err := BPF(BPF_OBJ_GET, unsafe.Pointer(&attr), unsafe.Sizeof(attr)) - if err != nil { - return nil, fmt.Errorf("get object %s: %w", fileName, err) - } - return NewFD(uint32(ptr)), nil -} - -type bpfObjGetInfoByFDAttr struct { - fd uint32 - infoLen uint32 - info Pointer -} - -// BPFObjGetInfoByFD wraps BPF_OBJ_GET_INFO_BY_FD. -// -// Available from 4.13. -func BPFObjGetInfoByFD(fd *FD, info unsafe.Pointer, size uintptr) error { - value, err := fd.Value() - if err != nil { - return err - } - - attr := bpfObjGetInfoByFDAttr{ - fd: value, - infoLen: uint32(size), - info: NewPointer(info), - } - _, err = BPF(BPF_OBJ_GET_INFO_BY_FD, unsafe.Pointer(&attr), unsafe.Sizeof(attr)) - if err != nil { - return fmt.Errorf("fd %v: %w", fd, err) - } - return nil -} |