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-rw-r--r--container/std/syscall.go159
1 files changed, 0 insertions, 159 deletions
diff --git a/container/std/syscall.go b/container/std/syscall.go
deleted file mode 100644
index 61c54877..00000000
--- a/container/std/syscall.go
+++ /dev/null
@@ -1,159 +0,0 @@
-package std
-
-import (
- "encoding"
- "iter"
- "strconv"
- "sync"
- "syscall"
-)
-
-// Syscalls returns an iterator over all wired syscalls.
-func Syscalls() iter.Seq2[string, ScmpSyscall] {
- return func(yield func(string, ScmpSyscall) bool) {
- for name, num := range syscallNum {
- if !yield(name, num) {
- return
- }
- }
- for name, num := range syscallNumExtra {
- if !yield(name, num) {
- return
- }
- }
- }
-}
-
-// SyscallResolveName resolves a syscall number from its string representation.
-func SyscallResolveName(name string) (num ScmpSyscall, ok bool) {
- if num, ok = syscallNum[name]; ok {
- return
- }
- num, ok = syscallNumExtra[name]
- return
-}
-
-// SchedPolicy denotes a scheduling policy defined in include/uapi/linux/sched.h.
-type SchedPolicy int
-
-// include/uapi/linux/sched.h
-const (
- SCHED_NORMAL SchedPolicy = iota
- SCHED_FIFO
- SCHED_RR
- SCHED_BATCH
- _SCHED_ISO // SCHED_ISO: reserved but not implemented yet
- SCHED_IDLE
- SCHED_DEADLINE
- SCHED_EXT
-
- SCHED_LAST SchedPolicy = iota - 1
-)
-
-var _ encoding.TextMarshaler = SCHED_LAST
-var _ encoding.TextUnmarshaler = new(SCHED_LAST)
-
-// String returns a unique representation of policy, also used in encoding.
-func (policy SchedPolicy) String() string {
- switch policy {
- case SCHED_NORMAL:
- return ""
- case SCHED_FIFO:
- return "fifo"
- case SCHED_RR:
- return "rr"
- case SCHED_BATCH:
- return "batch"
- case SCHED_IDLE:
- return "idle"
- case SCHED_DEADLINE:
- return "deadline"
- case SCHED_EXT:
- return "ext"
-
- default:
- return "invalid policy " + strconv.Itoa(int(policy))
- }
-}
-
-// MarshalText performs bounds checking and returns the result of String.
-func (policy SchedPolicy) MarshalText() ([]byte, error) {
- if policy == _SCHED_ISO || policy < 0 || policy > SCHED_LAST {
- return nil, syscall.EINVAL
- }
- return []byte(policy.String()), nil
-}
-
-// InvalidSchedPolicyError is an invalid string representation of a [SchedPolicy].
-type InvalidSchedPolicyError string
-
-func (InvalidSchedPolicyError) Unwrap() error { return syscall.EINVAL }
-func (e InvalidSchedPolicyError) Error() string {
- return "invalid scheduling policy " + strconv.Quote(string(e))
-}
-
-// UnmarshalText is the inverse of MarshalText.
-func (policy *SchedPolicy) UnmarshalText(text []byte) error {
- switch string(text) {
- case "fifo":
- *policy = SCHED_FIFO
- case "rr":
- *policy = SCHED_RR
- case "batch":
- *policy = SCHED_BATCH
- case "idle":
- *policy = SCHED_IDLE
- case "deadline":
- *policy = SCHED_DEADLINE
- case "ext":
- *policy = SCHED_EXT
-
- case "":
- *policy = 0
- return nil
- default:
- return InvalidSchedPolicyError(text)
- }
- return nil
-}
-
-// for sched_get_priority_max and sched_get_priority_min
-var (
- schedPriority [SCHED_LAST + 1][2]Int
- schedPriorityErr [SCHED_LAST + 1][2]error
- schedPriorityOnce [SCHED_LAST + 1][2]sync.Once
-)
-
-// GetPriorityMax returns the maximum priority value that can be used with the
-// scheduling algorithm identified by policy.
-func (policy SchedPolicy) GetPriorityMax() (Int, error) {
- schedPriorityOnce[policy][0].Do(func() {
- priority, _, errno := syscall.Syscall(
- syscall.SYS_SCHED_GET_PRIORITY_MAX,
- uintptr(policy),
- 0, 0,
- )
- schedPriority[policy][0] = Int(priority)
- if errno != 0 {
- schedPriorityErr[policy][0] = errno
- }
- })
- return schedPriority[policy][0], schedPriorityErr[policy][0]
-}
-
-// GetPriorityMin returns the minimum priority value that can be used with the
-// scheduling algorithm identified by policy.
-func (policy SchedPolicy) GetPriorityMin() (Int, error) {
- schedPriorityOnce[policy][1].Do(func() {
- priority, _, errno := syscall.Syscall(
- syscall.SYS_SCHED_GET_PRIORITY_MIN,
- uintptr(policy),
- 0, 0,
- )
- schedPriority[policy][1] = Int(priority)
- if errno != 0 {
- schedPriorityErr[policy][1] = errno
- }
- })
- return schedPriority[policy][1], schedPriorityErr[policy][1]
-}