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24 lines
441 B
Go
24 lines
441 B
Go
package internal
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import (
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"runtime"
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"unsafe"
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"github.com/cilium/ebpf/internal/unix"
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)
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// BPF wraps SYS_BPF.
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//
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// Any pointers contained in attr must use the Pointer type from this package.
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func BPF(cmd int, attr unsafe.Pointer, size uintptr) (uintptr, error) {
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r1, _, errNo := unix.Syscall(unix.SYS_BPF, uintptr(cmd), uintptr(attr), size)
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runtime.KeepAlive(attr)
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var err error
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if errNo != 0 {
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err = errNo
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}
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return r1, err
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}
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