# UnsupportedKernel
<span class="source-link">[[Source]](src/process/process_error.md#L-0-66)</span>

The platform cannot report a child's exit. On Linux this means the kernel is
older than 5.3 and lacks `pidfd_open`.


```pony
primitive val UnsupportedKernel
```

## Constructors

### create
<span class="source-link">[[Source]](src/process/process_error.md#L-0-66)</span>


```pony
new val create()
: UnsupportedKernel val^
```

#### Returns

* [UnsupportedKernel](process-UnsupportedKernel.md) val^

---

## Public Functions

### string
<span class="source-link">[[Source]](src/process/process_error.md#L-0-71)</span>


```pony
fun box string()
: String iso^
```

#### Returns

* [String](builtin-String.md) iso^

---

### eq
<span class="source-link">[[Source]](src/process/process_error.md#L-0-71)</span>


```pony
fun box eq(
  that: UnsupportedKernel val)
: Bool val
```
#### Parameters

*   that: [UnsupportedKernel](process-UnsupportedKernel.md) val

#### Returns

* [Bool](builtin-Bool.md) val

---

### ne
<span class="source-link">[[Source]](src/process/process_error.md#L-0-71)</span>


```pony
fun box ne(
  that: UnsupportedKernel val)
: Bool val
```
#### Parameters

*   that: [UnsupportedKernel](process-UnsupportedKernel.md) val

#### Returns

* [Bool](builtin-Bool.md) val

---

