FUNCTION::RAISE(3stap) Guru tapsets FUNCTION::RAISE(3stap)

# [NAME](#NAME)

function::raise - raise a signal in the current thread

# [SYNOPSIS](#SYNOPSIS)

```


    raise(signo:long)
```

# [ARGUMENTS](#ARGUMENTS)

*signo*

signal number

# [DESCRIPTION](#DESCRIPTION)

This function calls the kernel send\_sig routine on the current thread, with the given raw unchecked signal number. It may raise an error if **send\_sig** failed. It requires guru mode.

# [SEE ALSO0](#SEE_ALSO0)

[*tapset::guru-signal*(3stap)](/man/enterprise-packages/systemtap/tapset::guru-signal.3stap)

September 2026 SystemTap Tapset Reference Ver

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Document: function::raise(3stap) from systemtap 5.6-r0 (Chainguard OS)
Source: https://sourceware.org/git/systemtap.git