---
name: "kdoom"
section: "2"
platform: "linux"
package: "lam2-dev"
version: "6.3.2-3"
release: "Debian 2.2 (Potato)"
platforms: ["linux"]
url: "https://new.carta.tech/kdoom"
---

# kdoom(2)

Deliver a signal to a LAM process.

## NAME

kdoom - Deliver a signal to a LAM process.

## SYNOPSIS

\#include \<lam\_ksignal.h\>

int kdoom (int pid, int signum);

## DESCRIPTION

The function *kdoom()* enables one LAM process to deliver an asynchronous signal to another LAM process on the local node, including itself.

The *pid* argument is the identifier of the process to which the signal will be delivered. Process identifiers refer to other LAM processes, except for the special identifier 0, which refers to the caller.

The *signum* argument identifies the signal to be delivered. These signals are completely apart from the signals provided by the native operating system. LAM signals, defined in \<lam\_ksignal.h\>, are listed below.

```
LAM_SIGTRACE	1	unload trace data
LAM_SIGUDIE	4	terminate
LAM_SIGARREST	5	suspend execution
LAM_SIGRELEASE	6	continue execution
LAM_SIGA	7	user defined
LAM_SIGB	8	user defined
LAM_SIGFUSE	9	node is about to die
LAM_SIGSHRINK	10	another node has died
```

## ERRORS

- ENOTPROCESS

  The process whose process identifier was passed to *kdoom()* is not a LAM process.

- EINVAL

  The signal number is invalid.

- ENOTATTACHED

  The calling process is not a LAM process.

## SEE ALSO

[lam\_ksignal(2)](/lam_ksignal/2.md), [lam\_ksigblock(2)](/lam_ksigblock/2.md)