Function

Summary

Create a new process, passing it a function to run.

Package

mp

Signature

process-run-function name keywords function &rest arguments => process

Arguments

name

A name for the new process.

keywords

Keywords specifying properties of the new process.

function

A function to apply.

arguments

Arguments to pass to function .

Values

process

The newly created process.

Description

This function creates a new Lisp process with name name. Other properties of process may be specified in keyword/value pairs in keywords :

:priority

A fixnum representing the priority for the process. If :priority is not supplied, the process priority becomes the value of the variable *default-process-priority* .

The new process is preset to apply function to arguments and runs in parallel, while process-run-function returns immediately.

Example

CL-USER 253 > (defvar *stream* *standard-output*)

*STREAM*

CL-USER 254 > (mp:process-run-function

               "My process"

               '(:priority 42)

               #'(lambda (x)

                   (loop for i below x

                         do (and (print i *stream*)

                                 (sleep 1))

                         finally

                         (print (mp:process-priority

                                 mp:*current-process*)

                                *stream*)))

               3)

#<MP:PROCESS Name "My process" Priority 850000 State "Running">

0

1

2

42

CL-USER 255 >

See also

create-simple-process
*default-process-priority*