54 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Factor
		
	
	
			
		
		
	
	
			54 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Factor
		
	
	
| USING: help.markup help.syntax quotations strings ;
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| IN: init
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| 
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| HELP: boot
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| { $description "Called on startup as part of the boot quotation to initialize the runtime and prepare it for running user code." } ;
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| 
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| { boot startup-quot set-startup-quot } related-words
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| 
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| HELP: startup-quot
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| { $values { "quot" quotation } }
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| { $description "Outputs the initial quotation called by the VM on startup." } ;
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| 
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| HELP: set-startup-quot
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| { $values { "quot" quotation } }
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| { $description "Sets the initial quotation called by the VM on startup. This quotation must begin with a call to " { $link boot } ". The image must be saved for changes to the boot quotation to take effect." }
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| { $notes "The " { $link "tools.deploy" } " tool uses this word." } ;
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| 
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| HELP: startup-hooks
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| { $var-description "An association list mapping string identifiers to quotations to be run on startup." } ;
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| 
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| HELP: shutdown-hooks
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| { $var-description "An association list mapping string identifiers to quotations to be run on shutdown." } ;
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| 
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| HELP: do-startup-hooks
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| { $description "Calls all initialization hook quotations." } ;
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| 
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| HELP: do-shutdown-hooks
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| { $description "Calls all shutdown hook quotations." } ;
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| 
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| HELP: add-startup-hook
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| { $values { "quot" quotation } { "name" string } }
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| { $description "Registers a startup hook. The hook will always run when Factor is started. If the hook was not already defined, this word also calls it immediately." } ;
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| 
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| { startup-hooks do-startup-hooks add-startup-hook add-shutdown-hook do-shutdown-hooks shutdown-hooks } related-words
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| 
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| ARTICLE: "init" "Initialization and startup"
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| "When Factor starts, the first thing it does is call a word:"
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| { $subsections boot }
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| "Next, initialization hooks are called:"
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| { $subsections do-startup-hooks }
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| "Initialization hooks can be defined:"
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| { $subsections add-startup-hook }
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| "Corresponding shutdown hooks may also be defined:"
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| { $subsections add-shutdown-hook }
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| "The boot quotation can be changed:"
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| { $subsections
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|     startup-quot
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|     set-startup-quot
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| }
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| "When quitting Factor, shutdown hooks are called:"
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| { $subsection do-shutdown-hooks } ;
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| 
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| ABOUT: "init"
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