39 lines
1.1 KiB
Factor
Executable File
39 lines
1.1 KiB
Factor
Executable File
USING: kernel alien.c-types sequences math unix
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vectors kernel namespaces continuations
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threads assocs vectors io.unix.backend ;
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IN: unix.process
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! Low-level Unix process launching utilities. These are used
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! to implement io.launcher on Unix. User code should use
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! io.launcher instead.
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: >argv ( seq -- alien )
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[ malloc-char-string ] map f suffix >c-void*-array ;
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: exec ( pathname argv -- int )
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[ malloc-char-string ] [ >argv ] bi* execv ;
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: exec-with-path ( filename argv -- int )
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[ malloc-char-string ] [ >argv ] bi* execvp ;
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: exec-with-env ( filename argv envp -- int )
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[ malloc-char-string ] [ >argv ] [ >argv ] tri* execve ;
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: exec-args ( seq -- int )
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[ first ] [ ] bi exec ;
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: exec-args-with-path ( seq -- int )
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[ first ] [ ] bi exec-with-path ;
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: exec-args-with-env ( seq seq -- int )
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>r [ first ] [ ] bi r> exec-with-env ;
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: with-fork ( child parent -- )
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fork dup io-error dup zero? -roll swap curry if ; inline
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: wait-for-pid ( pid -- status )
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0 <int> [ 0 waitpid drop ] keep *int WEXITSTATUS ;
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: set-priority ( n -- )
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0 0 rot setpriority io-error ; |