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Restored io.unix.launcher to previous state

release
Eduardo Cavazos 2007-11-11 12:11:07 -06:00
parent 3e7b4e047c
commit 232ce7d9f4
1 changed files with 1 additions and 24 deletions
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extra/io/unix/launcher/launcher.factor
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@ -1,36 +1,13 @@
USING: io io.launcher io.unix.backend io.nonblocking
sequences kernel namespaces math system alien.c-types
debugger continuations combinators.lib threads ;
debugger continuations ;
IN: io.unix.launcher
! Search unix first
USE: unix
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! Factor friendly versions of the exec functions
: >argv ( seq -- alien ) [ malloc-char-string ] map f add >c-void*-array ;
: execv* ( pathname argv -- int ) [ malloc-char-string ] [ >argv ] bi* execv ;
: execvp* ( filename argv -- int ) [ malloc-char-string ] [ >argv ] bi* execvp ;
: execve* ( pathname argv envp -- int )
[ malloc-char-string ] [ >argv ] [ >argv ] tri* execve ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! Wait for a pid to finish without freezing up all the Factor threads.
! Need to find a less kludgy way to do this.
: wait-for-pid ( pid -- )
dup "int" <c-object> WNOHANG waitpid
0 = [ 100 sleep wait-for-pid ] [ drop ] if ;
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
: with-fork ( child parent -- pid )
fork [ zero? -rot if ] keep ; inline