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authorKartik Agaram <vc@akkartik.com>2018-12-04 09:57:40 -0800
committerKartik Agaram <vc@akkartik.com>2018-12-04 09:57:40 -0800
commit768093cd94eda44f869f45ea90f941f55c09a0ba (patch)
tree387aff0e3155faba5ce27e012eff16d36b7df6d4 /subx/cb
parent381d80f8a4dc52849564eba1b9245118bc1d84e1 (diff)
downloadmu-768093cd94eda44f869f45ea90f941f55c09a0ba.tar.gz
4835
Diffstat (limited to 'subx/cb')
0 files changed, 0 insertions, 0 deletions
 

generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2024-10-22 22:25:52 +0000


 


8 } /* Generic.Output */
.highlight .gp { color: #555555 } /* Generic.Prompt */
.highlight .gs { font-weight: bold } /* Generic.Strong */
.highlight .gu { color: #666666 } /* Generic.Subheading */
.highlight .gt { color: #aa0000 } /* Generic.Traceback */
.highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */
.highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */
.highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */
.highlight .kp { color: #008800 } /* Keyword.Pseudo */
.highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */
.highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */
.highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */
.highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */
.highlight .na { color: #336699 } /* Name.Attribute */
.highlight .nb { color: #003388 } /* Name.Builtin */
.highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */
.highlight .no { color: #003366; font-weight: bold } /* Name.Constant */
.highlight .nd { color: #555555 } /* Name.Decorator */
.highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */
.highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */
.highlight .nl { color: #336699; font-style: italic } /* Name.Label */
.highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */
.highlight .py { color: #336699; font-weight: bold } /* Name.Property */
.highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */
.highlight .nv { color: #336699 } /* Name.Variable */
.highlight .ow { color: #008800 } /* Operator.Word */
.highlight .w { color: #bbbbbb } /* Text.Whitespace */
.highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */
.highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */
.highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */
.highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */
.highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */
.highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */
.highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */
.highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */
.highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */
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.highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */
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(function producer [
  ; produce numbers 1 to 5 on a channel
  (default-space:space-address <- new space:literal 30:literal)
  (chan:channel-address <- next-input)
  ; n = 0
  (n:integer <- copy 0:literal)
  { begin
    (done?:boolean <- less-than n:integer 5:literal)
    (break-unless done?:boolean)
    ; other threads might get between these prints
    ($print (("produce: " literal)))
    (print-integer nil:literal/terminal n:integer)
    ($print (("\n" literal)))
    ; 'box' n into a dynamically typed 'tagged value' because that's what
    ; channels take
    (n2:integer <- copy n:integer)
    (n3:tagged-value-address <- init-tagged-value integer:literal n2:integer)
    (chan:channel-address/deref <- write chan:channel-address n3:tagged-value-address/deref)
    (n:integer <- add n:integer 1:literal)
    (loop)
  }
])

(function consumer [
  ; consume and print integers from a channel
  (default-space:space-address <- new space:literal 30:literal)
  (chan:channel-address <- next-input)
  { begin
    ; read a tagged value from the channel
    (x:tagged-value chan:channel-address/deref <- read chan:channel-address)
    ; unbox the tagged value into an integer
    (n2:integer <- maybe-coerce x:tagged-value integer:literal)
    ; other threads might get between these prints
    ($print (("consume: " literal)))
    (print-integer nil:literal/terminal n2:integer)
    ($print (("\n" literal)))
    (loop)
  }
])

(function main [
  (default-space:space-address <- new space:literal 30:literal)
  (chan:channel-address <- init-channel 3:literal)
  ; create two background 'routines' that communicate by a channel
  (routine1:integer <- fork consumer:fn nil:literal/globals nil:literal/limit chan:channel-address)
  (routine2:integer <- fork producer:fn nil:literal/globals nil:literal/limit chan:channel-address)
  (sleep until-routine-done:literal routine1:integer)
  (sleep until-routine-done:literal routine2:integer)
])