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| author | Kartik K. Agaram <vc@akkartik.com> | 2015-01-25 16:40:11 -0800 |
|---|---|---|
| committer | Kartik K. Agaram <vc@akkartik.com> | 2015-01-25 16:40:11 -0800 |
| commit | 4f686be1ebb6713933298531531fbef0898c6b2b (patch) | |
| tree | 3a46478c288a8b6fa835c16882363f41a5c891f4 /chessboard.mu | |
| parent | d1f57fa1ab95a36a562d2b75a064bc387bd2d5d3 (diff) | |
| download | mu-4f686be1ebb6713933298531531fbef0898c6b2b.tar.gz | |
623 - 'nochange' to guard against race conditions
I dunno, this may all be a wild goose chase. I haven't been disciplined in tagging in-out arguments in 'read-move' and its helpers. Maybe I should just drop those 'nochange' oargs in 'read' and 'write'. Maybe I should reserve output args only for return values that callers might actually care about, and use more conventional metadata like 'const' or 'unique' or 'inout' on other args.
Diffstat (limited to 'chessboard.mu')
| -rw-r--r-- | chessboard.mu | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/chessboard.mu b/chessboard.mu index b26401ab..8177a403 100644 --- a/chessboard.mu +++ b/chessboard.mu @@ -127,7 +127,7 @@ (function read-file [ (default-space:space-address <- new space:literal 30:literal) (stdin:channel-address <- next-input) - (x:tagged-value stdin:channel-address/deref <- read stdin:channel-address) + (x:tagged-value stdin:channel-address/deref/nochange <- read stdin:channel-address) ;? (print-primitive-to-host x:tagged-value) ;? 1 ;? (print-primitive-to-host (("\n" literal))) ;? 1 (a:character <- copy ((#\a literal))) @@ -154,7 +154,7 @@ (function read-rank [ (default-space:space-address <- new space:literal 30:literal) (stdin:channel-address <- next-input) - (x:tagged-value stdin:channel-address/deref <- read stdin:channel-address) + (x:tagged-value stdin:channel-address/deref/nochange <- read stdin:channel-address) (c:character <- maybe-coerce x:tagged-value character:literal) ;? (print-primitive-to-host (("BBB " literal))) ;? 1 ;? (print-primitive-to-host c:character) ;? 1 @@ -180,7 +180,7 @@ (function expect-stdin [ (default-space:space-address <- new space:literal 30:literal) (stdin:channel-address <- next-input) - (x:tagged-value stdin:channel-address/deref <- read stdin:channel-address) + (x:tagged-value stdin:channel-address/deref/nochange <- read stdin:channel-address) (c:character <- maybe-coerce x:tagged-value character:literal) (expected:character <- next-input) (match?:boolean <- equal c:character expected:character) |