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| author |  Adam Chlipala <adamc@hcoop.net> | 2009-04-04 14:55:36 -0400 |
|---|---|---|
| committer | Adam Chlipala <adamc@hcoop.net> | 2009-04-04 14:55:36 -0400 |
| commit | 221615de9d28d6fa768ef3ce28483ed90d2aab6c (patch) | |
| tree | bd8687846d60efcadac3d2e06f77bdabedbec0b5 /tests/spawn.ur | |
| parent | cfcc0c0553a13a83cf674b00828c89b6f9459936 (diff) | |
spawn
Diffstat (limited to 'tests/spawn.ur')
| -rw-r--r-- | tests/spawn.ur | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/tests/spawn.ur b/tests/spawn.ur new file mode 100644 index 00000000..263b52bc --- /dev/null +++ b/tests/spawn.ur @@ -0,0 +1,24 @@ +table t : {A : int, Ch : channel string} + +fun listener n ch = + s <- recv ch; + alert (show n ^ ": " ^ s); + listener n ch + +fun speak id msg = + r <- oneRow (SELECT t.Ch FROM t WHERE t.A = {[id]}); + send r.T.Ch msg + +fun main () : transaction page = + ch1 <- channel; + dml (INSERT INTO t (A, Ch) VALUES (1, {[ch1]})); + ch2 <- channel; + dml (INSERT INTO t (A, Ch) VALUES (2, {[ch2]})); + + s1 <- source ""; + s2 <- source ""; + + return <xml><body onload={spawn (listener 1 ch1); spawn (listener 2 ch2)}> + 1: <ctextbox source={s1}/><button onclick={msg <- get s1; speak 1 msg}/><br/> + 2: <ctextbox source={s2}/><button onclick={msg <- get s2; speak 2 msg}/> + </body></xml> |