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feat: kernel promise reference counting
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| import harden from '@agoric/harden'; | ||
|
|
||
| console.log(`=> loading bootstrap.js`); | ||
|
|
||
| function build(log) { | ||
| function waitFor(who, p) { | ||
| p.then( | ||
| answer => { | ||
| log(`Alice: Bob answers with value ${answer[0]}`); | ||
| if (answer[0] < 3) { | ||
| who~.gen(); | ||
| waitFor(who, answer[1]); | ||
| } | ||
| }, | ||
| err => { | ||
| log(`=> Alice: Bob rejected, ${err}`); | ||
| } | ||
| ); | ||
| } | ||
|
|
||
| return { | ||
| bootstrap(argv, vats) { | ||
| const bob = vats.bob; | ||
| const p = bob~.init(); | ||
| bob~.gen(); | ||
| waitFor(bob, p); | ||
| }, | ||
| }; | ||
| } | ||
|
|
||
| export default function setup(syscall, state, helpers) { | ||
| function log(what) { | ||
| helpers.log(what); | ||
| console.log(what); | ||
| } | ||
| return helpers.makeLiveSlots( | ||
| syscall, | ||
| state, | ||
| () => harden(build(log)), | ||
| helpers.vatID, | ||
| ); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| import harden from '@agoric/harden'; | ||
|
|
||
| function makePR() { | ||
| let r; | ||
| const p = new Promise((resolve, _reject) => { | ||
| r = resolve; | ||
| }); | ||
| return [p, r]; | ||
| } | ||
|
|
||
| function build(log_) { | ||
| let r = null; | ||
| let value = 0; | ||
| return { | ||
| init() { | ||
| let p; | ||
| [p, r] = makePR(); | ||
| return p; | ||
| }, | ||
| gen() { | ||
| let [p, newR] = makePR(); | ||
| let answer = [value, p]; | ||
| value += 1; | ||
| r(answer); | ||
| r = newR; | ||
| }, | ||
| }; | ||
| } | ||
|
|
||
| export default function setup(syscall, state, helpers) { | ||
| function log(what) { | ||
| helpers.log(what); | ||
| console.log(what); | ||
| } | ||
| return helpers.makeLiveSlots( | ||
| syscall, | ||
| state, | ||
| () => harden(build(log)), | ||
| helpers.vatID, | ||
| ); | ||
| } |
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