72 lines
3.9 KiB
JavaScript
72 lines
3.9 KiB
JavaScript
"use strict";
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.withPermitsScoped = exports.withPermits = exports.withPermitScoped = exports.withPermit = exports.unsafeMakeSemaphore = exports.releaseN = exports.release = exports.make = exports.available = exports.acquireN = exports.acquire = exports.TSemaphoreTypeId = void 0;
|
|
var Cause = _interopRequireWildcard(require("../../Cause.js"));
|
|
var Effect = _interopRequireWildcard(require("../../Effect.js"));
|
|
var _Function = require("../../Function.js");
|
|
var STM = _interopRequireWildcard(require("../../STM.js"));
|
|
var core = _interopRequireWildcard(require("./core.js"));
|
|
var tRef = _interopRequireWildcard(require("./tRef.js"));
|
|
function _interopRequireWildcard(e, t) { if ("function" == typeof WeakMap) var r = new WeakMap(), n = new WeakMap(); return (_interopRequireWildcard = function (e, t) { if (!t && e && e.__esModule) return e; var o, i, f = { __proto__: null, default: e }; if (null === e || "object" != typeof e && "function" != typeof e) return f; if (o = t ? n : r) { if (o.has(e)) return o.get(e); o.set(e, f); } for (const t in e) "default" !== t && {}.hasOwnProperty.call(e, t) && ((i = (o = Object.defineProperty) && Object.getOwnPropertyDescriptor(e, t)) && (i.get || i.set) ? o(f, t, i) : f[t] = e[t]); return f; })(e, t); }
|
|
/** @internal */
|
|
const TSemaphoreSymbolKey = "effect/TSemaphore";
|
|
/** @internal */
|
|
const TSemaphoreTypeId = exports.TSemaphoreTypeId = /*#__PURE__*/Symbol.for(TSemaphoreSymbolKey);
|
|
/** @internal */
|
|
class TSemaphoreImpl {
|
|
permits;
|
|
[TSemaphoreTypeId] = TSemaphoreTypeId;
|
|
constructor(permits) {
|
|
this.permits = permits;
|
|
}
|
|
}
|
|
/** @internal */
|
|
const make = permits => STM.map(tRef.make(permits), permits => new TSemaphoreImpl(permits));
|
|
/** @internal */
|
|
exports.make = make;
|
|
const acquire = self => acquireN(self, 1);
|
|
/** @internal */
|
|
exports.acquire = acquire;
|
|
const acquireN = exports.acquireN = /*#__PURE__*/(0, _Function.dual)(2, (self, n) => core.withSTMRuntime(driver => {
|
|
if (n < 0) {
|
|
throw new Cause.IllegalArgumentException(`Unexpected negative value ${n} passed to Semaphore.acquireN`);
|
|
}
|
|
const value = tRef.unsafeGet(self.permits, driver.journal);
|
|
if (value < n) {
|
|
return STM.retry;
|
|
} else {
|
|
return STM.succeed(tRef.unsafeSet(self.permits, value - n, driver.journal));
|
|
}
|
|
}));
|
|
/** @internal */
|
|
const available = self => tRef.get(self.permits);
|
|
/** @internal */
|
|
exports.available = available;
|
|
const release = self => releaseN(self, 1);
|
|
/** @internal */
|
|
exports.release = release;
|
|
const releaseN = exports.releaseN = /*#__PURE__*/(0, _Function.dual)(2, (self, n) => core.withSTMRuntime(driver => {
|
|
if (n < 0) {
|
|
throw new Cause.IllegalArgumentException(`Unexpected negative value ${n} passed to Semaphore.releaseN`);
|
|
}
|
|
const current = tRef.unsafeGet(self.permits, driver.journal);
|
|
return STM.succeed(tRef.unsafeSet(self.permits, current + n, driver.journal));
|
|
}));
|
|
/** @internal */
|
|
const withPermit = exports.withPermit = /*#__PURE__*/(0, _Function.dual)(2, (self, semaphore) => withPermits(self, semaphore, 1));
|
|
/** @internal */
|
|
const withPermits = exports.withPermits = /*#__PURE__*/(0, _Function.dual)(3, (self, semaphore, permits) => Effect.uninterruptibleMask(restore => Effect.zipRight(restore(core.commit(acquireN(permits)(semaphore))), Effect.ensuring(self, core.commit(releaseN(permits)(semaphore))))));
|
|
/** @internal */
|
|
const withPermitScoped = self => withPermitsScoped(self, 1);
|
|
/** @internal */
|
|
exports.withPermitScoped = withPermitScoped;
|
|
const withPermitsScoped = exports.withPermitsScoped = /*#__PURE__*/(0, _Function.dual)(2, (self, permits) => Effect.acquireReleaseInterruptible(core.commit(acquireN(self, permits)), () => core.commit(releaseN(self, permits))));
|
|
/** @internal */
|
|
const unsafeMakeSemaphore = permits => {
|
|
return new TSemaphoreImpl(new tRef.TRefImpl(permits));
|
|
};
|
|
exports.unsafeMakeSemaphore = unsafeMakeSemaphore;
|
|
//# sourceMappingURL=tSemaphore.js.map
|