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-rw-r--r--desktop/node_modules/dir-compare/build/src/fs/BufferPool.js41
1 files changed, 41 insertions, 0 deletions
diff --git a/desktop/node_modules/dir-compare/build/src/fs/BufferPool.js b/desktop/node_modules/dir-compare/build/src/fs/BufferPool.js
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+++ b/desktop/node_modules/dir-compare/build/src/fs/BufferPool.js
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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.BufferPool = void 0;
+/**
+ * Collection of buffers to be shared between async processes.
+ * Avoids allocating buffers each time async process starts.
+ */
+class BufferPool {
+ /**
+ *
+ * @param bufSize Size of each buffer.
+ * @param bufNo Number of buffers. Caller has to make sure no more than bufNo async processes run simultaneously.
+ */
+ constructor(bufSize, bufNo) {
+ this.bufSize = bufSize;
+ this.bufNo = bufNo;
+ this.bufferPool = [];
+ for (let i = 0; i < this.bufNo; i++) {
+ this.bufferPool.push({
+ buf1: Buffer.alloc(this.bufSize),
+ buf2: Buffer.alloc(this.bufSize),
+ busy: false
+ });
+ }
+ }
+ allocateBuffers() {
+ for (let j = 0; j < this.bufNo; j++) {
+ const bufferPair = this.bufferPool[j];
+ if (!bufferPair.busy) {
+ bufferPair.busy = true;
+ return bufferPair;
+ }
+ }
+ throw new Error('Async buffer limit reached');
+ }
+ freeBuffers(bufferPair) {
+ bufferPair.busy = false;
+ }
+}
+exports.BufferPool = BufferPool;
+//# sourceMappingURL=BufferPool.js.map \ No newline at end of file