Orginize

2026-08-18 18:11:28 -04:00
parent 0e9a650fa2
commit bbaf47028f
259 changed files with 0 additions and 0 deletions
@@ -0,0 +1,74 @@
+/**
+ * Logical FD registry, sigaction, and snapshot-handle methods on kernel `ctx`.
+ */
+import {
+  bareOsIsPosixSignalName,
+  bareOsNormalizeSignalName
+} from './bare-os-posix-signals.js'
+
+export function createBareOsLogicalFdMethods() {
+  return {
+    /**
+     * @param {number} fd
+     * @param {string} target
+     */
+    bareOsRegisterLogicalFd(fd, target) {
+      const n = Number(fd)
+      if (!Number.isFinite(n) || n < 0 || n > 65535) return
+      const k = String(n >>> 0)
+      if (k === '0' || k === '1' || k === '2') return
+      this.bareOsLogicalFds[k] = String(target || '')
+    },
+    /** @param {number} fd */
+    bareOsUnregisterLogicalFd(fd) {
+      const k = String(Number(fd) >>> 0)
+      if (this.bareOsLogicalFds && typeof this.bareOsLogicalFds === 'object') {
+        delete this.bareOsLogicalFds[k]
+      }
+      if (
+        this.bareOsLogicalFdFlags &&
+        typeof this.bareOsLogicalFdFlags === 'object'
+      ) {
+        delete this.bareOsLogicalFdFlags[k]
+      }
+    },
+    /**
+     * Logical `sigaction`: `IGNORE` suppresses synthetic delivery for this signal.
+     * @param {string} signal
+     * @param {'IGNORE' | 'DEFAULT' | 'IGN' | 'DEF'} mode
+     */
+    bareOsSigaction(signal, mode) {
+      const s = bareOsNormalizeSignalName(signal)
+      if (!bareOsIsPosixSignalName(signal) || s === '0') {
+        throw new Error('bareOsSigaction: unsupported signal')
+      }
+      const m = String(mode || 'DEFAULT')
+        .toUpperCase()
+        .replace(/^SIG/i, '')
+      if (m === 'DEFAULT' || m === 'DEF') {
+        if (this.bareOsLogicalSigaction) delete this.bareOsLogicalSigaction[s]
+        return { ok: true, signal: s, mode: 'DEFAULT' }
+      }
+      if (m === 'IGNORE' || m === 'IGN') {
+        if (!this.bareOsLogicalSigaction) {
+          throw new Error('bareOsSigaction: internal state missing')
+        }
+        this.bareOsLogicalSigaction[s] = 'IGNORE'
+        return { ok: true, signal: s, mode: 'IGNORE' }
+      }
+      throw new Error('bareOsSigaction: mode must be IGNORE or DEFAULT')
+    },
+    /** @param {Record<string, unknown>} desc */
+    bareOsRegisterSnapshotHandle(desc) {
+      if (!desc || typeof desc !== 'object') return
+      if (!Array.isArray(this.bareOsSnapshotHandles)) {
+        this.bareOsSnapshotHandles = []
+      }
+      const id =
+        typeof desc.id === 'string' && desc.id.trim()
+          ? desc.id.trim().slice(0, 128)
+          : `snap-${this.bareOsSnapshotHandles.length}`
+      this.bareOsSnapshotHandles.push({ ...desc, id, atMs: Date.now() })
+    }
+  }
+}