Function initializeStreams

Platforms/emscripten/streams.mjs:212–241

(fsarg)

}

export function initializeStreams(fsarg) {
  FS = fsarg;
  const major = FS.createDevice.major++;
  DEVS.stdin = FS.makedev(major, 0);
  DEVS.stdout = FS.makedev(major, 1);
  DEVS.stderr = FS.makedev(major, 2);

  FS.registerDevice(DEVS.stdin, stream_ops);
  FS.registerDevice(DEVS.stdout, stream_ops);
  FS.registerDevice(DEVS.stderr, stream_ops);

  FS.unlink("/dev/stdin");
  FS.unlink("/dev/stdout");
  FS.unlink("/dev/stderr");

  FS.mkdev("/dev/stdin", DEVS.stdin);
  FS.mkdev("/dev/stdout", DEVS.stdout);
  FS.mkdev("/dev/stderr", DEVS.stderr);

  DEVOPS[DEVS.stdin] = new NodeReader(process.stdin);
  DEVOPS[DEVS.stdout] = new NodeWriter(process.stdout);
  DEVOPS[DEVS.stderr] = new NodeWriter(process.stderr);

  FS.closeStream(0 /* stdin */);
  FS.closeStream(1 /* stdout */);
  FS.closeStream(2 /* stderr */);
  FS.open("/dev/stdin", 0 /* O_RDONLY */);
  FS.open("/dev/stdout", 1 /* O_WRONLY */);
  FS.open("/dev/stderr", 1 /* O_WRONLY */);
}