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async_mainloop.cpp

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 wasmfs.workerfs

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async_mainloop.cpp

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// Copyright 2015 The Emscripten Authors. All rights reserved.

// Emscripten is available under two separate licenses, the MIT license and the

// University of Illinois/NCSA Open Source License. Both these licenses can be

// found in the LICENSE file.

#include <stdio.h>

#include <emscripten.h>

#include <assert.h>

extern "C" {

void EMSCRIPTEN_KEEPALIVE finish(int result) {

assert(result == 121);

emscripten_force_exit(0);

}

int counter = 0;

int nesting = 0;

void iter() {

printf("frame: %d\n", ++counter);

// ensure we don't 'recurse' with the main loop sending us back in before the synchronous operation callback finishes the rest of this trace

assert(nesting == 0);

nesting++;

emscripten_sleep(500);

assert(nesting == 1);

nesting = 0;

if (counter == 10) {

finish(121); // if we got here without hitting any assertions, all is well

emscripten_cancel_main_loop();

}

}

int main() {

emscripten_set_main_loop(iter, 0, 0);

}

}