blob: b5f148b1c92dbd0acd8fcc45674bbbfbb6c2b097 [file] [log] [blame]
// 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) {
REPORT_RESULT(result);
}
int counter = 0;
int nesting = 0;
int acall_counter = 0;
void EMSCRIPTEN_KEEPALIVE acall(void *arg) {
assert(nesting == 0);
printf("an async call %d\n", ++acall_counter);
}
void iter() {
printf("frame: %d\n", ++counter);
emscripten_async_call(acall, 0, counter % 2); // 0 or 1 millis, try to execute this *before* the sync callback finishes, which would be bad
// ensure we don't 'recurse' with the main loop sending is back in before the synchronous operation callback finishes the rest of this trace
assert(nesting == 0);
nesting++;
emscripten_sleep(500);
assert(nesting == 1);
nesting = 2;
if (counter % 3 == 2) {
// second sleep every 3rd frame, to test sleep when returning from a sleep
printf(" (second sleep)\n");
assert(nesting == 2);
nesting = 3;
emscripten_sleep(1000);
assert(nesting == 3);
};
nesting = 0;
if (counter == 10) {
assert(acall_counter == 9 /* the tenth is about to execute, but not yet! */ );
finish(121); // if we got here without hitting any assertions, all is well
emscripten_cancel_main_loop();
}
}
int main() {
emscripten_set_main_loop(iter, 3, 0);
}
}