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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 <emscripten.h>
#include <stdio.h>
class DOS_Device {
int devnum;
public:
DOS_Device() { devnum = 0; }
virtual bool Read(unsigned char * data,unsigned short * size);
};
DOS_Device *Devices[10];
bool __attribute__((noinline)) DOS_Device::Read(unsigned char * data,unsigned short * size) {
printf("DOS_Device::Read (this = %ld)\n", (long)this);
return Devices[devnum]->Read(data,size);
}
class device_CON : public DOS_Device {
public:
bool Read(unsigned char * data,unsigned short * size);
};
bool device_CON::Read(unsigned char * data,unsigned short * size) {
printf("device_CON::Read (this = %ld) Sleep--> \n", (long)this);
EM_ASM({
Module.the_this = $0;
out('first this ' + Module.the_this);
}, this);
emscripten_sleep(1000);
EM_ASM({
out('second this ' + $0);
assert(Module.the_this === $0, 'this must be unchanged');
}, this);
printf("<--Sleep (this = %ld)\n", (long)this);
return true;
}
int main(void) {
device_CON con;
Devices[0] = &con;
DOS_Device dev;
dev.Read(0,0);
return 0;
}
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