| // 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); |
| REPORT_RESULT(1); |
| } |
| |