DOS ain't dead - User exception handler in C

User exception handler in C (Developers)

posted by Rugxulo , Usono, 24.07.2020, 18:39

> Hi, is it possible/how to install user exception handler in user program in
> DJGPP (DOS) and MinGW (Windows) to catch CPU exception before OS/program
> will crash? Does DJGPP have it's own hander or is it catched by DPMI server
> or other memory manager in v86 mode like JEMM? Is it possible to resume
> from exception and continue normally?

DJGPP's CvsWeb interface is down, so I can't link directly. But perhaps you want something like uclock.c (RDTSC) that catches SIGILL? (If not, sorry, I'm no hardware expert.)

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Complete thread:

User exception handler in C - RayeR, 24.07.2020, 13:15 (Developers)
- User exception handler in C - Japheth, 24.07.2020, 18:07
- User exception handler in C - Rugxulo, 24.07.2020, 18:39
- User exception handler in C - tkchia, 24.07.2020, 20:47
  - User exception handler in C - RayeR, 30.07.2020, 13:18
    - User exception handler in C - tom, 30.07.2020, 23:54
      - User exception handler in C - RayeR, 01.08.2020, 02:13
        User exception handler in C - Laaca, 16.08.2020, 21:27
        User exception handler in C - Laaca, 16.08.2020, 22:38
        User exception handler in C - Rugxulo, 17.08.2020, 22:35
        User exception handler in C - marcov, 18.08.2020, 12:23
        User exception handler in C - Laaca, 18.08.2020, 20:15
        User exception handler in C - Rugxulo, 19.08.2020, 19:44
        User exception handler in C - Laaca, 19.08.2020, 21:50
        User exception handler in C - Rugxulo, 23.08.2020, 17:32
        User exception handler in C - Japheth, 23.08.2020, 20:36
        User exception handler in C - Rugxulo, 17.08.2020, 22:26
        User exception handler in C - tkchia, 19.08.2020, 18:52
        User exception handler in C - marcov, 20.08.2020, 00:00
        User exception handler in C - Laaca, 20.08.2020, 15:31
    - User exception handler in C - tkchia, 31.07.2020, 19:36
      - User exception handler in C - RayeR, 01.08.2020, 02:16
- User exception handler in C - Guti, 27.07.2020, 08:22