🚀 go-pugleaf

In article <1992Apr10.133656.28981@ugle.unit.no>, jlongva@Siri.Unit.NO (J|rgen Longva) writes:
|> 
|> The external routine must pass data back to the windows-program, and I
|> use the hard disk as a buffer:
|> 
|>   // Executes the external routine.
|>   if (WinExec("routine.exe", SW_HIDE) < 32)
|>     --> Error
|> 
|>   // Reads the information returned by the external routine.
|>   if ((file = _open("info.txt", O_RDWR)) == -1)
|>     --> Error
|> 
|>   ...
|> 
|> The problem is that the main-program continues to run - and reaches the
|> line where I open the result-file too early. I've made a .pif-file for
|> the externl routine that checks the "Exclusive"-flag for priority.
|> 
|> How can I check when the external routine is finished? Is there an al-
|> ternative to WinExec(...) (the LoadModule(...) does only work for win-
|> dows .exe-files)?

There are 2 ways to solve this:

1. Use yield() function (proably don't work)
2. Have some synchronization ie: the external routine create a special file
   when it completes its job.  Your main program have to check this file.

Yeah, it does not look great but I think it works.

Natawut Nupairoj.