Hi,
I have a Visual Fortran application which exhibits problems related to concurrency and file buffer flushing when run under wine (it works under all versions of windows).
The program does essentially this:
opens a file writes to it closes it forks another program to read the file just written deletes the file in the original process
Under wine, the forked program does not find the file just written. If I run the program under winedbg and set a breakpoint somewhere between writing and deletion, the buffers are flushed when the breakpoint is reached, and the program works as it does under windows.
To my mind this would indicate that windows flushes all open buffers before forking a new process (the api call I see in wine debug output is CreateProcessW). Would it make sense to add flush-calls to the wine implementation as well? I tried to make the program work by adding calls to the Fortran subroutine FLUSH between closing and forking, but somewhat surprisingly, that didn't help.
Teemu