In multi-thread applications in Linux environment, I'm using FIFO's for
communicating between threads.
In order to make it work properly, the FIFO must be opened in non
blocking mode. Up to fpc 3.0.4 I've been successfully using code like this:
fdc := FileOpen(myFifo,fmOpenWrite or O_NONBLOCK);
now in trunk the call returns forever an EAGAIN error (as if the
O_NOBLOCK flag was not forwarded to OS), and to make it work I'm forced
to use a call to fpOpen:
fdc := fpOpen(myFifo,O_RDWR or O_NONBLOCK);
which works properly.
Is this an fpc new feature or a bug?
Giuliano
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