Hi,
During porting one application from Solaris to Linux, we encountered one problem about the function iotcl. Our codes are as below: =============================================================== if (ioctl(4, I_PUSH, "ptem") < 0) { printf(" Error\n"); } ===============================================================
we found the return value of ioctl is always
This looks like code for managing a pseudo-terminal. My first guess would be that the very bad idea of supplying the file descriptor as a constant in your ioctl call has come back to bite you as you port the code. Any additional or fewer opens of file descriptors prior to creating the pseudo terminal will break your code. Assign the return from the open of the pseudo terminal to a variable and supply that variable to your ioctl call.
Worse than that, I_PUSH is a STREAMS module push. Linux does not use STREAMS and hence the existance of LiS
There have been several responses in: comp.os.linux.development.system
Cheers,
-- John McCallum, Artesyn CP, Edinburgh For email, leave the web and we're not so small.
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