Porting GNU Libc?

[amirsadig]

hi,
what should I care in my kernel structure, so that porting gnu libc will be easy.
you know if gnu libc are ported, then the most application will be easy to port it.

[Therx]

Except for the OS dependant syscalls (ie video, keyboard etc.) the libc is independant.

If you want to make implementing syscalls easy then try to keep a standard for all the calls:-

Code: Select all

void read(int start, char *buffer, int size);

Or something which can cover all device calls fairly well

[Tim]

If you want to make implementing syscalls easy then try to keep a standard for all the calls:-

This particular standard is called POSIX. If you implement it then your OS will be compatible with most Unixes.

[amirsadig]

I have search the internet for POSIX Standard, but I could not found any free docs. did you know one?

[Tim]

Try here:
http://www.opengroup.org/onlinepubs/007904975/toc.htm

Free POSIX specifications are hard to come by, since you're supposed to buy a copy.

[be]

Linux is POSIX compatible. Maybe it's source can tell something?

[Tim]

You're likely to find more information from the Linux man pages than the source. The Linux man pages act as a useful Posix reference (at least where Linux is compliant) whereas the sources are more likely to confuse most people.