Re: Kernel 2.x POSIX Compliance/Conformance...

[Valdis . Kletnieks]

On Wed, 04 Feb 2004 14:30:39 EST, "Randazzo, Michael" <RANDAZZO@xxxxxxxxxxx>  said:

> I have made attempts to use (Posix semaphores) in my LKM, but find 
> no POSIX support in /lib/modules/<uname -r>/build/include/unistd.h

Attempting to use syscalls intended for userspace while inside the kernel
is generally regarded as Bad Juju.

'man semctl' says:

     Under  Linux,  the  function semctl is not a system call, but is imple-
       mented via the system call ipc(2).

#define __NR_ipc                117

is what you weren't finding in unistd.h

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