> getmsg and putmsg now are syscalls. Zach proposes user space emulation.
> If the glibc uses the user space stuff it wont be able to make the syscall
> version
No, it is possible. If you have a putmsg syscall wrapper is libfoo.so
and you link the application as
gcc -o bar bar.o -lfoo
the dynamic linker looks first in libfoo.so and then in libc.so.
Therefore a definition in glibc does not introduce any problems.
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