[git commit master] cancellation support for a large amount of the required syscalls

[Austin Foxley]

commit: http://git.uclibc.org/uClibc/commit/?id=57e8823548ad6e65d33b2153edeb18fb0edc20e6
branch: http://git.uclibc.org/uClibc/commit/?id=refs/heads/master

Signed-off-by: Austin Foxley <austinf at cetoncorp.com>

Patch is too large, so refusing to show it