Fix scripts



git-svn-id: svn://svn.code.sf.net/p/dmtcp/code/trunk@2305 ba6dc0ae-232f-0410-883f-9ebac64fc565
Coord: Use epoll in place of select.

This is needed to make coordinator scalable. Typically, the select
system call can handle upto 1024 file descriptors only while epoll
allows us to handle several thousand fds.

git-svn-id: svn://svn.code.sf.net/p/dmtcp/code/trunk@2306 ba6dc0ae-232f-0410-883f-9ebac64fc565
Fixed some compiler warnings.

git-svn-id: svn://svn.code.sf.net/p/dmtcp/code/trunk@2307 ba6dc0ae-232f-0410-883f-9ebac64fc565
Minor fix for 2287.

git-svn-id: svn://svn.code.sf.net/p/dmtcp/code/trunk@2308 ba6dc0ae-232f-0410-883f-9ebac64fc565
Compiler warning fix; Removed redundant JASSERT.

git-svn-id: svn://svn.code.sf.net/p/dmtcp/code/trunk@2309 ba6dc0ae-232f-0410-883f-9ebac64fc565
Coord: Minor fix for 2306.

git-svn-id: svn://svn.code.sf.net/p/dmtcp/code/trunk@2310 ba6dc0ae-232f-0410-883f-9ebac64fc565
Coord: Replace timerfd with simpler timeout based on clock.

timerfd is a newer feature that is not available on older Kernels.

git-svn-id: svn://svn.code.sf.net/p/dmtcp/code/trunk@2311 ba6dc0ae-232f-0410-883f-9ebac64fc565
Coord: EPOLLRDHUP is available only on 2.6.17+.

git-svn-id: svn://svn.code.sf.net/p/dmtcp/code/trunk@2312 ba6dc0ae-232f-0410-883f-9ebac64fc565
Coord: Added dmtcp_get_coord_ckpt_dir() function.

git-svn-id: svn://svn.code.sf.net/p/dmtcp/code/trunk@2313 ba6dc0ae-232f-0410-883f-9ebac64fc565
modify-environ.c re-written to expand '$' variables
- Requires dmtcp_setenv and dmtcp_unsetenv to be defined.


git-svn-id: svn://svn.code.sf.net/p/dmtcp/code/trunk@2314 ba6dc0ae-232f-0410-883f-9ebac64fc565
Coord: Show realPid along with virtPid in coordinator.

git-svn-id: svn://svn.code.sf.net/p/dmtcp/code/trunk@2315 ba6dc0ae-232f-0410-883f-9ebac64fc565
PID: Don't acquire lock for reading pidmap file.

git-svn-id: svn://svn.code.sf.net/p/dmtcp/code/trunk@2316 ba6dc0ae-232f-0410-883f-9ebac64fc565
IB: Added Makefile.in

- "./configure --enable-infiniband-support" generated Makefile.
- Support for top level "make install/uninstall"