Fix small warnings, turn on -Wall -Werror. Change-Id: Iab1f01a7c7ebd6ba832b75067c5e395f380a1b8b
To check for robustness against EINTR from syscalls, add an interrupter library that can be preloaded with LD_PRELOAD. Change-Id: I0a6cd8702ec5bc6b2927a5e223ee3cdc033860a2