Would you like to add more error handling for return values from functions like the following? - [fprintf](http://pubs.opengroup.org/onlinepubs/9699919799/functions/fprintf.html) ⇒ [CreatePidFile](https://github.com/bitcoin/bitcoin/blob/605c17844ea32b6d237db6d83871164dc7d59dab/src/util.cpp#L565) - [sigaction](http://pubs.opengroup.org/onlinepubs/9699919799/functions/sigaction.html) ⇒ [AppInit2](https://github.com/bitcoin/bitcoin/blob/473ad1bb026986db2569fff278d8957363f758f8/src/init.cpp#L832) How do you think improve this issue together with [another evolving software](https://github.com/Electric-Coin-Company/zcash/issues/677)?
Would you like to add more error handling for return values from functions like the following?
How do you think improve this issue together with another evolving software?