If you wish to look at a specific application limits during run, you can do the following
pgrep fortcom 12345
* I used for fortcom, but it could be any application you wish to take a look.
cat /proc/12345/limits
Limit Soft Limit Hard Limit Units Max cpu time unlimited unlimited seconds Max file size unlimited unlimited bytes Max data size unlimited unlimited bytes Max stack size 8388608 unlimited bytes Max core file size 0 unlimited bytes Max resident set unlimited unlimited bytes Max processes 4096 2190327 processes Max open files 1024 4096 files Max locked memory unlimited unlimited bytes Max address space unlimited unlimited bytes Max file locks unlimited unlimited locks Max pending signals 2190327 2190327 signals Max msgqueue size 819200 819200 bytes Max nice priority 0 0 Max realtime priority 0 0 Max realtime timeout unlimited unlimited us
* You can take a look that there is no limits to Max locked Memory and Max file locks are unlimited.