Implementation of Ricart-Agrawala algorithm based on a library made in task 1.
Description is available in Russian (original) and English (translated and shorted).
Each child process should print to the terminal message in log_loop_operation_fmt (specified in pa2345.h) id * 5 times.
clang -std=c99 -Wall -pedantic *.c -L. -lruntime
export LD_LIBRARY_PATH="LD_LIBRARY_PATH:/path/to/pa4/dir";
### empty line
LD_PRELOAD=/full/path/to/llibruntime.so ./pa4 -p <proc_num> [--mutexl]
--mutexl - if flag is specified, the child process will enter the critical section before printing to terminal.