XV6 Custom shared memory and semaphores

My assignment from exercise 3 for the 'Operating Systems' lesson where the xv6 operating system is used to implement functionality of system calls for shared memory and semaphores.

Compile & run

Open the terminal in a linux environment and type the following commands in the 'xv6-public-ex3' folder:

make qemu

or the below command to run the emulator in current terminal:

make qemu-nox

to exit from xv6 shell and return in your system shell just type ctrl + 'a' and then 'x'

Testing

You can try to run s workload or to create your own workloads, for example type the below command in xv6 shell

$ s

Disable/Enable kernel messages

Open param.h file and set SHMD value to 0