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I don't care about a specific count. And in this case i think i have 8+1 process.

Hi, I need to help with semafor implementation understanding. I meant I understood the logic of it based on available sources, but during implementation I am not able to get the desire outcome.
...

strange

my be i upload one of my attempts
sorry

try this


#include <stdio.h>
#include <stdlib.h>

ok I expressed myself wrong
i am using prinf in handler only for debug ...

So my questing is: How a get i PID of process witch calling a Handler?

#include <stdio.h>#include <stdlib.h>
#include <unistd.h>
#include <signal.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#include <sys/wait.h>


int const pipeCount = 1;

My mistake ... i found trouble ... in placeing return to wrong process ...

this is correct ...


#include <stdio.h>#include <stdlib.h>
#include <unistd.h>
#include <signal.h>
#include...

Hi

i need to create 5 children ... and each must have open one end of five pipes ...

so i create a this ...


#include <stdio.h>#include <stdlib.h>
#include <unistd.h>
#include...

Hi

i need explanation ... how it is possible this:


#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <signal.h>
#include <string.h>

OK, I'm sorry I don't know the local customs ...

Thank you for the explanation and advice.

So .... with your solotion a create a simpli code for testing Pipes ...


Transfer data between two programs ...


It is Works!


But ... with void functions instead of a function with a...

@Salem: Works ... thx

Hi, i am stack for hours on basic staff so I decided to ask for help.

I need to fill variable buffer2 from funkcion GetBackString ... and buffer2 it need to be a array.


char GetBackString(){...