Hello,
while studying First Order Logic some of my results are a little different from the results in the book.

Can you please tell me if they are equivalement or why mine does not work?

Since...

Hello,
I'm not sure what is considered a "type". I need to identify the several types within a problem.

Example:
"There are products (name and code) and vans (brand and code) A van take a...

Hello,

the listp function doesn't apply the full "list" rules.

Example

(cons 1 ( cons 2 3 ))

Isn't a list as the definition goes:

Hello,
considering an application where a map is represent by a graph (array of vertex and adjmatrix). Also in that application, 2 agents have to go on the map and find ways in it (using different...

Hello,

not sure if it's ok to ask this here. I need to simplify a boolean algebra expression.

x'y'w'z' + x'yw'z' + xw'z' + x w + x'y'w'z + x'y'wz + x'y'wz'

after doing some operations the...

Probably gonna use the if anyway :o

Yeah, well, I think that putting pthread_join call after the pthread_Create call would work ok and would spare an if.

Just wanted to know if the other solution would clean everything.

Thanks...

Hello,

this is a simple model for a simple program that will spawn a thread to run a given option in a menu (only option 1 and 2 run threads). The loop will need to wait for a thread to complete,...

Well it's working Ok. managed to work it out from examples.

1) Just created a thread with

pthread_t newThreadName;

2) Then "attached" (not sure to what's the expression) the newThreadName to...

Hello,

some hits, tips, tricks...

Thanks.

Hello,

if we need to protect a given number of resources, do we need 1 semaphore for each?

Let's say:

4 shared memory areas, used by 3 processes;

Will we need to create a semaphore set...

Hello,

I want to create a very simple program to test threading. Example


int main () {

char option = 'a';
int run = 1;

Hello,

can a context belong to more than one process? When a process creates another with fork does the new process have a complete new context?

Thanks.

Sorry, posted this in the wrong forum.

Original message content deleted.

Posted here: http://daniweb.com/techtalkforums/threadedpost127370.html#post127370

It's working.

Pretty much the same, just inserted a pausing section / call to wait for the server before trying to reopen the pipe.

Thanks.

After investigating... (ps -xua)

* the server does get started (appears on process list using ps -xua)
* that processe's state is S (sleeping)

Any ideas?

Thanks.

Testing and learning purposes (the teacher asked it ).

Hello,

I have a small app that uses pipes to do some basic client / server communication, just for testing purposes.

Well, when the server is run before the client, it works fine. However, if...