warning: passing arg 3 of `pthread_create' from incompatible ...

[Spark]

Hello again,
this is just something weird that I don't quite understand, maybe you can enlighten me. While trying to get rid of all the compiler warnings, I found this warning:
"warning: passing arg 3 of `pthread_create' from incompatible poin
ter type"

It is generated by this line:
pthread_create(&unused_id, NULL, chat_stream, &clntsock);

The chat_stream function looks like this:
void chat_stream(int *newsock)
{
...
}

This actually works flawlessly, so why does it give me a warning? This is exactly how it's done in the example at http://www.cs.cf.ac.uk/Dave/C/node29.html (I think).

[Hammer]

pthread_create is prototyped as

>int pthread_create(pthread_t *thread, const pthread_attr_t *attr, void *(*start)(void *), void *arg);

I'm going to guess your problem is that the highlighted section doesn't match your function:

>void chat_stream(int *newsock)

[Salem]

> This is exactly how it's done in the example
Your function has a different type
- you pass it different arguments
- it returns different results

To be blunt

void *chat_stream(void *p) 
{
    int *newsock = p;
    return NULL; 
}

[Spark]

Thanks, it's working now!