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Editorial Team
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Asked: 2026-05-13T10:50:04+00:00

So I just ran the example from this website and it says the the

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So I just ran the example from this website and it says the the output should alternate like so: 

threadFunc says: processing...
main() is running...
threadFunc says: processing...
main() is running...

However on my machine it produces this:

threadFunc says: processing...
threadFunc says: processing...
main() is running...
main() is running...

Is it because I have a single-core processor that isn’t multithreaded?

Note: I’m also getting this warning when compiling: implicit declaration of function ‘usleep’

I’m compiling with gcc like so: gcc new.c -o new -lpthread

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1 Answer

  1. Editorial Team

    You need to comment out line:

    pthread_join(pth, NULL /* void ** return value could go here */);

    Doing this will make it work as you expect

    Whats its doing is making the thread wait till the thread pth is finished before proceeding.

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