PTHREAD_MAIN_NP(3)

💅 PTHREAD_MAIN_NP(3) — like, the am I the main character check for threads

okay so bestie, welcome to the pthread_main_np page, which lives in the Library Functions Manual section 3. It's a POSIX Threads Library girly — that's libpthread, and you link it with -lpthread. periodt.

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✨ NAME ✨

pthread_main_np — identify the initial thread 🔍👑

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📚 LIBRARY 📚

POSIX Threads Library — that's libpthread, and the link flag is -lpthread. Don't forget it or nothing works and you'll be sad 😭

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🌸 SYNOPSIS 🌸

#include <pthread_np.h>

int
pthread_main_np(void);

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🦋 DESCRIPTION 🦋

So the pthread_main_np() function is what you use in a userland threads environment to identify the initial thread — like, the OG thread, the first one, the one that was there before all the other threads showed up. main character energy fr fr 👑

Its semantics are similar to Solaris's thr_main() function. iykyk ✨

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🎀 RETURN VALUES 🎀

The pthread_main_np() function returns:

• 1 — if the calling thread is the initial thread (slay, that's you 💅)
• 0 — if the calling thread is not the initial thread (not the main character today bestie 🌈)
• -1 — if the thread's initialization has not yet completed (give it a sec, it's still getting ready 🫶)

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👀 SEE ALSO 👀

• pthread_create(3)
• pthread_equal(3)
• pthread_np(3)
• pthread_self(3)

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💖 AUTHORS 💖

This manual page was written by Alexey Zelkin <phantom@FreeBSD.org>. iconic of them honestly 🌟

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ngl this page is from Debian, dated October 12, 2021, and it's the PTHREAD_MAIN_NP(3) page 💜 hope that helped bestie, now go check if you're the initial thread 🧚✨