MPI_Request_toint(3)

💖 MPI_Request_toint — the MPI glow-up page 💖

okay bestie, so this is a page from the MPI manual, section 3 (that's the library-functions girlies, iykyk) ✨

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✨ NAME ✨

MPI_Request_toint — bestie, this one converts an MPI_Request into an integer handle. that's the whole gig. no cap. 🎀

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🌸 SYNOPSIS 🌸

int MPI_Request_toint(MPI_Request request)

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🦋 INPUT PARAMETERS 🦋

• request — the communication request, and it's a handle. that's it, that's the input, she's lowkey a one-parameter icon 👑

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🔥 THREAD AND INTERRUPT SAFETY 🔥

okay so this next part actually matters, don't skip it 🙈

this routine is thread-safe. what that means for you, bestie: multiple threads can use it at the same time and it will simply not need any user-provided thread locks. no mutexes, no hand-holding, she handles herself 💅 periodt.

but — and this is the important but — the routine is not interrupt safe. 😭 typically this is because of memory allocation routines like malloc, or other non-MPICH runtime routines, that are themselves not interrupt-safe. so like, interrupting her mid-thought is a no. the vibe check fails there. fr fr.

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and that's the whole page, bestie 🫶 go forth and turn your requests into integers responsibly ✨

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signing off from the MPI manual, version dated 4/10/2026 — page MPI_Request_toint(3), mwah 💋 👑🌈⭐