wx_read_posted_mbx(9)

📦 version 7.3.1, in nixpkgs unstable

💌 wx_read_posted_mbx(9) — the "wait for the notif, then grab the msg" girlie 💌

okay bestie, so this one's from the Kernel API Manual (section 9, kernel girlies only 💅) and it's literally the function you call when you want to wait for a message notification and receive the message. The way it does both in one go?? iconic. 🎀

✨ NAME ✨

wx_read_posted_mbx — wait for message notification and receive message 🦋

like, it waits for the notification first, then hands you the message. no cap, that's the whole vibe.

🌸 SYNOPSIS 🌸

int wx_read_posted_mbx (struct wx *wx , u32 *msg , u16 size );

🫶 ARGUMENTS 🫶

  • wx — pointer to the HW structure 💖 (the hardware bestie in question)
  • msg — The message buffer 📬 (this is where the message lands)
  • size — Length of buffer 📏 (how much room msg has, so be honest about it)

⭐ RETURN ⭐

returns 0 if it successfully received a message notification and copied it into the receive buffer. periodt. 💫

so yeah, 0 = we got the notif and the message got copied into the receive buffer, slay. any other value means it didn't do the thing (the manpage does not say what those other values are, so don't come for me 🙈).

🔥 SEE ALSO 🔥

Kernel file ./drivers/net/ethernet/wangxun/libwx/wx_mbx.c — that's the source, iykyk 👑

and the whole friend group 🫶:

ngl the mailbox code lives in ./drivers/net/ethernet/wangxun... — the manpage footer is truncated like that, so I'm keeping it exactly as-is, bestie. no editing the source of truth 💀

🌈 that's the whole page!! lots of love from October 2026, source ./drivers/net/ethernet/wangxun..., and remember: this is wx_read_posted_mbx(9) and she ate. 💅✨ see you in the group chat 🎀

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