issei_cl_check_read(9)

💖 issei_cl_check_read(9) 💖

okay bestie, welcome to the Kernel API Manual page for issei_cl_check_read — the little function that does the vibe check on whether a client has data to read. slay ✨

---

🌸 NAME 🌸

issei_cl_check_read — check if client has data to read.

Like, literally that's the whole job: peek at the client and tell you if there's data waiting. main character energy 💅

---

✨ SYNOPSIS ✨

int issei_cl_check_read (struct issei_host_client *cl );

---

🎀 ARGUMENTS 🎀

• cl — host client. that's the client you're checking, bestie 🫶

---

🦋 RETURN 🦋

• 1 — data available. there's stuff to read, go off ✨
• 0 — no data. nothing waiting, lowkey peaceful 🍓
• < 0 — error. not cute — handle it 😭

---

💜 SEE ALSO 💜

Kernel file ./drivers/misc/issei/host_client.c, plus the whole function clique:

• issei_cl_create(9)
• issei_cl_remove(9)
• issei_cl_connect(9)
• issei_cl_disconnect(9)
• issei_cl_all_disconnect(9)
• issei_cl_write(9)
• issei_cl_write_from_queue(9)
• issei_cl_read_buf(9)
• issei_cl_read(9)
• issei_cl_check_write(9)

---

mwah 💋 — this page's source/version lives under ./drivers/misc/issei, and the date stamp is October 2026. periodt. 💅🎀