raw_atomic_l...turn_acquire(9)

🎀 NAME 🎀

Kernel API Manual, bestie! This page is all about raw_atomic_long_dec_return_acquire(9) — atomic decrement with acquire ordering 💅

✨ SYNOPSIS ✨

long raw_atomic_long_dec_return_acquire (atomic_long_t *v );

🌸 ARGUMENTS 🌸

• v — pointer to atomic_long_t; it's the atomic long you're handing over 🫶

🦋 DESCRIPTION 🦋

Okay so here's the tea: it atomically updates v to (v - 1) with acquire ordering. Literally decrement plus acquire, no cap ✨

It's safe to use in noinstr code; outside of that, prefer atomic_long_dec_return_acquire 💖

💖 RETURN 💖

The updated value of v — that's the whole return, bestie 👑

🔥 SEE ALSO 🔥

Kernel file: ./include/linux/atomic/atomic-long.h 💀

• raw_atomic_long_read(9)
• raw_atomic_long_read_acquire(9)
• raw_atomic_long_set(9)
• raw_atomic_long_set_release(9)
• raw_atomic_long_add(9)
• raw_atomic_long_add_return(9)
• raw_atomic_long_add_return_acquire(9)
• raw_atomic_long_add_return_release(9)
• raw_atomic_long_add_return_relaxed(9)
• raw_atomic_long_fetch_add(9)
• raw_atomic_long_fetch_add_acquire(9)
• raw_atomic_long_fetch_add_release(9)
• raw_atomic_long_fetch_add_relaxed(9)
• raw_atomic_long_sub(9)
• raw_atomic_long_sub_return(9)
• raw_atomic_long_sub_return_acquire(9)
• raw_atomic_long_sub_return_release(9)
• raw_atomic_long_sub_return_relaxed(9)
• raw_atomic_long_fetch_sub(9)
• raw_atomic_long_fetch_sub_acquire(9)
• raw_atomic_long_fetch_sub_release(9)
• raw_atomic_long_fetch_sub_relaxed(9)
• raw_atomic_long_inc(9)
• raw_atomic_long_inc_return(9)
• raw_atomic_long_inc_return_acquire(9)
• raw_atomic_long_inc_return_release(9)
• raw_atomic_long_inc_return_relaxed(9)
• raw_atomic_long_fetch_inc(9)
• raw_atomic_long_fetch_inc_acquire(9)
• raw_atomic_long_fetch_inc_release(9)
• raw_atomic_long_fetch_inc_relaxed(9)
• raw_atomic_long_dec(9)
• raw_atomic_long_dec_return(9)
• raw_atomic_long_dec_return_release(9)
• raw_atomic_long_dec_return_relaxed(9)
• raw_atomic_long_fetch_dec(9)
• raw_atomic_long_fetch_dec_acquire(9)
• raw_atomic_long_fetch_dec_release(9)
• raw_atomic_long_fetch_dec_relaxed(9)
• raw_atomic_long_and(9)
• raw_atomic_long_fetch_and(9)
• raw_atomic_long_fetch_and_acquire(9)
• raw_atomic_long_fetch_and_release(9)
• raw_atomic_long_fetch_and_relaxed(9)
• raw_atomic_long_andnot(9)
• raw_atomic_long_fetch_andnot(9)
• raw_atomic_long_fetch_andnot_acquire(9)
• raw_atomic_long_fetch_andnot_release(9)
• raw_atomic_long_fetch_andnot_relaxed(9)
• raw_atomic_long_or(9)
• raw_atomic_long_fetch_or(9)
• raw_atomic_long_fetch_or_acquire(9)
• raw_atomic_long_fetch_or_release(9)
• raw_atomic_long_fetch_or_relaxed(9)
• raw_atomic_long_xor(9)
• raw_atomic_long_fetch_xor(9)
• raw_atomic_long_fetch_xor_acquire(9)
• raw_atomic_long_fetch_xor_release(9)
• raw_atomic_long_fetch_xor_relaxed(9)
• raw_atomic_long_xchg(9)
• raw_atomic_long_xchg_acquire(9)
• raw_atomic_long_xchg_release(9)
• raw_atomic_long_xchg_relaxed(9)
• raw_atomic_long_cmpxchg(9)
• raw_atomic_long_cmpxchg_acquire(9)
• raw_atomic_long_cmpxchg_release(9)
• raw_atomic_long_cmpxchg_relaxed(9)
• raw_atomic_long_try_cmpxchg(9)
• raw_atomic_long_try_cmpxchg_acquire(9)
• raw_atomic_long_try_cmpxchg_release(9)
• raw_atomic_long_try_cmpxchg_relaxed(9)
• raw_atomic_long_sub_and_test(9)
• raw_atomic_long_dec_and_test(9)
• raw_atomic_long_inc_and_test(9)
• raw_atomic_long_add_negative(9)
• raw_atomic_long_add_negative_acquire(9)
• raw_atomic_long_add_negative_release(9)
• raw_atomic_long_add_negative_relaxed(9)
• raw_atomic_long_fetch_add_unless(9)
• raw_atomic_long_add_unless(9)
• raw_atomic_long_inc_not_zero(9)
• raw_atomic_long_inc_unless_negative(9)
• raw_atomic_long_dec_unless_positive(9)
• raw_atomic_long_dec_if_positive(9)

Okay bestie, that's the whole page! Source/version spot: ./include/linux/atomic; date: October 2026; footer title: raw_atomic_l...turn_acquire(9). Bye 💅✨