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futex_wake

std::sys::pal::unix::futex

Function futex_wake 

Source 
pub fn futex_wake(futex: &Atomic<u32>) -> bool
Available on (Android or Linux) and (Android, or DragonFly BSD, or FreeBSD, or Fuchsia, or Linux, or OpenBSD, or Emscripten and target feature atomics) only.
Expand description

Wakes up one thread that’s blocked on futex_wait on this futex.

Returns true if this actually woke up such a thread, or false if no thread was waiting on this futex.

On some platforms, this always returns false.