jemallocator 0.5.4

A Rust allocator backed by jemalloc
Documentation 
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//! Test background threads run-time default settings.

use jemallocator::Jemalloc;

#[global_allocator]
static A: Jemalloc = Jemalloc;

// Returns true if background threads are enabled.
fn background_threads() -> bool {
    jemalloc_ctl::opt::background_thread::read().unwrap()
}

#[test]
fn background_threads_runtime_defaults() {
    if !cfg!(feature = "background_threads_runtime_support") {
        // If the crate was compiled without background thread support,
        // then background threads are always disabled at run-time by default:
        assert!(!background_threads());
        return;
    }

    assert_eq!(background_threads(), cfg!(feature = "background_threads"));
}