36 lines
1.0 KiB
Rust
36 lines
1.0 KiB
Rust
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//! Test background threads run-time default settings.
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extern crate jemallocator;
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extern crate libc;
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use jemallocator::Jemalloc;
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#[global_allocator]
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static A: Jemalloc = Jemalloc;
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// Returns true if background threads are enabled.
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fn background_threads() -> bool {
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unsafe {
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let mut v: bool = false;
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jemallocator::mallctl_fetch(b"opt.background_thread\0", &mut v).unwrap();
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v
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}
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}
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#[test]
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fn background_threads_runtime_defaults() {
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if !cfg!(feature = "background_threads_runtime_support") {
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// If the crate was compiled without background thread support,
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// then background threads are always disabled at run-time by default:
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assert_eq!(background_threads(), false);
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return;
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}
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if cfg!(feature = "background_threads") {
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// The crate was compiled with background-threads enabled by default:
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assert_eq!(background_threads(), true);
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} else {
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// The crate was compiled with background-threads disabled by default:
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assert_eq!(background_threads(), false);
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}
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}
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