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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-12 05:43:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-12 05:43:14 +0000 |
commit | 8dd16259287f58f9273002717ec4d27e97127719 (patch) | |
tree | 3863e62a53829a84037444beab3abd4ed9dfc7d0 /toolkit/components/uniffi-fixtures/refcounts/src/lib.rs | |
parent | Releasing progress-linux version 126.0.1-1~progress7.99u1. (diff) | |
download | firefox-8dd16259287f58f9273002717ec4d27e97127719.tar.xz firefox-8dd16259287f58f9273002717ec4d27e97127719.zip |
Merging upstream version 127.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'toolkit/components/uniffi-fixtures/refcounts/src/lib.rs')
-rw-r--r-- | toolkit/components/uniffi-fixtures/refcounts/src/lib.rs | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/toolkit/components/uniffi-fixtures/refcounts/src/lib.rs b/toolkit/components/uniffi-fixtures/refcounts/src/lib.rs new file mode 100644 index 0000000000..6554625c62 --- /dev/null +++ b/toolkit/components/uniffi-fixtures/refcounts/src/lib.rs @@ -0,0 +1,32 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/// This crate exists to test managing the Rust Arc strong counts as JS objects are +/// created/destroyed. See `test_refcounts.js` for how it's used. +use std::sync::{Arc, Mutex}; + +pub struct SingletonObject; + +impl SingletonObject { + pub fn method(&self) {} +} + +static SINGLETON: Mutex<Option<Arc<SingletonObject>>> = Mutex::new(None); + +pub fn get_singleton() -> Arc<SingletonObject> { + Arc::clone( + SINGLETON + .lock() + .unwrap() + .get_or_insert_with(|| Arc::new(SingletonObject)), + ) +} + +pub fn get_js_refcount() -> i32 { + // Subtract 2: one for the reference in the Mutex and one for the temporary reference that + // we're calling Arc::strong_count on. + (Arc::strong_count(&get_singleton()) as i32) - 2 +} + +include!(concat!(env!("OUT_DIR"), "/refcounts.uniffi.rs")); |