Unnamed repository; edit this file 'description' to name the repository.
Run the main thread under the User Interactive QoS class
| -rw-r--r-- | crates/rust-analyzer/src/bin/main.rs | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/crates/rust-analyzer/src/bin/main.rs b/crates/rust-analyzer/src/bin/main.rs index 660a780eb0..3224aeae56 100644 --- a/crates/rust-analyzer/src/bin/main.rs +++ b/crates/rust-analyzer/src/bin/main.rs @@ -78,7 +78,14 @@ fn try_main(flags: flags::RustAnalyzer) -> Result<()> { println!("rust-analyzer {}", rust_analyzer::version()); return Ok(()); } - with_extra_thread("LspServer", stdx::thread::QoSClass::Utility, run_server)?; + + // rust-analyzer’s “main thread” is actually a secondary thread + // with an increased stack size at the User Initiated QoS class. + // We use this QoS class because any delay in the main loop + // will make actions like hitting enter in the editor slow. + // rust-analyzer does not block the editor’s render loop, + // so we don’t use User Interactive. + with_extra_thread("LspServer", stdx::thread::QoSClass::UserInitiated, run_server)?; } flags::RustAnalyzerCmd::Parse(cmd) => cmd.run()?, flags::RustAnalyzerCmd::Symbols(cmd) => cmd.run()?, |