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force the doctest rustc thread to share the name of the test

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This commit is contained in:
QuietMisdreavus 2018-07-24 10:35:55 -05:00
parent e3bc713e2e
commit 76e33b4eb4
2 changed files with 19 additions and 7 deletions
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22
src/librustc_driver/lib.rs
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@ -1497,10 +1497,12 @@ fn parse_crate_attrs<'a>(sess: &'a Session, input: &Input) -> PResult<'a, Vec<as
}
}
/// Runs `f` in a suitable thread for running `rustc`; returns a
/// `Result` with either the return value of `f` or -- if a panic
/// occurs -- the panic value.
pub fn in_rustc_thread<F, R>(f: F) -> Result<R, Box<dyn Any + Send>>
/// Runs `f` in a suitable thread for running `rustc`; returns a `Result` with either the return
/// value of `f` or -- if a panic occurs -- the panic value.
///
/// This version applies the given name to the thread. This is used by rustdoc to ensure consistent
/// doctest output across platforms and executions.
pub fn in_named_rustc_thread<F, R>(name: String, f: F) -> Result<R, Box<dyn Any + Send>>
where F: FnOnce() -> R + Send + 'static,
R: Send + 'static,
{
@ -1564,7 +1566,7 @@ pub fn in_rustc_thread<F, R>(f: F) -> Result<R, Box<dyn Any + Send>>
// The or condition is added from backward compatibility.
if spawn_thread || env::var_os("RUST_MIN_STACK").is_some() {
let mut cfg = thread::Builder::new().name("rustc".to_string());
let mut cfg = thread::Builder::new().name(name);
// FIXME: Hacks on hacks. If the env is trying to override the stack size
// then *don't* set it explicitly.
@ -1580,6 +1582,16 @@ pub fn in_rustc_thread<F, R>(f: F) -> Result<R, Box<dyn Any + Send>>
}
}
/// Runs `f` in a suitable thread for running `rustc`; returns a
/// `Result` with either the return value of `f` or -- if a panic
/// occurs -- the panic value.
pub fn in_rustc_thread<F, R>(f: F) -> Result<R, Box<dyn Any + Send>>
where F: FnOnce() -> R + Send + 'static,
R: Send + 'static,
{
in_named_rustc_thread("rustc".to_string(), f)
}
/// Get a list of extra command-line flags provided by the user, as strings.
///
/// This function is used during ICEs to show more information useful for

4
src/librustdoc/test.rs
View File

@ -550,7 +550,7 @@ impl Collector {
debug!("Creating test {}: {}", name, test);
self.tests.push(testing::TestDescAndFn {
desc: testing::TestDesc {
name: testing::DynTestName(name),
name: testing::DynTestName(name.clone()),
ignore: should_ignore,
// compiler failures are test failures
should_panic: testing::ShouldPanic::No,
@ -560,7 +560,7 @@ impl Collector {
let panic = io::set_panic(None);
let print = io::set_print(None);
match {
rustc_driver::in_rustc_thread(move || with_globals(move || {
rustc_driver::in_named_rustc_thread(name, move || with_globals(move || {
io::set_panic(panic);
io::set_print(print);
hygiene::set_default_edition(edition);