bjoernager/rust
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Make Session.plugin_registrar_fn and Session.derive_registrar_fn thread-safe

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This commit is contained in:
John Kåre Alsaker 2018-04-01 08:18:10 +02:00
parent 27adb31fcc
commit e82b6c42b4
3 changed files with 8 additions and 8 deletions
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8
src/librustc/session/mod.rs
View file

@ -71,8 +71,8 @@ pub struct Session {
pub parse_sess: ParseSess,
/// For a library crate, this is always none
pub entry_fn: Once<Option<(NodeId, Span, config::EntryFnType)>>,
pub plugin_registrar_fn: Cell<Option<ast::NodeId>>,
pub derive_registrar_fn: Cell<Option<ast::NodeId>>,
pub plugin_registrar_fn: Once<Option<ast::NodeId>>,
pub derive_registrar_fn: Once<Option<ast::NodeId>>,
pub default_sysroot: Option<PathBuf>,
/// The name of the root source file of the crate, in the local file system.
/// `None` means that there is no source file.
@ -1094,8 +1094,8 @@ pub fn build_session_(
parse_sess: p_s,
// For a library crate, this is always none
entry_fn: Once::new(),
plugin_registrar_fn: Cell::new(None),
derive_registrar_fn: Cell::new(None),
plugin_registrar_fn: Once::new(),
derive_registrar_fn: Once::new(),
default_sysroot,
local_crate_source_file,
working_dir,

4
src/librustc_trans/back/symbol_export.rs
View file

@ -157,12 +157,12 @@ fn reachable_non_generics_provider<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>,
})
.collect();
if let Some(id) = tcx.sess.derive_registrar_fn.get() {
if let Some(id) = *tcx.sess.derive_registrar_fn.get() {
let def_id = tcx.hir.local_def_id(id);
reachable_non_generics.insert(def_id, SymbolExportLevel::C);
}
if let Some(id) = tcx.sess.plugin_registrar_fn.get() {
if let Some(id) = *tcx.sess.plugin_registrar_fn.get() {
let def_id = tcx.hir.local_def_id(id);
reachable_non_generics.insert(def_id, SymbolExportLevel::C);
}

4
src/librustc_trans_utils/symbol_names.rs
View file

@ -244,11 +244,11 @@ fn compute_symbol_name<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>, instance: Instance
let node_id = tcx.hir.as_local_node_id(def_id);
if let Some(id) = node_id {
if tcx.sess.plugin_registrar_fn.get() == Some(id) {
if *tcx.sess.plugin_registrar_fn.get() == Some(id) {
let disambiguator = tcx.sess.local_crate_disambiguator();
return tcx.sess.generate_plugin_registrar_symbol(disambiguator);
}
if tcx.sess.derive_registrar_fn.get() == Some(id) {
if *tcx.sess.derive_registrar_fn.get() == Some(id) {
let disambiguator = tcx.sess.local_crate_disambiguator();
return tcx.sess.generate_derive_registrar_symbol(disambiguator);
}