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Retry if creating temp fails with access denied

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On Windows, if creating a temporary directory fails with permission denied then use a retry/backoff loop. This hopefully fixes a recuring error in our CI.
This commit is contained in:
Chris Denton
2025-04-20 15:29:17 +00:00
parent 077cedc2af
commit c07054bdd1
7 changed files with 54 additions and 11 deletions
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5
compiler/rustc_codegen_ssa/src/back/link.rs
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@@ -18,7 +18,7 @@ use rustc_data_structures::fx::FxIndexSet;
use rustc_data_structures::memmap::Mmap;
use rustc_data_structures::temp_dir::MaybeTempDir;
use rustc_errors::{DiagCtxtHandle, LintDiagnostic};
use rustc_fs_util::{fix_windows_verbatim_for_gcc, try_canonicalize};
use rustc_fs_util::{TempDirBuilder, fix_windows_verbatim_for_gcc, try_canonicalize};
use rustc_hir::def_id::{CrateNum, LOCAL_CRATE};
use rustc_macros::LintDiagnostic;
use rustc_metadata::fs::{METADATA_FILENAME, copy_to_stdout, emit_wrapper_file};
@@ -48,7 +48,6 @@ use rustc_target::spec::{
LinkerFeatures, LinkerFlavor, LinkerFlavorCli, Lld, PanicStrategy, RelocModel, RelroLevel,
SanitizerSet, SplitDebuginfo,
};
use tempfile::Builder as TempFileBuilder;
use tracing::{debug, info, warn};
use super::archive::{ArchiveBuilder, ArchiveBuilderBuilder};
@@ -100,7 +99,7 @@ pub fn link_binary(
});
if outputs.outputs.should_link() {
let tmpdir = TempFileBuilder::new()
let tmpdir = TempDirBuilder::new()
.prefix("rustc")
.tempdir()
.unwrap_or_else(|error| sess.dcx().emit_fatal(errors::CreateTempDir { error }));