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Attempt to prevent a race condition with dmd test runner when same file but different extension is used (#16330)

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Richard (Rikki) Andrew Cattermole 2024-03-26 21:54:00 +13:00 • committed by GitHub
parent ab4e5f54f8
commit bc7dd498dd
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3 changed files with 20 additions and 6 deletions
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20
compiler/test/tools/d_do_test.d
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@ -1598,10 +1598,22 @@ int tryMain(string[] args)
const input_dir = input_file.dirName();
const test_base_name = input_file.baseName();
const test_name = test_base_name.stripExtension();
const test_ext = test_base_name.extension();
const result_path = envData.results_dir ~ envData.sep;
const output_dir = result_path ~ input_dir;
const output_file = result_path ~ input_file ~ ".out";
// Previously we did not take into account the test file extension,
// because of ImportC we now have the ability to have conflicting source file basenames (when ignoring extension).
// This can cause a race condition with the concurrent test runner,
// in which whilst one test is running another will try to clobber it and fail.
// Unfortunately dshell does not take into account our output directory,
// at least not in a way that'll allow us to take advantage of the test extension.
// However since its not really an issue for clobbering, we'll ignore it.
const result_path = envData.results_dir ~ envData.sep;
const output_dir_base = result_path ~ input_dir;
const output_dir = (input_dir == "dshell" ? output_dir_base : (output_dir_base ~ envData.sep ~ test_ext[1 .. $]));
const output_file = result_path ~ input_file ~ ".out";
// We are potentially creating a test extension specific directory
mkdirRecurse(output_dir);
TestArgs testArgs;
switch (input_dir)
@ -1622,7 +1634,7 @@ int tryMain(string[] args)
return 1;
}
if (test_base_name.extension() == ".sh")
if (test_ext == ".sh")
{
string file = cast(string) std.file.read(input_file);
string disabledPlatforms;