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[ruby/mmtk] Exit with error message if MMTK_HEAP_MODE is invalid

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c8b1f4c156
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Peter Zhu 2025-01-14 12:05:23 -05:00 • committed by git
parent f627e05d14
commit 2bcbc80fa2
2 changed files with 17 additions and 8 deletions
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23
gc/mmtk/src/api.rs
View file

@ -77,6 +77,20 @@ fn mmtk_builder_default_parse_heap_max() -> usize {
size
}
fn mmtk_builder_default_parse_heap_mode(heap_min: usize, heap_max: usize) -> GCTriggerSelector {
let heap_mode_str = std::env::var("MMTK_HEAP_MODE")
.unwrap_or("dynamic".to_string());
match heap_mode_str.as_str() {
"fixed" => GCTriggerSelector::FixedHeapSize(heap_max),
"dynamic" => GCTriggerSelector::DynamicHeapSize(heap_min, heap_max),
_ => {
eprintln!("[FATAL] Invalid MMTK_HEAP_MODE {}", heap_mode_str);
std::process::exit(1);
}
}
}
#[no_mangle]
pub extern "C" fn mmtk_builder_default() -> *mut MMTKBuilder {
let mut builder = MMTKBuilder::new_no_env_vars();
@ -96,10 +110,7 @@ pub extern "C" fn mmtk_builder_default() -> *mut MMTKBuilder {
std::process::exit(1);
}
let mmtk_mode = match std::env::var("MMTK_HEAP_MODE") {
Ok(mode) if (mode == "fixed") => GCTriggerSelector::FixedHeapSize(heap_max),
Ok(_) | Err(_) => GCTriggerSelector::DynamicHeapSize(heap_min, heap_max)
};
let heap_mode = mmtk_builder_default_parse_heap_mode(heap_min, heap_max);
// Parse the env var, if it's not found set the plan name to MarkSweep
let plan_name = std::env::var("MMTK_PLAN")
@ -111,9 +122,7 @@ pub extern "C" fn mmtk_builder_default() -> *mut MMTKBuilder {
builder.options.plan.set(plan_selector);
// Between 1MiB and 500MiB
builder.options.gc_trigger.set(mmtk_mode);
builder.options.gc_trigger.set(heap_mode);
Box::into_raw(Box::new(builder))
}

2
test/mmtk/test_configuration.rb
View file

@ -2,7 +2,7 @@
require_relative "helper"
module MMTk
class TestConfiguration < TestCase
%w(MMTK_THREADS MMTK_HEAP_MIN MMTK_HEAP_MAX).each do |var|
%w(MMTK_THREADS MMTK_HEAP_MIN MMTK_HEAP_MAX MMTK_HEAP_MODE).each do |var|
define_method(:"test_invalid_#{var}") do
exit_code = assert_in_out_err(
[{ var => "foobar" }, "--"],