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Lock active_units references on compaction

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This might race with mjit_recompile.
This commit is contained in:
Takashi Kokubun 2020-12-06 20:23:19 -08:00
parent 4b4af40f55
commit 556a728508
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1 changed files with 5 additions and 0 deletions
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5
mjit_worker.c
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@ -936,7 +936,9 @@ compile_compact_jit_code(char* c_file)
// TODO: Consider using a more granular lock after we implement inlining across
// compacted functions (not done yet).
bool success = true;
CRITICAL_SECTION_START(3, "before active_units list_for_each");
list_for_each(&active_units.head, child_unit, unode) {
CRITICAL_SECTION_FINISH(3, "after active_units list_for_each");
char funcname[MAXPATHLEN];
sprint_funcname(funcname, child_unit);
@ -950,7 +952,10 @@ compile_compact_jit_code(char* c_file)
if (!iseq_label) iseq_label = sep = "";
fprintf(f, "\n/* %s%s%s:%ld */\n", iseq_label, sep, iseq_path, iseq_lineno);
success &= mjit_compile(f, child_unit->iseq, funcname, child_unit->id);
CRITICAL_SECTION_START(3, "before active_units list_for_each");
}
CRITICAL_SECTION_FINISH(3, "after active_units list_for_each");
// release blocking mjit_gc_start_hook
CRITICAL_SECTION_START(3, "after mjit_compile to wakeup client for GC");