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Fold tcache reassociation into thread_migrate_arena helper

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This commit is contained in:
Slobodan Predolac 2026-05-08 10:01:00 -07:00
parent 54ef51121b
commit f9c84860e0
3 changed files with 24 additions and 22 deletions
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18
test/unit/arenas_management.c
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@ -86,9 +86,10 @@ TEST_BEGIN(test_arena_init_idempotent_auto) {
TEST_END
/*
* test_arena_migrate spawns one worker thread, binds it to arena1, then has
* it migrate to arena2. We verify the nthreads counters on both arenas and
* that the migrating thread's tsd_arena was re-pointed.
* test_thread_migrate_arena spawns one worker thread, binds it to arena1,
* then migrates it to arena2 via the thread-level helper. We verify the
* nthreads counters on both arenas, that the migrating thread's tsd_arena
* was re-pointed, and that its tcache (if active) was reassociated.
*/
static unsigned migrate_a1_ind;
static unsigned migrate_a2_ind;
@ -110,11 +111,16 @@ migrate_worker(void *unused) {
expect_ptr_not_null(a1, "arena1 should exist");
expect_ptr_not_null(a2, "arena2 should exist");
arena_migrate(tsd, a1, a2);
thread_migrate_arena(tsd, a1, a2);
expect_ptr_eq(
tsd_arena_get(tsd), a2, "tsd_arena was not updated to newarena");
if (tcache_available(tsd)) {
expect_ptr_eq(tsd_tcache_slowp_get(tsd)->arena, a2,
"tcache should be reassociated with newarena");
}
atomic_store_b(&migrate_done, true, ATOMIC_RELEASE);
while (!atomic_load_b(&migrate_go_exit, ATOMIC_ACQUIRE)) {
@ -123,7 +129,7 @@ migrate_worker(void *unused) {
return NULL;
}
TEST_BEGIN(test_arena_migrate) {
TEST_BEGIN(test_thread_migrate_arena) {
atomic_store_b(&migrate_done, false, ATOMIC_RELEASE);
atomic_store_b(&migrate_go_exit, false, ATOMIC_RELEASE);
@ -250,5 +256,5 @@ main(void) {
test_narenas_total_set_roundtrip, test_narenas_auto_set_roundtrip,
test_manual_arena_base_set_roundtrip, test_arena_set_roundtrip,
test_arena_init_creates_arena, test_arena_init_idempotent_auto,
test_arena_migrate, test_arena_cleanup, test_iarena_cleanup);
test_thread_migrate_arena, test_arena_cleanup, test_iarena_cleanup);
}