35 lines
1.3 KiB
C
35 lines
1.3 KiB
C
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// tiny_publish.c - Publish aggregator box
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#include "hakmem_tiny.h"
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#include "tiny_mailbox.h"
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#include "tiny_publish.h"
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#include "hakmem_tiny_stats_api.h"
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#include "tiny_debug_ring.h"
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#include <stdio.h>
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#include <stdlib.h>
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// externs from main TU
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// bench/hot handling remains in core if needed; mailbox publish is always safe
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void tiny_publish_notify(int class_idx, SuperSlab* ss, int slab_idx) {
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if (__builtin_expect(class_idx < 0 || class_idx >= TINY_NUM_CLASSES, 0)) {
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tiny_debug_ring_record(TINY_RING_EVENT_SUPERSLAB_ADOPT_FAIL, (uint16_t)0xEEu, ss, (uintptr_t)class_idx);
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return;
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}
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g_pub_notify_calls[class_idx]++;
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tiny_debug_ring_record(TINY_RING_EVENT_SUPERSLAB_PUBLISH, (uint16_t)class_idx, ss, (uintptr_t)slab_idx);
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// One-shot visibility trace (env: HAKMEM_TINY_RF_TRACE)
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static int trace_en = -1;
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if (__builtin_expect(trace_en == -1, 0)) {
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const char* e = getenv("HAKMEM_TINY_RF_TRACE");
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trace_en = (e && atoi(e) != 0) ? 1 : 0;
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}
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if (trace_en) {
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static _Atomic int printed[8];
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int expected = 0;
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if (atomic_compare_exchange_strong(&printed[class_idx], &expected, 1)) {
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fprintf(stderr, "[PUBTRACE] notify class=%d ss=%p slab=%d\n", class_idx, (void*)ss, slab_idx);
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}
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}
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tiny_mailbox_publish(class_idx, ss, slab_idx);
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}
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