25 lines
1.0 KiB
C
25 lines
1.0 KiB
C
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// tiny_remote_bg.h - Background remote-drain coalescer (step API)
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#pragma once
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#include <stdatomic.h>
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#include "hakmem_tiny.h"
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#include "hakmem_tiny_remote_target.h"
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// Drain up to `budget` remote-target slabs for a class.
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// Coalesces remote queues into freelists under ownership, then advertises via Ready.
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// tiny_remote_drain_locked is defined in hakmem_tiny_remote.inc within the same TU
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static void tiny_remote_drain_locked(struct TinySlab* slab);
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static inline void tiny_remote_bg_drain_step(int class_idx, int budget) {
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if (budget <= 0) return;
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for (int n = 0; n < budget; n++) {
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TinySlab* slab = remote_target_pop(class_idx);
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if (!slab) break;
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// Drain under per-class lock (matches background loop semantics)
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pthread_mutex_t* lock = &g_tiny_class_locks[class_idx].m;
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pthread_mutex_lock(lock);
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tiny_remote_drain_locked(slab);
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pthread_mutex_unlock(lock);
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// Note: Ready ring is Superslab-specific; TinySlab path does not push Ready hints.
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}
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}
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