51 lines
1.7 KiB
C
51 lines
1.7 KiB
C
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// link_missing_stubs.c
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// Weak fallback definitions for optional diagnostics that may be compiled out
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// in certain build configurations. These ensure linking succeeds even when
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// the corresponding feature boxes are not included.
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#include <stdatomic.h>
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#include <stdint.h>
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// Minimal forward declarations to avoid pulling full tracing headers
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typedef int ptr_trace_event_t;
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typedef struct SlabRecyclingStats {
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uint64_t recycle_attempts;
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uint64_t recycle_success;
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uint64_t recycle_skip_not_empty;
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uint64_t recycle_skip_no_cap;
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uint64_t recycle_skip_null;
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} SlabRecyclingStats;
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// lock_stats_box.h が存在しないビルド構成向けに前方宣言だけ置く
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void lock_stats_init(void);
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// Ptr trace counters (used by tls_sll)
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_Atomic uint64_t g_ptr_trace_op_counter __attribute__((weak)) = 0;
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void ptr_trace_record_impl(ptr_trace_event_t event, void* ptr, int class_idx, uint64_t op_num,
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void* aux_ptr, uint32_t aux_u32, int aux_int,
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const char* file, int line)
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__attribute__((weak));
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void ptr_trace_record_impl(ptr_trace_event_t event, void* ptr, int class_idx, uint64_t op_num,
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void* aux_ptr, uint32_t aux_u32, int aux_int,
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const char* file, int line)
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{
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(void)event;
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(void)ptr;
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(void)class_idx;
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(void)op_num;
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(void)aux_ptr;
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(void)aux_u32;
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(void)aux_int;
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(void)file;
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(void)line;
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}
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// Slab recycling stats (used in TLS drain instrumentation)
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__thread SlabRecyclingStats g_slab_recycle_stats __attribute__((weak)) = {0};
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// Lock stats init (contention metrics)
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void lock_stats_init(void) __attribute__((weak));
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void lock_stats_init(void) {}
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