26 lines
806 B
C
26 lines
806 B
C
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// wrapper_env_box.h - Environment variable cache for malloc/free wrappers
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// Eliminates getenv() calls from malloc/free hot paths
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#pragma once
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#include <stdatomic.h>
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typedef struct {
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int inited;
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int step_trace; // HAKMEM_STEP_TRACE (default: 0)
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int ld_safe_mode; // HAKMEM_LD_SAFE (default: 1)
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int free_wrap_trace; // HAKMEM_FREE_WRAP_TRACE (default: 0)
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} wrapper_env_cfg_t;
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extern wrapper_env_cfg_t g_wrapper_env;
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void wrapper_env_init_once(void);
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static inline const wrapper_env_cfg_t* wrapper_env_cfg(void) {
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// Constructor ensures init at library load time
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// This check prevents repeated initialization in multi-threaded context
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if (__builtin_expect(!g_wrapper_env.inited, 0)) {
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wrapper_env_init_once();
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}
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return &g_wrapper_env;
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}
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