16 lines
579 B
C
16 lines
579 B
C
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// fastlane_direct_env_box.c - Phase 19-1: FastLane Direct Path ENV Control (implementation)
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#include "fastlane_direct_env_box.h"
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#include <stdlib.h>
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#include <stdatomic.h>
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_Atomic int g_fastlane_direct_enabled = -1;
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// Refresh cached ENV flag from environment variable
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// Called during benchmark ENV reloads to pick up runtime changes
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void fastlane_direct_env_refresh_from_env(void) {
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const char* e = getenv("HAKMEM_FASTLANE_DIRECT");
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int enable = (e && *e && *e != '0') ? 1 : 0;
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atomic_store_explicit(&g_fastlane_direct_enabled, enable, memory_order_relaxed);
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}
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