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#if defined(LIBCO_C)
/*[amd64, arm, ppc, x86]:
by default, co_swap_function is marked as a text (code) section
if not supported, uncomment the below line to use mprotect instead */
/* #define LIBCO_MPROTECT */
/*[amd64]:
Win64 only: provides a substantial speed-up, but will thrash XMM regs
do not use this unless you are certain your application won't use SSE */
/* #define LIBCO_NO_SSE */
#if defined(LIBCO_C)
#if defined(LIBCO_MP)
#define thread_local __thread
#else
#define thread_local
#endif
#endif
#if __STDC_VERSION__ >= 201112L
#if !defined(_MSC_VER)
#include <stdalign.h>
#endif
#else
#define alignas(bytes)
#endif
#if defined(_MSC_VER)
#define section(name) __declspec(allocate("." #name))
#elif defined(__APPLE__)
#define section(name) __attribute__((section("__TEXT,__" #name)))
#else
#define section(name) __attribute__((section("." #name "#")))
#endif
/* if defined(LIBCO_C) */
#endif
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