1#ifndef _UCONTEXT_H 2#define _UCONTEXT_H 3#ifdef __cplusplus 4extern "C" { 5#endif 6 7#include <features.h> 8 9#include <signal.h> 10 11#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) 12#define NGREG (sizeof(gregset_t)/sizeof(greg_t)) 13#endif 14 15struct __ucontext; 16 17#ifdef __cplusplus 18} 19#endif 20#endif 21