#ifndef _SETJMP_H #define _SETJMP_H #ifdef __cplusplus extern "C" { #endif #include #include typedef struct __jmp_buf_tag { __jmp_buf __jb; unsigned long __fl; unsigned long __ss[128/sizeof(long)]; } jmp_buf[1]; #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1) #define __setjmp_attr __attribute__((__returns_twice__)) #else #define __setjmp_attr #endif #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \ || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \ || defined(_BSD_SOURCE) typedef jmp_buf sigjmp_buf; int sigsetjmp (sigjmp_buf, int) __setjmp_attr; _Noreturn void siglongjmp (sigjmp_buf, int); #endif #if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \ || defined(_BSD_SOURCE) int _setjmp (jmp_buf) __setjmp_attr; _Noreturn void _longjmp (jmp_buf, int); #endif int setjmp (jmp_buf) __setjmp_attr; _Noreturn void longjmp (jmp_buf, int); #define setjmp setjmp #undef __setjmp_attr #ifdef __cplusplus } #endif #endif