/*
Copyright 2024 The Hyperlight Authors.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

#ifndef	_SETJMP_H
#define	_SETJMP_H

#ifdef __cplusplus
extern "C" {
#endif

typedef void* jmp_buf[256/sizeof(void *)];

#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1)
#define __returnstwice __attribute__((__returns_twice__))
#else
#define __returnstwice
#endif

#if __STDC_VERSION__ >= 201112L
#elif defined(__GNUC__)
#define _Noreturn __attribute__((__noreturn__))
#else
#define _Noreturn
#endif

typedef void* jmp_buf[256/sizeof(void *)];
__returnstwice int setjmp(jmp_buf buf);
_Noreturn int longjmp(jmp_buf buf, int arg);

#ifdef __cplusplus
}
#endif

#endif /* _SETJMP_H */