posix_setjmp.h

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/*
 * SPDX-FileCopyrightText: Copyright The Zephyr Project Contributors
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_POSIX_POSIX_SETJMP_H_
#define ZEPHYR_INCLUDE_POSIX_POSIX_SETJMP_H_
 
#if defined(_POSIX_C_SOURCE) || defined(__DOXYGEN__)
 
#include <setjmp.h>
#include <signal.h>
 
#include <zephyr/toolchain.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
#ifndef __sigjmp_buf_defined
#define __sigjmp_buf_defined
typedef struct __sigjmp_buf {
    jmp_buf __env;
    sigset_t __mask;
    int __savemask;
} sigjmp_buf[1];
#endif
 
/* saves the signal mask for sigsetjmp() and always returns 0 (internal) */
int __sigjmp_save(struct __sigjmp_buf *env, int savemask);
 
#if defined(__DOXYGEN__)
int sigsetjmp(sigjmp_buf env, int savemask);
#else
#define sigsetjmp(env, savemask) (__sigjmp_save((env), (savemask)), setjmp((env)->__env))
#endif
 
FUNC_NORETURN void siglongjmp(sigjmp_buf env, int val);
 
#ifdef __cplusplus
}
#endif
 
#endif /* defined(_POSIX_C_SOURCE) || defined(__DOXYGEN__) */
 
#endif /* ZEPHYR_INCLUDE_POSIX_POSIX_SETJMP_H_ */