Retro68/gcc/newlib/libc/sys/linux/include/setjmp.h
Wolfgang Thaller ec13cc9ce7 fix newlib
2018-12-29 09:59:36 +01:00

42 lines
870 B
C

/*
setjmp.h
stubs for future use.
*/
#ifndef _SETJMP_H_
#ifdef __cplusplus
extern "C" {
#endif
#define _SETJMP_H_
#include "_ansi.h"
#include <machine/setjmp.h>
#include <signal.h> /* for sigset_t and sigprocmask */
typedef struct __sigjmpbuf
{
__jmp_buf __buf;
int __is_mask_saved;
sigset_t __saved_mask;
} sigjmp_buf;
typedef __jmp_buf jmp_buf;
void longjmp (jmp_buf __jmpb, int __retval);
int setjmp (jmp_buf __jmpb);
void siglongjmp (sigjmp_buf __jmpb, int __retval);
int sigsetjmp (sigjmp_buf __jmpb, int __savemask);
/* sigsetjmp is implemented as macro using setjmp */
#define sigsetjmp(__jmpb, __savemask) \
( __jmpb.__is_mask_saved = __savemask && \
(sigprocmask (SIG_BLOCK, NULL, &__jmpb.__saved_mask) == 0), \
setjmp (__jmpb.__buf) )
#ifdef __cplusplus
}
#endif
#endif /* _SETJMP_H_ */