diff options
Diffstat (limited to 'newlib/libc/sys/linux/include/setjmp.h')
| -rw-r--r-- | newlib/libc/sys/linux/include/setjmp.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/newlib/libc/sys/linux/include/setjmp.h b/newlib/libc/sys/linux/include/setjmp.h new file mode 100644 index 000000000..04a9536ee --- /dev/null +++ b/newlib/libc/sys/linux/include/setjmp.h @@ -0,0 +1,39 @@ +/* + 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; + +void _EXFUN(longjmp,(jmp_buf __jmpb, int __retval)); +int _EXFUN(setjmp,(jmp_buf __jmpb)); +void _EXFUN(siglongjmp,(sigjmp_buf __jmpb, int __retval)); +int _EXFUN(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_ */ + |