From c5ef1e95be66c5d1b456fa8518ca3902f9efd581 Mon Sep 17 00:00:00 2001 From: Jeff Johnston Date: Mon, 8 Apr 2002 20:33:46 +0000 Subject: 2002-04-08 Jeff Johnston * libc/sys/linux/include/setjmp.h: Add sigjmp_buf type, siglongjmp prototype, and sigsetjmp macro definition. * libc/sys/linux/siglongjmp.c: New file. * libc/sys/linux/Makefile.am: Add support for siglongjmp. * libc/sys/linux/Makefile.in: Regenerated. --- newlib/libc/sys/linux/include/setjmp.h | 39 ++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 newlib/libc/sys/linux/include/setjmp.h (limited to 'newlib/libc/sys/linux/include/setjmp.h') 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 +#include /* 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_ */ + -- cgit v1.2.3