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| author | Jeff Johnston <jjohnstn@redhat.com> | 2002-04-08 20:33:46 +0000 |
|---|---|---|
| committer | Jeff Johnston <jjohnstn@redhat.com> | 2002-04-08 20:33:46 +0000 |
| commit | c5ef1e95be66c5d1b456fa8518ca3902f9efd581 (patch) | |
| tree | 4ef29d3868b2e45975955479c03a0b5db627d1f4 /newlib/libc/sys/linux/include | |
| parent | 175c5e4c4ddae8d6882ecd6932d40ff58fa915bd (diff) | |
| download | cygnal-c5ef1e95be66c5d1b456fa8518ca3902f9efd581.tar.gz cygnal-c5ef1e95be66c5d1b456fa8518ca3902f9efd581.tar.bz2 cygnal-c5ef1e95be66c5d1b456fa8518ca3902f9efd581.zip | |
2002-04-08 Jeff Johnston <jjohnstn@redhat.com>
* 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.
Diffstat (limited to 'newlib/libc/sys/linux/include')
| -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_ */ + |