diff options
Diffstat (limited to 'signal/signal.h')
| -rw-r--r-- | signal/signal.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/signal/signal.h b/signal/signal.h index 23cd8efb14..8dfe849890 100644 --- a/signal/signal.h +++ b/signal/signal.h @@ -301,20 +301,22 @@ extern int sigreturn (struct sigcontext *__scp) __THROW; calls be restarted after signal SIG. */ extern int siginterrupt (int __sig, int __interrupt) __THROW; -# include <bits/sigstack.h> # include <bits/types/stack_t.h> -# include <bits/ss_flags.h> # if defined __USE_XOPEN || defined __USE_XOPEN2K8 /* This will define `ucontext_t' and `mcontext_t'. */ # include <sys/ucontext.h> # endif +#endif /* Use POSIX.1-2008 or X/Open Unix. */ + +#if defined __USE_XOPEN_EXTENDED || defined __USE_MISC +# include <bits/sigstack.h> +# include <bits/ss_flags.h> /* Alternate signal handler stack interface. This interface should always be preferred over `sigstack'. */ extern int sigaltstack (const stack_t *__restrict __ss, stack_t *__restrict __oss) __THROW; - -#endif /* Use POSIX.1-2008 or X/Open Unix. */ +#endif /* __USE_XOPEN_EXTENDED || __USE_MISC */ #if ((defined __USE_XOPEN_EXTENDED && !defined __USE_XOPEN2K8) \ || defined __USE_MISC) |