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-rw-r--r--signal/signal.h21
1 files changed, 14 insertions, 7 deletions
diff --git a/signal/signal.h b/signal/signal.h
index a51e912d083..947873ea8ec 100644
--- a/signal/signal.h
+++ b/signal/signal.h
@@ -297,7 +297,6 @@ extern int sigreturn (struct sigcontext *__scp) __THROW;
extern int siginterrupt (int __sig, int __interrupt) __THROW;
# include <bits/sigstack.h>
-# include <bits/types/struct_sigstack.h>
# include <bits/types/stack_t.h>
# include <bits/ss_flags.h>
# if defined __USE_XOPEN || defined __USE_XOPEN2K8
@@ -305,12 +304,6 @@ extern int siginterrupt (int __sig, int __interrupt) __THROW;
# include <sys/ucontext.h>
# endif
-/* Run signals handlers on the stack specified by SS (if not NULL).
- If OSS is not NULL, it is filled in with the old signal stack status.
- This interface is obsolete and on many platform not implemented. */
-extern int sigstack (struct sigstack *__ss, struct sigstack *__oss)
- __THROW __attribute_deprecated__;
-
/* Alternate signal handler stack interface.
This interface should always be preferred over `sigstack'. */
extern int sigaltstack (const struct sigaltstack *__restrict __ss,
@@ -318,6 +311,20 @@ extern int sigaltstack (const struct sigaltstack *__restrict __ss,
#endif /* Use POSIX.1-2008 or X/Open Unix. */
+#if ((defined __USE_XOPEN_EXTENDED && !defined __USE_XOPEN2K8) \
+ || defined __USE_MISC)
+# include <bits/types/struct_sigstack.h>
+#endif
+
+#if ((defined __USE_XOPEN_EXTENDED && !defined __USE_XOPEN2K) \
+ || defined __USE_MISC)
+/* Run signals handlers on the stack specified by SS (if not NULL).
+ If OSS is not NULL, it is filled in with the old signal stack status.
+ This interface is obsolete and on many platform not implemented. */
+extern int sigstack (struct sigstack *__ss, struct sigstack *__oss)
+ __THROW __attribute_deprecated__;
+#endif
+
#ifdef __USE_XOPEN_EXTENDED
/* Simplified interface for signal management. */