2017-06-19 Joseph Myers <joseph@codesourcery.com>
+ [BZ #21584]
+ * signal/signal.h: Make includes of <bits/sigstack.h> and
+ <bits/ss_flags.h> conditional on [__USE_XOPEN_EXTENDED ||
+ __USE_MISC].
+ (sigaltstack): Make declaration conditional on
+ [__USE_XOPEN_EXTENDED || __USE_MISC].
+
[BZ #21575]
* resource/bits/types/struct_rusage.h: New file.
* include/bits/types/struct_rusage.h: Likewise.
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)