/* A GNU-like <signal.h>.
- Copyright (C) 2006-2016 Free Software Foundation, Inc.
+ Copyright (C) 2006-2019 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>. */
+ along with this program. If not, see <https://www.gnu.org/licenses/>. */
#if __GNUC__ >= 3
@PRAGMA_SYSTEM_HEADER@
_GL_CXXALIAS_RPL (pthread_sigmask, int,
(int how, const sigset_t *new_mask, sigset_t *old_mask));
# else
-# if !@HAVE_PTHREAD_SIGMASK@
+# if !(@HAVE_PTHREAD_SIGMASK@ || defined pthread_sigmask)
_GL_FUNCDECL_SYS (pthread_sigmask, int,
(int how, const sigset_t *new_mask, sigset_t *old_mask));
# endif
_GL_CXXALIAS_SYS (pthread_sigmask, int,
(int how, const sigset_t *new_mask, sigset_t *old_mask));
# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (pthread_sigmask);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef pthread_sigmask
# if HAVE_RAW_DECL_PTHREAD_SIGMASK
# endif
_GL_CXXALIAS_SYS (raise, int, (int sig));
# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (raise);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef raise
/* Assume raise is always declared. */
/* When also using extern inline, suppress the use of static inline in
standard headers of problematic Apple configurations, as Libc at
least through Libc-825.26 (2013-04-09) mishandles it; see, e.g.,
- <http://lists.gnu.org/archive/html/bug-gnulib/2012-12/msg00023.html>.
+ <https://lists.gnu.org/r/bug-gnulib/2012-12/msg00023.html>.
Perhaps Apple will fix this some day. */
#if (defined _GL_EXTERN_INLINE_IN_USE && defined __APPLE__ \
&& (defined __i386__ || defined __x86_64__))
_GL_CXXALIAS_RPL (signal, _gl_function_taking_int_returning_void_t,
(int sig, _gl_function_taking_int_returning_void_t func));
# else
+/* On OpenBSD, the declaration of 'signal' may not be present at this point,
+ because it occurs in <sys/signal.h>, not <signal.h> directly. */
+# if defined __OpenBSD__
+_GL_FUNCDECL_SYS (signal, _gl_function_taking_int_returning_void_t,
+ (int sig, _gl_function_taking_int_returning_void_t func));
+# endif
_GL_CXXALIAS_SYS (signal, _gl_function_taking_int_returning_void_t,
(int sig, _gl_function_taking_int_returning_void_t func));
# endif
+# if __GLIBC__ >= 2
_GL_CXXALIASWARN (signal);
+# endif
# if !@HAVE_POSIX_SIGNALBLOCKING@ && GNULIB_defined_SIGPIPE
/* Raise signal SIGPIPE. */