X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/a64bfdfa5a90731b804c057f2bcc74a8ba02937c..9f1786e4165aba30ddb16116c5557a0531233008:/lib/signal.in.h

diff --git a/lib/signal.in.h b/lib/signal.in.h
index e18e0b2983..ab0a049f8b 100644
--- a/lib/signal.in.h
+++ b/lib/signal.in.h
@@ -1,6 +1,6 @@
 /* A GNU-like <signal.h>.
 
-   Copyright (C) 2006-2011 Free Software Foundation, Inc.
+   Copyright (C) 2006-2016 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
@@ -55,11 +55,13 @@
 #ifndef _@GUARD_PREFIX@_SIGNAL_H
 #define _@GUARD_PREFIX@_SIGNAL_H
 
-/* MacOS X 10.3, FreeBSD 6.4, OpenBSD 3.8, OSF/1 4.0, Solaris 2.6 declare
-   pthread_sigmask in <pthread.h>, not in <signal.h>.
+/* Mac OS X 10.3, FreeBSD 6.4, OpenBSD 3.8, OSF/1 4.0, Solaris 2.6, Android
+   declare pthread_sigmask in <pthread.h>, not in <signal.h>.
    But avoid namespace pollution on glibc systems.*/
 #if (@GNULIB_PTHREAD_SIGMASK@ || defined GNULIB_POSIXCHECK) \
-    && ((defined __APPLE__ && defined __MACH__) || defined __FreeBSD__ || defined __OpenBSD__ || defined __osf__ || defined __sun) \
+    && ((defined __APPLE__ && defined __MACH__) \
+        || defined __FreeBSD__ || defined __OpenBSD__ || defined __osf__ \
+        || defined __sun || defined __ANDROID__) \
     && ! defined __GLIBC__
 # include <pthread.h>
 #endif
@@ -195,9 +197,23 @@ typedef int verify_NSIG_constraint[NSIG <= 32 ? 1 : -1];
 
 # endif
 
+/* 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>.
+   Perhaps Apple will fix this some day.  */
+#if (defined _GL_EXTERN_INLINE_IN_USE && defined __APPLE__ \
+     && (defined __i386__ || defined __x86_64__))
+# undef sigaddset
+# undef sigdelset
+# undef sigemptyset
+# undef sigfillset
+# undef sigismember
+#endif
+
 /* Test whether a given signal is contained in a signal set.  */
 # if @HAVE_POSIX_SIGNALBLOCKING@
-/* This function is defined as a macro on MacOS X.  */
+/* This function is defined as a macro on Mac OS X.  */
 #  if defined __cplusplus && defined GNULIB_NAMESPACE
 #   undef sigismember
 #  endif
@@ -210,7 +226,7 @@ _GL_CXXALIASWARN (sigismember);
 
 /* Initialize a signal set to the empty set.  */
 # if @HAVE_POSIX_SIGNALBLOCKING@
-/* This function is defined as a macro on MacOS X.  */
+/* This function is defined as a macro on Mac OS X.  */
 #  if defined __cplusplus && defined GNULIB_NAMESPACE
 #   undef sigemptyset
 #  endif
@@ -222,7 +238,7 @@ _GL_CXXALIASWARN (sigemptyset);
 
 /* Add a signal to a signal set.  */
 # if @HAVE_POSIX_SIGNALBLOCKING@
-/* This function is defined as a macro on MacOS X.  */
+/* This function is defined as a macro on Mac OS X.  */
 #  if defined __cplusplus && defined GNULIB_NAMESPACE
 #   undef sigaddset
 #  endif
@@ -235,7 +251,7 @@ _GL_CXXALIASWARN (sigaddset);
 
 /* Remove a signal from a signal set.  */
 # if @HAVE_POSIX_SIGNALBLOCKING@
-/* This function is defined as a macro on MacOS X.  */
+/* This function is defined as a macro on Mac OS X.  */
 #  if defined __cplusplus && defined GNULIB_NAMESPACE
 #   undef sigdelset
 #  endif
@@ -248,7 +264,7 @@ _GL_CXXALIASWARN (sigdelset);
 
 /* Fill a signal set with all possible signals.  */
 # if @HAVE_POSIX_SIGNALBLOCKING@
-/* This function is defined as a macro on MacOS X.  */
+/* This function is defined as a macro on Mac OS X.  */
 #  if defined __cplusplus && defined GNULIB_NAMESPACE
 #   undef sigfillset
 #  endif