ceill: Provide function definition on MSVC.

[gnulib.git] / lib / sys_select.in.h

diff --git a/lib/sys_select.in.h b/lib/sys_select.in.h
index 5311f43..dacb37b 100644 (file)
--- a/lib/sys_select.in.h
+++ b/lib/sys_select.in.h
@@ -12,8 +12,7 @@
    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, write to the Free Software Foundation,
-   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+   along with this program; if not, see <http://www.gnu.org/licenses/>.  */
 
 # if __GNUC__ >= 3
 @PRAGMA_SYSTEM_HEADER@
@@ -42,6 +41,15 @@
 # define _GL_SYS_SELECT_H_REDIRECT_FROM_SYS_BSD_TYPES_H
 # @INCLUDE_NEXT@ @NEXT_SYS_SELECT_H@
 
+/* On OpenBSD 5.0, <pthread.h> includes <sys/types.h>, which includes
+   <sys/select.h>.  At this point we cannot include <signal.h>, because that
+   includes gnulib's pthread.h override, which gives a syntax error because
+   /usr/include/pthread.h has not been completely processed.  Simply delegate
+   to the system's header in this case.  */
+#elif @HAVE_SYS_SELECT_H@ && defined __OpenBSD__ && (defined _PTHREAD_H_ && !defined PTHREAD_MUTEX_INITIALIZER)
+
+# @INCLUDE_NEXT@ @NEXT_SYS_SELECT_H@
+
 #else
 
 #ifndef _@GUARD_PREFIX@_SYS_SELECT_H
@@ -51,12 +59,6 @@
    in <signal.h> where it belongs.  */
 #include <sys/types.h>
 
-/* Get definition of 'sigset_t'.
-   But avoid namespace pollution on glibc systems.  */
-#if !(defined __GLIBC__ && !defined __UCLIBC__)
-# include <signal.h>
-#endif
-
 #if @HAVE_SYS_SELECT_H@
 
 /* On OSF/1 4.0, <sys/select.h> provides only a forward declaration
@@ -81,6 +83,14 @@
 
 #endif
 
+/* Get definition of 'sigset_t'.
+   But avoid namespace pollution on glibc systems.
+   Do this after the include_next (for the sake of OpenBSD 5.0) but before
+   the split double-inclusion guard (for the sake of Solaris).  */
+#if !(defined __GLIBC__ && !defined __UCLIBC__)
+# include <signal.h>
+#endif
+
 #ifndef _@GUARD_PREFIX@_SYS_SELECT_H
 #define _@GUARD_PREFIX@_SYS_SELECT_H