raise: Support for MSVC.

* lib/signal.in.h (raise): New declaration.
* lib/raise.c (raise_nothrow, rpl_raise): New alternate implementation
for native Windows platforms.
* m4/raise.m4: New file.
* m4/signal_h.m4 (gl_SIGNAL_H_DEFAULTS): Initialize GNULIB_RAISE,
HAVE_RAISE, REPLACE_RAISE.
* modules/signal (Makefile.am): Substitute GNULIB_RAISE, HAVE_RAISE,
REPLACE_RAISE.
* modules/raise (Status, Notice): Remove fields.
(Files): Add m4/raise.m4.
(Depends-on): Add signal, msvc-inval.
(configure.ac): Use the common idioms.
(Maintainer): Add me.
* tests/test-signal-c++.cc: Check the signature of raise.
* doc/posix-functions/raise.texi: Mention the problem on MSVC.

1 files changed, 46 insertions, 3 deletions

diff --git a/lib/raise.c b/lib/raise.c
index 88b8cb2ba2..980c9fd488 100644
--- a/lib/raise.c
+++ b/lib/raise.c
@@ -15,16 +15,59 @@
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
-/* written by Jim Meyering */
+/* written by Jim Meyering and Bruno Haible */
 
 #include <config.h>
 
-#include <sys/types.h>
+/* Specification.  */
 #include <signal.h>
-#include <unistd.h>
+
+#if HAVE_RAISE
+/* Native Windows platform.  */
+
+# include <errno.h>
+
+# include "msvc-inval.h"
+
+# undef raise
+
+# if HAVE_MSVC_INVALID_PARAMETER_HANDLER
+static inline int
+raise_nothrow (int sig)
+{
+  int result;
+
+  TRY_MSVC_INVAL
+    {
+      result = raise (sig);
+    }
+  CATCH_MSVC_INVAL
+    {
+      result = -1;
+      errno = EINVAL;
+    }
+  DONE_MSVC_INVAL;
+
+  return result;
+}
+#  define raise raise_nothrow
+# endif
+
+int
+rpl_raise (int sig)
+{
+  return raise_nothrow (sig);
+}
+
+#else
+/* An old Unix platform.  */
+
+# include <unistd.h>
 
 int
 raise (int sig)
 {
   return kill (getpid (), sig);
 }
+
+#endif