X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/118a31a3b1eb08cba14887c3134054e9b4383688..09053075225fec8a6cf7a72017a6dfc1ec6b6f0c:/src/syssignal.h
diff --git a/src/syssignal.h b/src/syssignal.h
index b536eb501b..ec6099408c 100644
--- a/src/syssignal.h
+++ b/src/syssignal.h
@@ -17,6 +17,9 @@ GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Emacs. If not, see . */
+#ifndef EMACS_SYSSIGNAL_H
+#define EMACS_SYSSIGNAL_H
+
#include
extern void init_signals (bool);
@@ -32,6 +35,12 @@ extern void unblock_tty_out_signal (sigset_t const *);
#define FORWARD_SIGNAL_TO_MAIN_THREAD
#endif
+/* On Cygwin as of 2015-06-22 SIGEV_SIGNAL is defined as an enum
+ constant but not as a macro. */
+#if defined CYGWIN && !defined SIGEV_SIGNAL
+#define SIGEV_SIGNAL SIGEV_SIGNAL
+#endif
+
#if defined HAVE_TIMER_SETTIME && defined SIGEV_SIGNAL
# define HAVE_ITIMERSPEC
#endif
@@ -66,3 +75,5 @@ char const *safe_strsignal (int) ATTRIBUTE_CONST;
#endif
void deliver_process_signal (int, signal_handler_t);
+
+#endif /* EMACS_SYSSIGNAL_H */