check that the version of __sync_sub_and_fetch that returns a value is supported...

[wxWidgets.git] / src / unix / appunix.cpp

diff --git a/src/unix/appunix.cpp b/src/unix/appunix.cpp
index 691a8a544e04daab546d926dea45781f3c69228d..1c89ecf7e4f54d9a887d36cfb4d6a18aad91b49c 100644 (file)
--- a/src/unix/appunix.cpp
+++ b/src/unix/appunix.cpp
@@ -8,8 +8,17 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#include "wx/app.h"
-#include "wx/log.h"
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+    #pragma hdrstop
+#endif
+
+#ifndef WX_PRECOMP
+    #include "wx/app.h"
+    #include "wx/log.h"
+#endif
+
 #include "wx/evtloop.h"
 
 #include <signal.h>
@@ -52,15 +61,29 @@ void wxAppConsole::CheckSignal()
     }
 }
 
+// the type of the signal handlers we use is "void(*)(int)" while the real
+// signal handlers are extern "C" and so have incompatible type and at least
+// Sun CC warns about it, so use explicit casts to suppress these warnings as
+// they should be harmless
+extern "C"
+{
+    typedef void (*SignalHandler_t)(int);
+}
+
 bool wxAppConsole::SetSignalHandler(int signal, SignalHandler handler)
 {
-    const bool install = handler != SIG_DFL && handler != SIG_IGN;
+    const bool install = (SignalHandler_t)handler != SIG_DFL &&
+                         (SignalHandler_t)handler != SIG_IGN;
 
     struct sigaction sa;
     memset(&sa, 0, sizeof(sa));
-    sa.sa_handler = &wxAppConsole::HandleSignal;
-    sa.sa_flags = SA_RESTART;
-    int res = sigaction(signal, &sa, 0);
+    sa.sa_handler = (SignalHandler_t)&wxAppConsole::HandleSignal;
+#ifdef __VMS
+   sa.sa_flags = 0;
+#else
+   sa.sa_flags = SA_RESTART;
+#endif
+   int res = sigaction(signal, &sa, 0);
     if ( res != 0 )
     {
         wxLogSysError(_("Failed to install signal handler"));