1 files changed, 71 insertions, 0 deletions
diff --git a/src/lib/bsdsignal.c b/src/lib/bsdsignal.c
new file mode 100644
index 00000000..3454507f
--- /dev/null
+++ b/src/lib/bsdsignal.c
@@ -0,0 +1,71 @@
+/*
+    Copyright (c) 1991-2002, The Numerical ALgorithms Group Ltd.
+    All rights reserved.
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions are
+    met:
+
+        - Redistributions of source code must retain the above copyright
+          notice, this list of conditions and the following disclaimer.
+
+        - Redistributions in binary form must reproduce the above copyright
+         notice, this list of conditions and the following disclaimer in
+          the documentation and/or other materials provided with the
+          distribution.
+
+        - Neither the name of The Numerical ALgorithms Group Ltd. nor the
+          names of its contributors may be used to endorse or promote products
+          derived from this software without specific prior written permission.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+    IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+    TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+    PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
+    OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+    EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+    PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+    LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+    NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#include "axiom-c-macros.h"
+#include "bsdsignal.h"
+
+#if defined(MACOSXplatform)
+#include "/usr/include/signal.h"
+#else
+#include <signal.h> 
+#endif
+
+#include "bsdsignal.H1"
+
+
+SignalHandlerFunc
+bsdSignal(int sig, SignalHandlerFunc action, int restartSystemCall)
+{
+#if HAVE_DECL_SIGACTION
+
+  struct sigaction in,out;
+  in.sa_handler = action;
+  /* handler is reinstalled - calls are restarted if restartSystemCall */
+#ifdef SA_RESTART
+  if(restartSystemCall) in.sa_flags = SA_RESTART;
+  else in.sa_flags = 0;
+#elif defined(SA_INTERRUPT)
+  if (restartSystemCall) in.sa_flags = 0;
+  else in.sa_flags = SA_INTERRUPT;
+#else
+  in.sa_flags = 0; 
+#endif
+  
+  return (sigaction(sig, &in, &out) ? (SignalHandlerFunc) -1 : 
+          (SignalHandlerFunc) out.sa_handler);
+#else /* !HAVE_DECL_SIGACTION */
+  return (SignalHandlerFunc) -1;
+#endif /* HAVE_DECL_SIGACTION */
+}
+
+