add files for 2006-08-31T02:04:12Z

diff --git a/src/osdep/unix/sig_psx.c b/src/osdep/unix/sig_psx.c
new file mode 100644 (file)
index 0000000..0d592c3
--- /dev/null
+++ b/src/osdep/unix/sig_psx.c
@@ -0,0 +1,51 @@
+/* ========================================================================
+ * Copyright 1988-2006 University of Washington
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * 
+ * ========================================================================
+ */
+
+/*
+ * Program:    POSIX Signals
+ *
+ * Author:     Mark Crispin
+ *             Networks and Distributed Computing
+ *             Computing & Communications
+ *             University of Washington
+ *             Administration Building, AG-44
+ *             Seattle, WA  98195
+ *             Internet: MRC@CAC.Washington.EDU
+ *
+ * Date:       29 April 1997
+ * Last Edited:        30 August 2006
+ */
+\f 
+#include <signal.h>
+#include <string.h>
+
+#ifndef SA_RESTART
+#define SA_RESTART 0
+#endif
+
+/* Arm a signal
+ * Accepts: signal number
+ *         desired action
+ * Returns: old action
+ */
+
+void *arm_signal (int sig,void *action)
+{
+  struct sigaction nact,oact;
+  memset (&nact,0,sizeof (struct sigaction));
+  sigemptyset (&nact.sa_mask); /* no signals blocked */
+  nact.sa_handler = action;    /* set signal handler */
+  nact.sa_flags = SA_RESTART;  /* needed on Linux, nice on SVR4 */
+  sigaction (sig,&nact,&oact); /* do the signal action */
+  return (void *) oact.sa_handler;
+}