+/****************************************************************************
+ * Copyright 2020 Thomas E. Dickey *
+ * Copyright 1998-2003,2005 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+ * copy of this software and associated documentation files (the *
+ * "Software"), to deal in the Software without restriction, including *
+ * without limitation the rights to use, copy, modify, merge, publish, *
+ * distribute, distribute with modifications, sublicense, and/or sell *
+ * copies of the Software, and to permit persons to whom the Software is *
+ * furnished to do so, subject to the following conditions: *
+ * *
+ * The above copyright notice and this permission notice shall be included *
+ * in all copies or substantial portions of the Software. *
+ * *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
+ * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
+ * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
+ * *
+ * Except as contained in this notice, the name(s) of the above copyright *
+ * holders shall not be used in advertising or otherwise to promote the *
+ * sale, use or other dealings in this Software without prior written *
+ * authorization. *
+ ****************************************************************************/
-/***************************************************************************
-* COPYRIGHT NOTICE *
-****************************************************************************
-* ncurses is copyright (C) 1992-1995 *
-* Zeyd M. Ben-Halim *
-* zmbenhal@netcom.com *
-* Eric S. Raymond *
-* esr@snark.thyrsus.com *
-* *
-* Permission is hereby granted to reproduce and distribute ncurses *
-* by any means and for any fee, whether alone or as part of a *
-* larger distribution, in source or in binary form, PROVIDED *
-* this notice is included with any such distribution, and is not *
-* removed from any of its header files. Mention of ncurses in any *
-* applications linked with it is highly appreciated. *
-* *
-* ncurses comes AS IS with no warranty, implied or expressed. *
-* *
-***************************************************************************/
-
-
-/* This file exists to handle non-POSIX systems which don't have <unistd.h>,
+/****************************************************************************
+ * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
+ * and: Eric S. Raymond <esr@snark.thyrsus.com> *
+ ****************************************************************************/
+
+/*
+ * $Id: SigAction.h,v 1.10 2020/02/02 23:34:34 tom Exp $
+ *
+ * This file exists to handle non-POSIX systems which don't have <unistd.h>,
* and usually no sigaction() nor <termios.h>
*/
#ifndef _SIGACTION_H
#define _SIGACTION_H
-#if HAVE_LIBC_H
-#include <libc.h>
+#ifndef HAVE_SIGACTION
+#define HAVE_SIGACTION 0
+#endif
+
+#ifndef HAVE_SIGVEC
+#define HAVE_SIGVEC 0
#endif
+#if HAVE_SIGACTION
+
+#if !HAVE_TYPE_SIGACTION
+typedef struct sigaction sigaction_t;
+#endif
+
+#else /* !HAVE_SIGACTION */
+
+#if HAVE_SIGVEC
+
#undef SIG_BLOCK
#define SIG_BLOCK 00
#undef sigaddset
#define sigaddset _nc_sigaddset
-extern int sigaction (int sig, sigaction_t * sigact, sigaction_t * osigact);
-extern int sigprocmask (int how, sigset_t *mask, sigset_t *omask);
-extern int sigemptyset (sigset_t *mask);
-extern int sigsuspend (sigset_t *mask);
-extern int sigdelset (sigset_t *mask, int sig);
-extern int sigaddset (sigset_t *mask, int sig);
+/* tty/lib_tstp.c is the only user */
+#include <base/sigaction.c>
-#endif
+#endif /* HAVE_SIGVEC */
+#endif /* HAVE_SIGACTION */
+#endif /* !defined(_SIGACTION_H) */