1 files changed, 132 insertions, 0 deletions
diff --git a/openbsd-compat/sigact.c b/openbsd-compat/sigact.c
new file mode 100644
index 0000000..d67845c
--- /dev/null
+++ b/openbsd-compat/sigact.c
@@ -0,0 +1,132 @@
+/*	$OpenBSD: sigaction.c,v 1.4 2001/01/22 18:01:48 millert Exp $	*/
+
+/****************************************************************************
+ * Copyright (c) 1998,2000 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.                                                           *
+ ****************************************************************************/
+
+/****************************************************************************
+ *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
+ *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
+ ****************************************************************************/
+
+/* OPENBSD ORIGINAL: lib/libcurses/base/sigaction.c */
+
+#include "includes.h"
+#include <errno.h>
+#include <signal.h>
+#include "sigact.h"
+
+/* This file provides sigaction() emulation using sigvec() */
+/* Use only if this is non POSIX system */
+
+#if !HAVE_SIGACTION && HAVE_SIGVEC
+
+int
+sigaction(int sig, struct sigaction *sigact, struct sigaction *osigact)
+{
+	return sigvec(sig, sigact ? &sigact->sv : NULL,
+	    osigact ? &osigact->sv : NULL);
+}
+
+int
+sigemptyset (sigset_t *mask)
+{
+	if (!mask) {
+		errno = EINVAL;
+		return -1;
+	}
+	*mask = 0;
+	return 0;
+}
+
+int
+sigprocmask (int mode, sigset_t *mask, sigset_t *omask)
+{
+	sigset_t current = sigsetmask(0);
+
+	if (!mask) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	if (omask)
+		*omask = current;
+
+	if (mode == SIG_BLOCK)
+		current |= *mask;
+	else if (mode == SIG_UNBLOCK)
+		current &= ~*mask;
+	else if (mode == SIG_SETMASK)
+	current = *mask;
+
+	sigsetmask(current);
+	return 0;
+}
+
+int
+sigsuspend (sigset_t *mask)
+{
+	if (!mask) {
+		errno = EINVAL;
+		return -1;
+	}
+	return sigpause(*mask);
+}
+
+int
+sigdelset (sigset_t *mask, int sig)
+{
+	if (!mask) {
+		errno = EINVAL;
+		return -1;
+	}
+	*mask &= ~sigmask(sig);
+	return 0;
+}
+
+int
+sigaddset (sigset_t *mask, int sig)
+{
+	if (!mask) {
+		errno = EINVAL;
+		return -1;
+	}
+	*mask |= sigmask(sig);
+	return 0;
+}
+
+int
+sigismember (sigset_t *mask, int sig)
+{
+	if (!mask) {
+		errno = EINVAL;
+		return -1;
+	}
+	return (*mask & sigmask(sig)) != 0;
+}
+
+#endif