[PATCH 034/114] Add signal family function stubs for Phoenix.

[Jakub Sejdak <jakub dot sejdak at phoesys dot com>]

From: Kuba Sejdak <jakub.sejdak@phoesys.com>

---
 newlib/libc/sys/phoenix/signal.c | 69 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 newlib/libc/sys/phoenix/signal.c

diff --git a/newlib/libc/sys/phoenix/signal.c b/newlib/libc/sys/phoenix/signal.c
new file mode 100644
index 0000000..b2c95a1
--- /dev/null
+++ b/newlib/libc/sys/phoenix/signal.c
@@ -0,0 +1,69 @@
+/* Copyright (C) 2012-2016 Phoenix Systems (http://www.phoesys.com/).
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include "syscall.h"
+
+#include <errno.h>
+#include <signal.h>
+#include <sys/types.h>
+
+int kill(pid_t pid, int sig)
+{
+	int ret = syscall2(int, SYS_KILL, pid, sig);
+	if (ret < 0) {
+		errno = -ret;
+		return -1;
+	}
+
+	return ret;
+}
+
+sighandler_t signal(int signum, sighandler_t handler)
+{
+	/* TODO: implement. */
+	errno = ENOSYS;
+	return SIG_ERR;
+}
+
+int sigprocmask(int how, const sigset_t *set, sigset_t *oldset)
+{
+	/* TODO: implement. */
+	errno = ENOSYS;
+	return -1;
+}
+
+int sigaction(int signum, const struct sigaction *act, struct sigaction *oldact)
+{
+	/* TODO: implement. */
+	errno = ENOSYS;
+	return -1;
+}
+
+int sigsuspend(const sigset_t *mask)
+{
+	/* TODO: implement. */
+	errno = ENOSYS;
+	return -1;
+}
+
+int raise(int sig)
+{
+	/* TODO: implement. */
+	errno = ENOSYS;
+	return -1;
+}
-- 
2.5.0