Port FFS tools over from Building Block repository.

1 files changed, 72 insertions, 0 deletions

diff --git a/clib/signal.h b/clib/signal.h
new file mode 100644
index 0000000..7c7be18
--- /dev/null
+++ b/clib/signal.h
@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) International Business Machines Corp., 2014
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+/*
+ *   File: signal.h
+ * Author: Shaun Wetzstein <shaun@us.ibm.com>
+ *  Descr: File descriptor activity callback signaler
+ *   Note:
+ *   Date: 10/03/10
+ */
+
+#ifndef __SIGNAL_H__
+#define __SIGNAL_H__
+
+#include <stdint.h>
+#include <stdbool.h>
+
+#include <sys/epoll.h>
+#include <sys/signalfd.h>
+
+#include "attribute.h"
+#include "builtin.h"
+#include "assert.h"
+
+#include "tree.h"
+#include "array.h"
+
+/* ======================================================================= */
+
+typedef struct signal signal_t;
+typedef struct signalfd_siginfo signal_event_t;
+
+struct signal {
+	int fd;
+
+	sigset_t mask;
+	int flags;
+};
+
+/* ======================================================================= */
+
+extern void signal_init(signal_t * self) __nonnull((1));
+extern void signal_delete(signal_t * self) __nonnull((1));
+
+extern int signal_fileno(signal_t * self) __nonnull((1));
+
+extern int signal_setmask(signal_t * self, const sigset_t mask) __nonnull((1));
+
+#if 0
+#define signalfd_wait(...) STRCAT(signalfd_wait, NARGS(__VA_ARGS__))(__VA_ARGS__)
+extern void signal_wait1(signal_t *) __nonnull((1));
+extern void signal_wait2(_sisignal_tgnal *, int) __nonnull((1));
+#endif
+
+/* ======================================================================= */
+
+#endif				/* __SIGNAL_H__ */