1 files changed, 107 insertions, 0 deletions
diff --git a/ctdb/lib/tevent/tevent_util.c b/ctdb/lib/tevent/tevent_util.c
new file mode 100644
index 0000000000..16af8f3b90
--- /dev/null
+++ b/ctdb/lib/tevent/tevent_util.c
@@ -0,0 +1,107 @@
+/*
+   Unix SMB/CIFS implementation.
+
+   Copyright (C) Andrew Tridgell 2005
+   Copyright (C) Jelmer Vernooij 2005
+
+     ** NOTE! The following LGPL license applies to the tevent
+     ** library. This does NOT imply that all of Samba is released
+     ** under the LGPL
+
+   This 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 3 of the License, or (at your option) any later version.
+
+   This 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 this library; if not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "replace.h"
+#include "talloc.h"
+#include "tevent.h"
+#include "tevent_internal.h"
+#include "tevent_util.h"
+#include <fcntl.h>
+
+/**
+  return the number of elements in a string list
+*/
+size_t ev_str_list_length(const char **list)
+{
+	size_t ret;
+	for (ret=0;list && list[ret];ret++) /* noop */ ;
+	return ret;
+}
+
+/**
+  add an entry to a string list
+*/
+const char **ev_str_list_add(const char **list, const char *s)
+{
+	size_t len = ev_str_list_length(list);
+	const char **ret;
+
+	ret = talloc_realloc(NULL, list, const char *, len+2);
+	if (ret == NULL) return NULL;
+
+	ret[len] = talloc_strdup(ret, s);
+	if (ret[len] == NULL) return NULL;
+
+	ret[len+1] = NULL;
+
+	return ret;
+}
+
+
+/**
+ Set a fd into blocking/nonblocking mode. Uses POSIX O_NONBLOCK if available,
+ else
+  if SYSV use O_NDELAY
+  if BSD use FNDELAY
+**/
+
+int ev_set_blocking(int fd, bool set)
+{
+	int val;
+#ifdef O_NONBLOCK
+#define FLAG_TO_SET O_NONBLOCK
+#else
+#ifdef SYSV
+#define FLAG_TO_SET O_NDELAY
+#else /* BSD */
+#define FLAG_TO_SET FNDELAY
+#endif
+#endif
+
+	if((val = fcntl(fd, F_GETFL, 0)) == -1)
+		return -1;
+	if(set) /* Turn blocking on - ie. clear nonblock flag */
+		val &= ~FLAG_TO_SET;
+	else
+		val |= FLAG_TO_SET;
+	return fcntl( fd, F_SETFL, val);
+#undef FLAG_TO_SET
+}
+
+bool ev_set_close_on_exec(int fd)
+{
+#ifdef FD_CLOEXEC
+	int val;
+
+	val = fcntl(fd, F_GETFD, 0);
+	if (val >= 0) {
+		val |= FD_CLOEXEC;
+		val = fcntl(fd, F_SETFD, val);
+		if (val != -1) {
+			return true;
+		}
+	}
+#endif
+	return false;
+}