1 files changed, 90 insertions, 0 deletions
diff --git a/src/lxc/execute.c b/src/lxc/execute.c
new file mode 100644
index 0000000..43210e2
--- /dev/null
+++ b/src/lxc/execute.c
@@ -0,0 +1,90 @@
+/*
+ * lxc: linux Container library
+ *
+ * (C) Copyright IBM Corp. 2007, 2008
+ *
+ * Authors:
+ * Daniel Lezcano <dlezcano at fr.ibm.com>
+ *
+ * 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 2.1 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <errno.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+#include "log.h"
+#include "start.h"
+
+lxc_log_define(lxc_execute, lxc_start);
+
+struct execute_args {
+	char *const *argv;
+	int quiet;
+};
+
+static int execute_start(struct lxc_handler *handler, void* data)
+{
+	int j, i = 0;
+	struct execute_args *my_args = data;
+	char **argv;
+	int argc = 0;
+
+	while (my_args->argv[argc++]);
+
+	argv = malloc((argc + my_args->quiet ? 5 : 4) * sizeof(*argv));
+	if (!argv)
+		return 1;
+
+	argv[i++] = LXCINITDIR "/lxc-init";
+	if (my_args->quiet)
+		argv[i++] = "--quiet";
+	argv[i++] = "--";
+	for (j = 0; j < argc; j++)
+		argv[i++] = my_args->argv[j];
+	argv[i++] = NULL;
+
+	NOTICE("exec'ing '%s'", my_args->argv[0]);
+
+	execvp(argv[0], argv);
+	SYSERROR("failed to exec %s", argv[0]);
+	return 1;
+}
+
+static int execute_post_start(struct lxc_handler *handler, void* data)
+{
+	struct execute_args *my_args = data;
+	NOTICE("'%s' started with pid '%d'", my_args->argv[0], handler->pid);
+	return 0;
+}
+
+static struct lxc_operations execute_start_ops = {
+	.start = execute_start,
+	.post_start = execute_post_start
+};
+
+int lxc_execute(const char *name, char *const argv[], int quiet,
+		struct lxc_conf *conf)
+{
+	struct execute_args args = {
+		.argv = argv,
+		.quiet = quiet
+	};
+
+	if (lxc_check_inherited(-1))
+		return -1;
+
+	return __lxc_start(name, conf, &execute_start_ops, &args);
+}