Merge remote-tracking branch 'origin/stable/10' into devel

1 files changed, 93 insertions, 0 deletions

diff --git a/sys/compat/linux/linux_common.c b/sys/compat/linux/linux_common.c
new file mode 100644
index 0000000..b9e3531
--- /dev/null
+++ b/sys/compat/linux/linux_common.c
@@ -0,0 +1,93 @@
+/*-
+ * Copyright (c) 2014 Vassilis Laganakos
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/exec.h>
+#include <sys/imgact.h>
+#include <sys/imgact_elf.h>
+#include <sys/kernel.h>
+#include <sys/malloc.h>
+#include <sys/eventhandler.h>
+#include <sys/sysctl.h>
+
+#include <compat/linux/linux_emul.h>
+#include <compat/linux/linux_mib.h>
+#include <compat/linux/linux_util.h>
+
+FEATURE(linuxulator_v4l, "V4L ioctl wrapper support in the linuxulator");
+FEATURE(linuxulator_v4l2, "V4L2 ioctl wrapper support in the linuxulator");
+
+MODULE_VERSION(linux_common, 1);
+
+SET_DECLARE(linux_device_handler_set, struct linux_device_handler);
+
+static eventhandler_tag linux_exec_tag;
+static eventhandler_tag linux_thread_dtor_tag;
+static eventhandler_tag	linux_exit_tag;
+
+
+static int
+linux_common_modevent(module_t mod, int type, void *data)
+{
+	struct linux_device_handler **ldhp;
+
+	switch(type) {
+	case MOD_LOAD:
+		linux_osd_jail_register();
+		linux_exit_tag = EVENTHANDLER_REGISTER(process_exit,
+		    linux_proc_exit, NULL, 1000);
+		linux_exec_tag = EVENTHANDLER_REGISTER(process_exec,
+		    linux_proc_exec, NULL, 1000);
+		linux_thread_dtor_tag = EVENTHANDLER_REGISTER(thread_dtor,
+		    linux_thread_dtor, NULL, EVENTHANDLER_PRI_ANY);
+		SET_FOREACH(ldhp, linux_device_handler_set)
+			linux_device_register_handler(*ldhp);
+		break;
+	case MOD_UNLOAD:
+		linux_osd_jail_deregister();
+		SET_FOREACH(ldhp, linux_device_handler_set)
+			linux_device_unregister_handler(*ldhp);
+		EVENTHANDLER_DEREGISTER(process_exit, linux_exit_tag);
+		EVENTHANDLER_DEREGISTER(process_exec, linux_exec_tag);
+		EVENTHANDLER_DEREGISTER(thread_dtor, linux_thread_dtor_tag);
+		break;
+	default:
+		return (EOPNOTSUPP);
+	}
+	return (0);
+}
+
+static moduledata_t linux_common_mod = {
+	"linuxcommon",
+	linux_common_modevent,
+	0
+};
+
+DECLARE_MODULE(linuxcommon, linux_common_mod, SI_SUB_EXEC, SI_ORDER_ANY);