1 files changed, 54 insertions, 0 deletions
diff --git a/drivers/interceptor/platform_kernel_mutex.h b/drivers/interceptor/platform_kernel_mutex.h
new file mode 100644
index 0000000..2e9d080
--- /dev/null
+++ b/drivers/interceptor/platform_kernel_mutex.h
@@ -0,0 +1,54 @@
+/* Netfilter Driver for IPSec VPN Client
+ *
+ * Copyright(c)   2012 Samsung Electronics
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+/*
+ * platform_kernel_mutex.h
+ *
+ * Linux interceptor specific defines for the kernel mutex API.
+ *
+ */
+
+#ifndef PLATFORM_KERNEL_MUTEX_H
+#define PLATFORM_KERNEL_MUTEX_H 1
+
+/* Sanity check to make sure that optimizations get done correcly
+   on a UP machine. The following block can be safely removed. */
+#ifndef CONFIG_SMP
+#ifdef __ASM_SPINLOCK_H
+#error "asm/spinlock.h" should not be included explicitly.
+#endif /* __ASM_SPINLOCK_H */
+#endif /* !CONFIG_SMP */
+
+#include "linux_params.h"
+#include "linux_mutex_internal.h"
+
+/* Directly map linux mutexes to macros. This causes significantly
+   less overhead in the non-preemptive UP case, where these macros
+   are empty. */
+#ifndef KERNEL_MUTEX_USE_FUNCTIONS
+
+/* This code should not be used unless DEBUG_LIGHT is disabled. */
+
+#define ssh_kernel_mutex_lock(a) spin_lock(&((a)->lock))
+#define ssh_kernel_mutex_unlock(b) spin_unlock(&((b)->lock))
+
+#else /* KERNEL_MUTEX_USE_FUNCTIONS */
+
+void ssh_kernel_mutex_lock_i(SshKernelMutex mutex);
+void ssh_kernel_mutex_unlock_i(SshKernelMutex mutex);
+
+#define ssh_kernel_mutex_lock(a) \
+  ssh_kernel_mutex_lock_i((a))
+#define ssh_kernel_mutex_unlock(a) \
+  ssh_kernel_mutex_unlock_i((a))
+
+#endif /* KERNEL_MUTEX_USE_FUNCTIONS */
+
+#endif /* PLATFORM_KERNEL_MUTEX_H */