Fixed MTP to work with TWRP

arch/alpha/include/asm/signal.h

@@ -0,0 +1,27 @@
+#ifndef _ASMAXP_SIGNAL_H
+#define _ASMAXP_SIGNAL_H
+
+#include <uapi/asm/signal.h>
+
+/* Digital Unix defines 64 signals.  Most things should be clean enough
+   to redefine this at will, if care is taken to make libc match.  */
+
+#define _NSIG		64
+#define _NSIG_BPW	64
+#define _NSIG_WORDS	(_NSIG / _NSIG_BPW)
+
+typedef unsigned long old_sigset_t;		/* at least 32 bits */
+
+typedef struct {
+	unsigned long sig[_NSIG_WORDS];
+} sigset_t;
+
+struct osf_sigaction {
+	__sighandler_t	sa_handler;
+	old_sigset_t	sa_mask;
+	int		sa_flags;
+};
+
+#define __ARCH_HAS_KA_RESTORER
+#include <asm/sigcontext.h>
+#endif