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diff --git a/src/type3_AndroidCloud/anbox-master/external/process-cpp-minimal/include/core/posix/signal.h b/src/type3_AndroidCloud/anbox-master/external/process-cpp-minimal/include/core/posix/signal.h
new file mode 100644
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--- /dev/null
+++ b/src/type3_AndroidCloud/anbox-master/external/process-cpp-minimal/include/core/posix/signal.h
@@ -0,0 +1,117 @@
+/*
+ * Copyright © 2013 Canonical Ltd.
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License version 3,
+ * as published by the Free Software Foundation.
+ *
+ * This program 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 program. If not, see .
+ *
+ * Authored by: Thomas VoÃ
+ */
+
+#ifndef CORE_POSIX_SIGNAL_H_
+#define CORE_POSIX_SIGNAL_H_
+
+#include
+
+#include
+
+#include
+
+#include
+#include
+
+namespace core
+{
+namespace posix
+{
+/**
+ * @brief The Signal enum collects the most common POSIX signals.
+ */
+enum class Signal
+{
+ unknown = 0,
+ sig_hup = SIGHUP,
+ sig_int = SIGINT,
+ sig_quit = SIGQUIT,
+ sig_ill = SIGILL,
+ sig_abrt = SIGABRT,
+ sig_fpe = SIGFPE,
+ sig_kill = SIGKILL,
+ sig_segv = SIGSEGV,
+ sig_pipe = SIGPIPE,
+ sig_alrm = SIGALRM,
+ sig_term = SIGTERM,
+ sig_usr1 = SIGUSR1,
+ sig_usr2 = SIGUSR2,
+ sig_chld = SIGCHLD,
+ sig_cont = SIGCONT,
+ sig_stop = SIGSTOP,
+ sig_tstp = SIGTSTP,
+ sig_ttin = SIGTTIN,
+ sig_ttou = SIGTTOU
+};
+
+/**
+ * @brief The SignalTrap class encapsulates functionality to trap and handle signals.
+ */
+class CORE_POSIX_DLL_PUBLIC SignalTrap
+{
+public:
+ SignalTrap(const SignalTrap&) = delete;
+ virtual ~SignalTrap() = default;
+
+ SignalTrap& operator=(const SignalTrap&) = delete;
+ bool operator==(const SignalTrap&) const = delete;
+
+ /**
+ * @brief Returns true if the given signal is trapped by this instance.
+ */
+ virtual bool has(Signal signal) = 0;
+
+ /**
+ * @brief Starts observation of incoming signals, relaying them via
+ * signal_raised(). The call blocks until stop is called.
+ */
+ virtual void run() = 0;
+
+ /**
+ * @brief Stops execution of the signal trap.
+ */
+ virtual void stop() = 0;
+
+ /**
+ * @brief Emitted whenever a trapped signal is raised by the operating system.
+ */
+ virtual core::Signal& signal_raised() = 0;
+
+protected:
+ SignalTrap() = default;
+};
+
+/**
+ * @brief Traps the specified signals for the entire process.
+ */
+CORE_POSIX_DLL_PUBLIC
+std::shared_ptr trap_signals_for_process(
+ std::initializer_list blocked_signals);
+
+/**
+ * @brief Traps the specified signals for the current thread, and inherits
+ * the respective signal mask to all child-threads.
+ */
+CORE_POSIX_DLL_PUBLIC
+std::shared_ptr trap_signals_for_all_subsequent_threads(
+ std::initializer_list blocked_signals);
+
+}
+}
+
+#endif