Initial work

external/process-cpp-minimal/include/core/posix/exec.h

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+/*
+ * 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 <http://www.gnu.org/licenses/>.
+ *
+ * Authored by: Thomas Voß <thomas.voss@canonical.com>
+ */
+
+#ifndef CORE_POSIX_EXEC_H_
+#define CORE_POSIX_EXEC_H_
+
+#include <core/posix/child_process.h>
+#include <core/posix/visibility.h>
+
+#include <functional>
+#include <map>
+#include <string>
+#include <vector>
+
+namespace core
+{
+namespace posix
+{
+enum class RedirectFlags;
+
+/**
+ * @brief exec execve's the executable with the provided arguments and environment.
+ * @throws std::system_error in case of errors.
+ * @param fn The executable to run.
+ * @param argv Vector of command line arguments
+ * @param env Environment that the new process should run under
+ * @param flags Specifies which standard streams should be redirected.
+ * @return An instance of ChildProcess corresponding to the newly exec'd process.
+ */
+CORE_POSIX_DLL_PUBLIC ChildProcess exec(const std::string& fn,
+                  const std::vector<std::string>& argv,
+                  const std::map<std::string, std::string>& env,
+                  const StandardStream& flags);
+
+/**
+ * @brief exec execve's the executable with the provided arguments and environment.
+ * @throws std::system_error in case of errors.
+ * @param fn The executable to run.
+ * @param argv Vector of command line arguments
+ * @param env Environment that the new process should run under
+ * @param flags Specifies which standard streams should be redirected.
+ * @param child_setup Function to run in the child just before exec().
+ * @return An instance of ChildProcess corresponding to the newly exec'd process.
+ */
+CORE_POSIX_DLL_PUBLIC ChildProcess exec(const std::string& fn,
+                  const std::vector<std::string>& argv,
+                  const std::map<std::string, std::string>& env,
+                  const StandardStream& flags,
+                  const std::function<void()>& child_setup);
+}
+}
+
+#endif // CORE_POSIX_EXEC_H_