1 files changed, 43 insertions, 0 deletions
diff --git a/nihil.posix/execv.cc b/nihil.posix/execv.cc
new file mode 100644
index 0000000..63f9698
--- /dev/null
+++ b/nihil.posix/execv.cc
@@ -0,0 +1,43 @@
+/*
+ * This source code is released into the public domain.
+ */
+
+module;
+
+#include <coroutine>
+#include <expected>
+#include <format>
+#include <string>
+#include <utility>
+
+#include <err.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+extern char **environ;
+
+module nihil.posix;
+
+import nihil.error;
+import nihil.monad;
+
+namespace nihil {
+
+execv::execv(std::filesystem::path path, argv &&args) noexcept
+	: m_path(std::move(path))
+	, m_args(std::move(args))
+{
+}
+
+auto execv::exec(this execv &self) -> std::expected<void, error>
+{
+	::execve(self.m_path.string().c_str(), self.m_args.data(), environ);
+	return std::unexpected(error("execve failed", error(std::errc(errno))));
+}
+
+execv::execv(execv &&) noexcept = default;
+execv::execv(execv const &) = default;
+auto execv::operator=(this execv &, execv &&) -> execv & = default;
+auto execv::operator=(this execv &, execv const &) -> execv & = default;
+
+} // namespace nihil