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| author | Lexi Winter <lexi@le-fay.org> | 2025-06-28 20:40:25 +0100 |
|---|---|---|
| committer | Lexi Winter <lexi@le-fay.org> | 2025-06-28 20:40:25 +0100 |
| commit | c54ff48ac3abb62a40eb1a438da8e3e7ef139797 (patch) | |
| tree | 4a78c556c7cbc6d3d7e364ca0c52c57ac0f5094b /nihil.posix/exec.cc | |
| parent | a2d7181700ac64b8e7a4472ec26dfa253b38f188 (diff) | |
| download | nihil-c54ff48ac3abb62a40eb1a438da8e3e7ef139797.tar.gz nihil-c54ff48ac3abb62a40eb1a438da8e3e7ef139797.tar.bz2 | |
posix: add tempfile()
Diffstat (limited to 'nihil.posix/exec.cc')
| -rw-r--r-- | nihil.posix/exec.cc | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/nihil.posix/exec.cc b/nihil.posix/exec.cc deleted file mode 100644 index 5bdcbf7..0000000 --- a/nihil.posix/exec.cc +++ /dev/null @@ -1,71 +0,0 @@ -/* - * 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 { - -fexecv::fexecv(fd &&execfd, argv &&args) noexcept - : m_execfd(std::move(execfd)) - , m_args(std::move(args)) -{ -} - -auto fexecv::exec(this fexecv &self) - -> std::expected<void, error> -{ - ::fexecve(self.m_execfd.get(), self.m_args.data(), environ); - return std::unexpected(error("fexecve failed", - error(std::errc(errno)))); -} - -fexecv::fexecv(fexecv &&) noexcept = default; -auto fexecv::operator=(this fexecv &, fexecv &&) noexcept -> fexecv& = default; - -auto execv(std::string_view path, argv &&argv) - -> std::expected<fexecv, error> -{ - auto file = co_await open(path, O_EXEC) - .transform_error([&] (error cause) { - return error(std::format("could not open {}", path), - std::move(cause)); - }); - - co_return fexecv(std::move(file), std::move(argv)); -} - -auto execvp(std::string_view file, argv &&argv) - -> std::expected<fexecv, error> -{ - auto execfd = find_in_path(file); - if (!execfd) - return std::unexpected(error( - std::format("executable not found in path: {}", file))); - return fexecv(std::move(*execfd), std::move(argv)); -} - -auto shell(std::string_view const &command) - -> std::expected<fexecv, error> -{ - return execl("/bin/sh", "sh", "-c", command); -} - -} // namespace nihil |
