diff options
Diffstat (limited to 'bdep/utility.txx')
| -rw-r--r-- | bdep/utility.txx | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/bdep/utility.txx b/bdep/utility.txx index b796f69..9e94196 100644 --- a/bdep/utility.txx +++ b/bdep/utility.txx @@ -12,6 +12,50 @@ namespace bdep { + template <typename I, typename O, typename E, typename P, typename... A> + process + start (I&& in, O&& out, E&& err, const P& prog, A&&... args) + { + try + { + return process_start_callback ( + [] (const char* const args[], size_t n) + { + if (verb >= 2) + print_process (args, n); + }, + forward<I> (in), + forward<O> (out), + forward<E> (err), + prog, + forward<A> (args)...); + } + catch (const process_error& e) + { + fail << "unable to execute " << prog << ": " << e << endf; + } + } + + template <typename P, typename... A> + void + run (const P& prog, A&&... args) + { + process pr (start (0 /* stdin */, + 1 /* stdout */, + 2 /* stderr */, + prog, + forward<A> (args)...)); + if (!pr.wait ()) + { + const process_exit& e (*pr.exit); + + if (e.normal ()) + throw failed (); // Assume the child issued diagnostics. + + fail << "process " << prog << " " << e; + } + } + // *_bpkg() // template <typename O, typename E, typename... A> |