diff options
Diffstat (limited to 'libbuild2/test/rule.cxx')
| -rw-r--r-- | libbuild2/test/rule.cxx | 34 |
1 files changed, 29 insertions, 5 deletions
diff --git a/libbuild2/test/rule.cxx b/libbuild2/test/rule.cxx index 5cdd8fb..5992414 100644 --- a/libbuild2/test/rule.cxx +++ b/libbuild2/test/rule.cxx @@ -958,13 +958,37 @@ namespace build2 process p; { - process::pipe ep (pp.dbuf.open (args[0], - pp.force_dbuf, - fdstream_mode::non_blocking)); + process::pipe ep; + { + fdpipe p; + if (diag_buffer::pipe (t.ctx, pp.force_dbuf) == -1) // Buffering? + { + try + { + p = fdopen_pipe (); + } + catch (const io_error& e) + { + fail << "unable to redirect stderr: " << e; + } + + // Note that we must return non-owning fd to our end of the pipe + // (see the process class for details). + // + ep = process::pipe (p.in.get (), move (p.out)); + } + else + ep = process::pipe (-1, 2); + + // Note that we must open the diag buffer regardless of the + // diag_buffer::pipe() result. + // + pp.dbuf.open (args[0], move (p.in), fdstream_mode::non_blocking); + } p = (prev == nullptr - ? process (args, 0, out, ep.out) // First process. - : process (args, *prev->proc, out, ep.out)); // Next process. + ? process (args, 0, out, move (ep)) // First process. + : process (args, *prev->proc, out, move (ep))); // Next process. } pp.proc = &p; |