diff options
| -rw-r--r-- | gdbsupport/parallel-for.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gdbsupport/parallel-for.h b/gdbsupport/parallel-for.h index 7b6891a0dc..a614fc3576 100644 --- a/gdbsupport/parallel-for.h +++ b/gdbsupport/parallel-for.h @@ -172,6 +172,29 @@ parallel_for_each (unsigned n, RandomIt first, RandomIt last, }); } +/* A sequential drop-in replacement of parallel_for_each. This can be useful + when debugging multi-threading behaviour, and you want to limit + multi-threading in a fine-grained way. */ + +template<class RandomIt, class RangeFunction> +typename gdb::detail::par_for_accumulator< + typename std::result_of<RangeFunction (RandomIt, RandomIt)>::type + >::result_type +sequential_for_each (unsigned n, RandomIt first, RandomIt last, + RangeFunction callback) +{ + using result_type + = typename std::result_of<RangeFunction (RandomIt, RandomIt)>::type; + + gdb::detail::par_for_accumulator<result_type> results (0); + + /* Process all the remaining elements in the main thread. */ + return results.finish ([=] () + { + return callback (first, last); + }); +} + } #endif /* GDBSUPPORT_PARALLEL_FOR_H */ |