diff options
author | Mike Klein <mtklein@chromium.org> | 2017-08-24 11:17:55 -0400 |
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committer | Skia Commit-Bot <skia-commit-bot@chromium.org> | 2017-08-24 15:37:36 +0000 |
commit | f3c99eecc07a0ac64dc8e796c05fa6df71ea1119 (patch) | |
tree | f6bdf529ef2147c3ed501c7ad7529c9aca377d56 /src/core/SkTaskGroup.cpp | |
parent | 76323bc0615044a5921afef0e19a350f3d04ffe0 (diff) |
add SkTaskGroup::done()
This lets you check if the work's done without blocking.
Seems handy.
Change-Id: Ie27c7b6fe0d01262b6a777abbc18b0de108641c0
Reviewed-on: https://skia-review.googlesource.com/38120
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Mike Klein <mtklein@chromium.org>
Diffstat (limited to 'src/core/SkTaskGroup.cpp')
-rw-r--r-- | src/core/SkTaskGroup.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/core/SkTaskGroup.cpp b/src/core/SkTaskGroup.cpp index 9469b8c1ce..c7927db5ba 100644 --- a/src/core/SkTaskGroup.cpp +++ b/src/core/SkTaskGroup.cpp @@ -29,12 +29,16 @@ void SkTaskGroup::batch(int N, std::function<void(int)> fn) { } } +bool SkTaskGroup::done() const { + return fPending.load(std::memory_order_acquire) == 0; +} + void SkTaskGroup::wait() { // Actively help the executor do work until our task group is done. // This lets SkTaskGroups nest arbitrarily deep on a single SkExecutor: // no thread ever blocks waiting for others to do its work. // (We may end up doing work that's not part of our task group. That's fine.) - while (fPending.load(std::memory_order_acquire) > 0) { + while (!this->done()) { fExecutor.borrow(); } } |