Try using std::call_once

Try using std::call_once

Now that we've got std library support, perhaps we should start using it.
This CL acts as a little canary, and may help fix the linked bug.

I'm not really sure what's going on in the linked bug, but using
std::call_once over homegrown atomics has to be the right answer...

BUG=chromium:418041
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1550893002
CQ_EXTRA_TRYBOTS=client.skia:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-SKNX_NO_SIMD-Trybot

Going to land this ahead of review while the tree is quiet to see how it rolls.
TBR=herb@google.com

Committed: https://skia.googlesource.com/skia/+/8895b72f789e5dc8bb99cb9727875439005fc919

[mtklein_C, 2015-12-29 05:57:47]

Description was changed from

==========
Try using std::call_once

Now that we've got std library support, perhaps we should start using it.
This CL acts as a little canary, and may help fix the linked bug.

I'm not really sure what's going on in the linked bug, but using
std::call_once over homegrown atomics has to be the right answer...

BUG=chromium:418041
==========

to

==========
Try using std::call_once

Now that we've got std library support, perhaps we should start using it.
This CL acts as a little canary, and may help fix the linked bug.

I'm not really sure what's going on in the linked bug, but using
std::call_once over homegrown atomics has to be the right answer...

BUG=chromium:418041
GOLD_TRYBOT_URL=
https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&is...
CQ_EXTRA_TRYBOTS=client.skia:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-SKNX_NO_SIMD-Trybot
==========

[mtklein, 2015-12-29 05:59:09]

The CQ bit was checked by mtklein@google.com to run a CQ dry run

[commit-bot: I haz the power, 2015-12-29 05:59:13]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1550893002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1550893002/1

[mtklein, 2015-12-29 06:03:50]

The CQ bit was unchecked by mtklein@google.com

[mtklein_C, 2015-12-29 06:25:35]

Description was changed from

==========
Try using std::call_once

Now that we've got std library support, perhaps we should start using it.
This CL acts as a little canary, and may help fix the linked bug.

I'm not really sure what's going on in the linked bug, but using
std::call_once over homegrown atomics has to be the right answer...

BUG=chromium:418041
GOLD_TRYBOT_URL=
https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&is...
CQ_EXTRA_TRYBOTS=client.skia:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-SKNX_NO_SIMD-Trybot
==========

to

==========
Try using std::call_once

Now that we've got std library support, perhaps we should start using it.
This CL acts as a little canary, and may help fix the linked bug.

I'm not really sure what's going on in the linked bug, but using
std::call_once over homegrown atomics has to be the right answer...

BUG=chromium:418041
GOLD_TRYBOT_URL=
https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&is...
CQ_EXTRA_TRYBOTS=client.skia:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-SKNX_NO_SIMD-Trybot

Going to land this ahead of review while the tree is quiet to see how it rolls.
TBR=herb@google.com
==========

[mtklein_C, 2015-12-29 06:25:44]

mtklein@chromium.org changed reviewers:
+ herb@google.com
- mtklein@google.com

[mtklein_C, 2015-12-29 06:26:35]

The CQ bit was checked by mtklein@chromium.org

[commit-bot: I haz the power, 2015-12-29 06:26:40]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1550893002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1550893002/1

[commit-bot: I haz the power, 2015-12-29 06:27:20]

Description was changed from

==========
Try using std::call_once

Now that we've got std library support, perhaps we should start using it.
This CL acts as a little canary, and may help fix the linked bug.

I'm not really sure what's going on in the linked bug, but using
std::call_once over homegrown atomics has to be the right answer...

BUG=chromium:418041
GOLD_TRYBOT_URL=
https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&is...
CQ_EXTRA_TRYBOTS=client.skia:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-SKNX_NO_SIMD-Trybot

Going to land this ahead of review while the tree is quiet to see how it rolls.
TBR=herb@google.com
==========

to

==========
Try using std::call_once

Now that we've got std library support, perhaps we should start using it.
This CL acts as a little canary, and may help fix the linked bug.

I'm not really sure what's going on in the linked bug, but using
std::call_once over homegrown atomics has to be the right answer...

BUG=chromium:418041
GOLD_TRYBOT_URL=
https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&is...
CQ_EXTRA_TRYBOTS=client.skia:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-SKNX_NO_SIMD-Trybot

Going to land this ahead of review while the tree is quiet to see how it rolls.
TBR=herb@google.com

Committed:
https://skia.googlesource.com/skia/+/8895b72f789e5dc8bb99cb9727875439005fc919
==========

[commit-bot: I haz the power, 2015-12-29 06:27:21]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/8895b72f789e5dc8bb99cb9727875439005fc919

[herb_g, 2015-12-29 17:47:02]

lgtm

[herb_g, 2015-12-29 17:47:05]

lgtm

[mtklein, 2016-01-05 02:18:40]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/1552333003/ by mtklein@google.com.

The reason for reverting is: Can't use on XP.  :(.