runtime/cgo: retry _beginthread on EACCES

We occassionally see _beginthread failing with EACCES, meaning
"insufficient resources" according to the Microsoft documentation.
Exactly which resources is unclear.

Similar to pthread_create on unix systems, we can wait a bit and retry
to try to get success. The alternative is to abort, so we may as well
give it a try.

Fixes #52572.

Change-Id: I6e05add53b4ae36c61e53b1ee3fed6bc74e17dfa
Reviewed-by: Michael Knyszek <>
Reviewed-by: Ian Lance Taylor <>
Run-TryBot: Michael Pratt <>
TryBot-Result: Gopher Robot <>
1 file changed
tree: b65c92038821d560df2ba967bc97ef502f02c6b8
  1. .github/
  2. api/
  3. doc/
  4. lib/
  5. misc/
  6. src/
  7. test/
  8. .gitattributes
  9. .gitignore
  11. codereview.cfg

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