[Tarantool-patches] [PATCH v6 0/2] fiber: Handle stack madvise/mprotect errors

[Cyrill Gorcunov]

Sasha, I put your reviewed-by tag, please let me know if
you're not agreed.

Vlad, take a look please once time permit.

v6 (by @alexander.turenko):
 - polish unit test (style and results)
 - fix bracing in core/fiber.c

issue https://github.com/tarantool/tarantool/issues/4722
branch gorcunov/gh-4722-mprotect-diag-error-6

Cyrill Gorcunov (2):
  fiber: set diagnostics at madvise/mprotect failure
  fiber: leak slab if unable to bring prots back

 src/lib/core/errinj.h        |   2 +
 src/lib/core/fiber.c         |  93 +++++++++++++++++++-----
 test/box/errinj.result       | 136 ++++++++++++++++++-----------------
 test/unit/CMakeLists.txt     |   4 ++
 test/unit/fiber_stack.cc     |  83 +++++++++++++++++++++
 test/unit/fiber_stack.result |   7 ++
 test/unit/suite.ini          |   2 +-
 7 files changed, 242 insertions(+), 85 deletions(-)
 create mode 100644 test/unit/fiber_stack.cc
 create mode 100644 test/unit/fiber_stack.result

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2.20.1