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llvm/scudo/564c4ecb75a21f628a941e4eaa8c32bf79a35d2f
commit
564c4ecb75a21f628a941e4eaa8c32bf79a35d2f
[log]
author
Christopher Ferris <cferris1000@users.noreply.github.com>
Mon Jun 08 19:09:36 2026 +0000
committer
Copybara-Service <copybara-worker@google.com>
Mon Jun 08 12:11:28 2026 -0700
tree
a853dd20adc430ee45f1d9a15f11c97672c30b36
parent
a0a4a5a0f9538b5c800b9ebc3550beb59810fc89 [diff]
[scudo] Remove locks from getTSDAndLockSlow (#201960)

Change the name of getTSDAndLockSlow to getTSDLockSlow and remove all
locks in favor of using atomic variables. Continue to lock when changing
the number of shared TSDs.

This change will remove thread contention and avoid blocking between
threads when this function is called.

GitOrigin-RevId: 3136d62938e8cb8ac3ca735d7db741a0c0d11521
2 files changed
tree: a853dd20adc430ee45f1d9a15f11c97672c30b36
  1. fuzz/
  2. include/
  3. tests/
  4. tools/
  5. allocator_common.h
  6. allocator_config.def
  7. allocator_config.h
  8. allocator_config_wrapper.h
  9. atomic_helpers.h
  10. bytemap.h
  11. checksum.cpp
  12. checksum.h
  13. chunk.h
  14. combined.h
  15. common.cpp
  16. common.h
  17. condition_variable.h
  18. condition_variable_base.h
  19. condition_variable_linux.cpp
  20. condition_variable_linux.h
  21. crc32_hw.cpp
  22. flags.cpp
  23. flags.h
  24. flags.inc
  25. flags_parser.cpp
  26. flags_parser.h
  27. fuchsia.cpp
  28. fuchsia.h
  29. internal_defs.h
  30. LICENSE.TXT
  31. linux.cpp
  32. linux.h
  33. list.h
  34. mem_map.cpp
  35. mem_map.h
  36. mem_map_base.h
  37. mem_map_fuchsia.cpp
  38. mem_map_fuchsia.h
  39. mem_map_linux.cpp
  40. mem_map_linux.h
  41. memtag.h
  42. mutex.h
  43. options.h
  44. platform.h
  45. primary32.h
  46. primary64.h
  47. quarantine.h
  48. release.cpp
  49. release.h
  50. report.cpp
  51. report.h
  52. report_linux.cpp
  53. report_linux.h
  54. secondary.h
  55. size_class_allocator.h
  56. size_class_map.h
  57. stack_depot.h
  58. stats.h
  59. string_utils.cpp
  60. string_utils.h
  61. thread_annotations.h
  62. timing.cpp
  63. timing.h
  64. tracing.h
  65. trusty.cpp
  66. trusty.h
  67. tsd.h
  68. tsd_exclusive.h
  69. tsd_shared.h
  70. type_traits.h
  71. vector.h
  72. wrappers_c.cpp
  73. wrappers_c.h
  74. wrappers_c_checks.h
  75. wrappers_cpp.cpp