Commits · afd02e0838b6fc3bc1f8e2294cc51fae3910d096 · Libraries / folly

17 Oct, 2018 40 commits
- Ensure FOLLY_SDT's Semaphore is in an allocated section · afd02e08
  Teng Qin authored Oct 16, 2018
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Summary:
Currently `FOLLY_SDT`'s Semaphore is just an global variable at where it was defined. Since it's initialized to 0 it will be put into the `.bss` section. It works fine currently, especially for Executable binaries, because tools, in particular BCC, will be writing to the virtual address directly.

However, recent patches to Linux Kernel supports handling Semaphore (reference counter) natively along with the uprobe event, and it requires the Semaphore address to be allocated in the binary file so Kernel can find correct VMA for the address, especially for Shared Object binaries.

This Diff makes `FOLLY_SDT_DEFINE_SEMAPHORE` to put the Semaphore into a `PROGBITS` section `.probes` that is writeable and allocated. This is a practice compatible with SystemTap's USDT implementation, where the Semaphores also reside in the `.probes` section, as can be found in CPython, libc, MySQL, PostgresSQL, and many applications already.

Reviewed By: yfeldblum

Differential Revision: D10319732

fbshipit-source-id: 67ac0e55cc10cf1425a754d88cae0165b89ee993
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  afd02e08
- update readme to reflect the refactoring (#55) · 1034be9b
  Kirk Shoop authored Oct 16, 2018
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fbshipit-source-id: 40cb872c23288d4efc26e20df83dad975465a2c4
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  1034be9b
- add customizatinos for nullary function to be a receiver (#54) · 44febf20
  Kirk Shoop authored Oct 16, 2018
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fbshipit-source-id: 113888cb7117615cb7c21ddaa6829805474fdd69
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  44febf20
- consolidate receivers (#53) · 8d2c3121
  Kirk Shoop authored Oct 16, 2018
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fbshipit-source-id: cd20a757d9ff43d80b74c9b7eb63f485ff206f8b
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  8d2c3121
- refactoring time senders and executors (#51) · 9f236dcd
  Kirk Shoop authored Oct 16, 2018
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fbshipit-source-id: 6df047bf7833fe622b6c9901912b8022e485a610
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  9f236dcd
- Update Readme.md · 5160a6b0
  Kirk Shoop authored Oct 16, 2018
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fbshipit-source-id: ac613182e9960ebe3213041e8a0fcdbc7a33c0ef
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  5160a6b0
- adding executor() method (#50) · ebd46723
  Kirk Shoop authored Oct 16, 2018
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fbshipit-source-id: 73368129775f17ebed8f74cb39688b2b6a9d73e4
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  ebd46723
- Update Readme.md · 82c0f564
  Kirk Shoop authored Oct 16, 2018
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fbshipit-source-id: baeb1f8956092be8fc5f831171e15c383c74ae3b
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  82c0f564
- add flow many (#49) · 9f3e9a65
  Kirk Shoop authored Oct 16, 2018
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fbshipit-source-id: 2d6d5588ef87baf85e41ea1ccdf874a8d4f6ee66
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  9f3e9a65
- rename deferred to sender · d41131f9
  Eric Niebler authored Oct 16, 2018
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fbshipit-source-id: 4c647dd4716ae79e3727229d679680a30f4908cd
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  d41131f9
- simplify deferred_from · d76b6bf8
  Eric Niebler authored Oct 16, 2018
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fbshipit-source-id: 59a6171c8cbe5a4b26c01532dc94cca252c863cc
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  d76b6bf8
- reduce needless out_from_fn instantiations · 58d9eab5
  Eric Niebler authored Oct 16, 2018
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fbshipit-source-id: 7df1094b2072726b2d0fe8fb75693b4aff93cda2
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  58d9eab5
- make sure that both entangled implementations protect access to the data with actual locks. · d6f75f2e
  Kirk Shoop authored Oct 16, 2018
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fbshipit-source-id: 2d6466aa8cd4d37ead490fe046480d7eef746d29
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  d6f75f2e
- Merge pull request #45 from facebookresearch/constrained-lambdas · 4d980ea0
  Eric Niebler authored Oct 16, 2018
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fbshipit-source-id: 6d910ea36fd6b20f97723517f5cedc472fb1ba8d
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  4d980ea0
- replace some lambdas with less-parameterized function objects · 492ce4ff
  Eric Niebler authored Oct 16, 2018
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fbshipit-source-id: 78678cd0f18440a8ece264e83e303c568354bdaa
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  492ce4ff
- kill constrained lambdas · 4fdee04d
  Eric Niebler authored Oct 16, 2018
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fbshipit-source-id: cac70823ef7a6369d0b731edaf621399d49804c0
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  4fdee04d
- add benchmarks for flow and many · c5555259
  Kirk Shoop authored Oct 16, 2018
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fbshipit-source-id: 46b51ab9bbfb6903a07cd0e5ed006a8dd081975f
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  c5555259
- skip catch_discover_tests on older cmake versions · f5ee09a3
  Kirk Shoop authored Oct 16, 2018
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fbshipit-source-id: 5552aa10e9abdf6091bfe77fe802f2cd26d50d32
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  f5ee09a3
- add many, many_deferred and from · 0f0583e4
  Kirk Shoop authored Oct 16, 2018
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fbshipit-source-id: 71a8c1998a0688e268a2a9a33aa601931e93e8c6
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  0f0583e4
- create the next signal for use by Many · 7b28fc97
  Kirk Shoop authored Oct 16, 2018
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fbshipit-source-id: 77064a2ace9076a80dd8ce4dd69e386b5c5a496a
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  7b28fc97
- only the tests need to depend on Catch2 · f5189553
  Eric Niebler authored Oct 16, 2018
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fbshipit-source-id: ec5e6c15ed3e61894d297e675f0180008ea6de4a
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  f5189553
- split up the tests into separate executables · 3696eeae
  Eric Niebler authored Oct 16, 2018
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fbshipit-source-id: 40b0269014ac6fe1cab1362904791ae1819d8aa0
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  3696eeae
- remove stopping signal · eb464ae8
  Kirk Shoop authored Oct 16, 2018
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fbshipit-source-id: b71f93b93d0915a5c913bddb8e4bdbbe7072bce7
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  eb464ae8
- add entangle.h to single header · 0d4b1a6c
  Kirk Shoop authored Oct 16, 2018
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fbshipit-source-id: a5397bf49ace572d5683b9aa01381c9cb15a7d83
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  0d4b1a6c
- add new thread cancellation test · 07a7d5c4
  Kirk Shoop authored Oct 16, 2018
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fbshipit-source-id: 9d12db7b6b8ea4bc2ba87de78a35046884c30e3d
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  07a7d5c4
- Cleanup any_time_executor and any_time_executor_ref · ff57e8ff
  Eric Niebler authored Oct 16, 2018
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fbshipit-source-id: 57b9cddb7f3a2072bbf9335c3230a6f9c0219e77
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  ff57e8ff
- work around various gcc-6 and -7 bugs · 85207e0f
  Eric Niebler authored Oct 16, 2018
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fbshipit-source-id: a26e4e767b4aea27d5092edba3f755a02a8e1cbe
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  85207e0f
- flow_single works with concepts emulation · e1af1682
  Eric Niebler authored Oct 16, 2018
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fbshipit-source-id: 73b62ddd46201b81ea7f69c83f7f498ab45f6d13
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  e1af1682
- tests for flow single with cancellation · 97d89ff6
  Kirk Shoop authored Oct 16, 2018
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fbshipit-source-id: 57dbe1e4eac06af9fccc4e44ad269f27fccb70be
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  97d89ff6
- use make_single to avoid deduction guide issue · 7c22b071
  Kirk Shoop authored Oct 16, 2018
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fbshipit-source-id: 7790bfb069ba355a9280892feda8642926b40f99
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  7c22b071
- Add travis-ci build status for master branch · acee8396
  Eric Niebler authored Oct 16, 2018
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fbshipit-source-id: 2630da9ee1ca8a8e1e2547efb78257691673b21e
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  acee8396
- add example for set_error · f32d6b68
  Kirk Shoop authored Oct 16, 2018
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fbshipit-source-id: f8fb9b36c34d11ffee5649291a7d09a796733567
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  f32d6b68
- fix synchronization issue and update benchmarks · 1f41b225
  Kirk Shoop authored Oct 16, 2018
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fbshipit-source-id: 517a2a9c83e19c539a4ccdd6fe696a8ce2d9a2d1
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  1f41b225
- adding example for things that require set_done (#31) · aac47db4
  Kirk Shoop authored Oct 16, 2018
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fbshipit-source-id: a79daf051453f6b189330891fa290be4e9cd6549
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  aac47db4
- Enable Travis-ci integration (#30) · 5ab9aa60
  Eric Niebler authored Oct 16, 2018
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fbshipit-source-id: 909a2c1037c4ef9cf81bbb7279bd891a2b93c546
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  5ab9aa60
- add benchmarks and options for compiler flags (#29) · 199c7fdf
  Kirk Shoop authored Oct 16, 2018
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fbshipit-source-id: 6b132d537fa3cb5c9448b1c7d2adcc6204682f47
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  199c7fdf
- integrate pushmi with ctest so that \'make test\' runs pushmi\'s tests · bd571274
  Eric Niebler authored Oct 16, 2018
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fbshipit-source-id: 3896cc505a67c37d1ff15d451f3352b94b6118dc
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  bd571274
- rebuild single header · 7f2c1167
  Eric Niebler authored Oct 16, 2018
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fbshipit-source-id: 14539a960a9a34521b022c88ef296a7bbcfe7bb7
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  7f2c1167
- support gcc-6.4, fixes #26 · 0097bfef
  Eric Niebler authored Oct 16, 2018
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fbshipit-source-id: 0ac5905901904ad0853d5df2a29578d13d056e7a
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  0097bfef
- rebuild the single header · af471d0d
  Eric Niebler authored Oct 16, 2018
```
fbshipit-source-id: 4f62ac9b038b4836187c96faf3b8ab88ee34c0b2
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  af471d0d