[lldb] Fix occasional hangs of VSCode testcases

On slower machines the vscode testcases were sometimes hanging:

  1910 ? Sl 0:00 |   \_ /usr/bin/python .../llvm/tools/lldb/test/dotest.py ... -p TestVSCode_setBreakpoints.py
  2649 ? Sl 0:00 |       \_ .../build/bin/lldb-vscode
  2690 ? S  0:00 |           \_ .../build/bin/lldb-server gdbserver --fd=9 --native-regs --setsid
  2708 ? t  0:00 |               \_ .../build/lldb-test-build.noindex/tools/lldb-vscode/breakpoint/TestVSCode_setBreakpoints.test_functionality/a.out

A reproducer of the racy bug for send_recv():
#         self.send_packet(command)
#+        import time
#+        time.sleep(1)
#         done = False

I guess `request_continue` was probably originally intended to be synchronous
but then it isn't and this code has been leftover there.

Differential revision: https://reviews.llvm.org/D65163

llvm-svn: 366850
1 file changed
tree: fc7cba07031981cb1ad70de70dc1a2fa5f74be2c
  1. clang/
  2. clang-tools-extra/
  3. compiler-rt/
  4. debuginfo-tests/
  5. libclc/
  6. libcxx/
  7. libcxxabi/
  8. libunwind/
  9. lld/
  10. lldb/
  11. llgo/
  12. llvm/
  13. openmp/
  14. parallel-libs/
  15. polly/
  16. pstl/
  17. .arcconfig
  18. .clang-format
  19. .clang-tidy
  20. .gitignore
  21. README.md
README.md

The LLVM Compiler Infrastructure

This directory and its subdirectories contain source code for LLVM, a toolkit for the construction of highly optimized compilers, optimizers, and runtime environments.