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(Linux) Support breakpoint upon assertion failure. #372

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(Linux) Support breakpoint upon assertion failure. #372

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roberth-k
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Add CATCH_PLATFORM_LINUX (based on presence of __LINUX__ or __linux__).
For this platform,

  • define a conditional check for debugger presence by having a temporary child PTRACE_ATTACH to its parent (failure should indicate a tracer (ie. debugger) is already present). Modified version of this.
  • based on that conditional, upon assertion failure
    • execute a Breakpoint Exception (x86) inline; or
    • raise SIGINT (other architectures; the breakpoint will occur somewhere inside raise()).

@roberth-k
Linux debugger breakpoint support.
7bc0d4f 
Add CATCH_PLATFORM_LINUX.
Naively raise int $3 or SIGINT when debugging (-b).
@roberth-k
Add a proper debugger check in Linux.
fcb5f12 
Create a child process and attempt to PTHREAD_ATTACH to parent. Failure will indicate a tracer (likely debugger) present.
@roberth-k
Include missing header.
d27dba1
@horenmar horenmar mentioned this pull request Jan 8, 2017
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@horenmar
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I merged in #585, so I am closing this.

@horenmar horenmar closed this Jan 15, 2017
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@roberth-k @horenmar