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Issue 874815 link

Starred by 1 user
Status: Available
Owner: ----
Components:
EstimatedDays: ----
NextAction: ----
OS: Mac
Pri: 3
Type: Bug



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[MacOS] base::debug::WaitForDebugger waits till the timeout, even when debugger is being attached.

Project Member Reported by mpichlin...@opera.com, Aug 16 
Chrome Version: 70.0.3521.2
OS: MacOS

What steps will reproduce the problem?
(1) Start browser manually with --wait-for-debugger
(2) Attach a debugger to the running process

What is the expected result?
Browser starts working right after the debugger attaches.

What happens instead?
Browser is hanging in the WaitForDebugger loop till the timeout.

Comment 1 by mpichlin...@opera.com, Aug 17

Owner: ----
Status: Available (was: Started)
Solution proposed in:
https://chromium-review.googlesource.com/c/chromium/src/+/1177605 breaks async-signal safe assumption and is not sufficient for the sandboxed processes.

Suggested solution:
"Invent our own protocol for this. “Attach a debugger and call ThisNewFunctionWeAreInventing()”. The new function could tickle something that WaitForDebugger() waits on, and then trap."

Comment 2 by dtapu...@chromium.org, Aug 21

Components: Internals>Core
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