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* DevNotes: Add entry cgf-000018.

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* init.cc (dll_entry): Grab process lock before exiting to ensure that thread
doesn't exit before parent if parent is exiting.
* _cygtls.cc (_cygtls::call2): Revert previous 2012-12-21 change.
* miscfuncs.cc (thread_wrapper): Ditto.
* thread.cc (pthread::exit): Ditto.
* sigproc.cc (exit_thread): Ditto.
(wait_sig): Ditto.
* sync.cc (muto::release): Ditto.
* sync.h (muto::release): Ditto.
* sigproc.h (__SIGTHREADEXIT): Delete enum.
(exit_thread): Delete declaration.
This commit is contained in:
Christopher Faylor
2012-12-21 19:32:43 +00:00
parent 614aff88a0
commit 65068ebd7f
10 changed files with 45 additions and 61 deletions
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11
winsup/cygwin/DevNotes
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@@ -1,3 +1,14 @@
2012-12-21 cgf-000018
Re: cgf-000017
It occurred to me that just getting the process lock during
DLL_THREAD_DETACH in dll_entry() might be adequate to fix this
problem. It's certainly much less intrusive.
There are potential deadlock problems with grabbing a lock in
this code, though, so this check-in will be experimental.
2012-12-21 cgf-000017
The changes in this set are to work around the issue noted here: