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Add ASYNC_block_pause and ASYNC_unblock_pause

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There are potential deadlock situations that can occur if code executing
within the context of a job aquires a lock, and then pauses the job. This
adds an ability to temporarily block pauses from occuring whilst performing
work and holding a lock.

Reviewed-by: Rich Salz <rsalz@openssl.org>
This commit is contained in:
Matt Caswell
2015-11-12 10:42:08 +00:00
parent f4511d4897
commit e8dfb5bf8e
6 changed files with 87 additions and 7 deletions
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util/libeay.num
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@@ -4659,3 +4659,5 @@ ASYNC_clear_wake 5018 EXIST::FUNCTION:
ASYNC_get_current_job 5019 EXIST::FUNCTION:
ASYNC_get_wait_fd 5020 EXIST::FUNCTION:
ERR_load_ASYNC_strings 5021 EXIST::FUNCTION:
ASYNC_unblock_pause 5022 EXIST::FUNCTION:
ASYNC_block_pause 5023 EXIST::FUNCTION: