10 Commits

Author SHA1 Message Date
Matt Caswell
27949c353e Simplify async pool handling
A lot of the pool handling code was in the arch specific files, but was
actually boiler plate and the same across the implementations. This commit
moves as much code as possible out of the arch specific files.

Reviewed-by: Rich Salz <rsalz@openssl.org>
2015-11-20 23:37:17 +00:00
Matt Caswell
2b2c78d4f0 Swap to using proper windows pipes
We were using _pipe to create a pipe on windows. This uses the "int" type
for its file descriptor for compatibility. However most windows functions
expect to use a "HANDLE". Probably we could get away with just casting but
it seems more robust to use the proper type and main stream windows
functions.

Reviewed-by: Rich Salz <rsalz@openssl.org>
2015-11-20 23:37:17 +00:00
Matt Caswell
e8dfb5bf8e Add ASYNC_block_pause and ASYNC_unblock_pause
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>
2015-11-20 23:37:17 +00:00
Matt Caswell
636ca4ff64 Normalise ASYNC naming
Tidied up the naming of functions and structures to be consistent

Reviewed-by: Rich Salz <rsalz@openssl.org>
2015-11-20 23:34:35 +00:00
Matt Caswell
134b28f883 Fix windows compilation warnings
Fix some warnings in the async code when compiling on windows.

Reviewed-by: Rich Salz <rsalz@openssl.org>
2015-11-20 23:34:35 +00:00
Matt Caswell
d63de0ebff Implement windows async pool and notify support
Port the async pool and notify code to windows.

Reviewed-by: Rich Salz <rsalz@openssl.org>
2015-11-20 23:33:46 +00:00
Matt Caswell
0ff2b9ac0b Implement local thread pools
Implement the ASYNC_JOB as a local thread pool. Remove the API support
for global pools.

Reviewed-by: Rich Salz <rsalz@openssl.org>
2015-11-20 23:33:46 +00:00
Matt Caswell
f4da39d200 Initial Async notify code changes
Initial API implemented for notifying applications that an ASYNC_JOB
has completed. Currently only s_server is using this. The Dummy Async
engine "cheats" in that it notifies that it has completed *before* it
pauses the job. A normal async engine would not do that.

Only the posix version of this has been implemented so far, so it will
probably fail to compile on Windows at the moment.

Reviewed-by: Rich Salz <rsalz@openssl.org>
2015-11-20 23:33:46 +00:00
Matt Caswell
9ec1e03194 Add null async implementation
Create a "null" async implementation for platforms that lack support. This
just does nothing when called and therefore performs synchronously.

Reviewed-by: Rich Salz <rsalz@openssl.org>
2015-11-20 23:32:18 +00:00
Matt Caswell
5010830495 Async port to windows
Reviewed-by: Rich Salz <rsalz@openssl.org>
2015-11-20 23:32:18 +00:00