ipc::transport::struc::Channel API now formally allows concurrent calls of its APIs on the same object including .sync_request(). .sync_request()s will execute fully serially, even if a blocking-wait is necessary; but any other call during a .sync_request() blocking-wait shall execute immediately. / ipc::session::shm::arena_lend::jemalloc::Shm_session internal improvement (no effect on functionality).
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…now formally allows concurrent calls of its APIs on the same object including `.sync_request()`. `.sync_request()`s will execute fully serially, even if a blocking-wait is necessary; but any other call during a `.sync_request()` blocking-wait shall execute immediately.> <ipc_sal: `ipc::session::shm::arena_lend::jemalloc::Shm_session` internal improvement (no effect on functionality). (Impl: No need to explicitly synchronize the internal-channel `.sync_request()` calls, as the `Channel` API now guarantees this itself.)>
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fixes Flow-IPC/ipc_shm_arena_lend#61
API notes
ipc::transport::struc::Channelmethods now all safe for mutually concurrent execution on the same object (was only the case for certain accessors and.create_msg()previously).X.sync_request()blocking-wait, all (non-blocking) methods onXshall execute immediately.X.sync_request()shall be blocked until the blocking-wait finishes.Impl notes
.sync_request()calls, as theChannelAPI now guarantees this itself.To code reviewer
Forgoing code review, because submodule PRs already reviewed.