| commit | c229a153c9c530597985ece81a4e677989468992 | [log] [tgz] |
|---|---|---|
| author | global-integration-roller <global-integration-roller@fuchsia.infra.roller.fuchsia-infra.iam.gserviceaccount.com> | Thu May 04 03:08:55 2023 +0000 |
| committer | Copybara-Service <copybara-worker@google.com> | Wed May 03 20:09:56 2023 -0700 |
| tree | 4a9efbf8ad78a743132032c34c424bb2cbc28f1d | |
| parent | 1fbfe20fbfc16ff53982184c3e96004dcbb9c15c [diff] |
[roll] Roll fuchsia [superproject] Roll llvm-project/libc [libc][rpc] Simplify mailbox state tracking
Removes the redundant Ack/Data bit manipulation.
Represents the inbox/outbox state with one bit instead of two. This will
be useful if we change to a packed representation and otherwise cuts the
runtime state space from 16 to 4.
Further simplification is possible, this patch is intentionally minimal.
- can_{send,recv}_data are now in == out
- {client,server}::try_open can be factored into Process:try_open
This implements the state machine of D148191, modulo differences in atomic
ordering and fences.
Reviewed By: jhuber6
Differential Revision: https://reviews.llvm.org/D149788
GitOrigin-RevId: 655d265b5568f0bd56aa994c7bbafe0b042c01a3
Original-Revision: cd8e96af8b3b58738c7f1c7d7108b8ee19040d50
Roller-URL: https://ci.chromium.org/b/8782062627437315201
CQ-Do-Not-Cancel-Tryjobs: true
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/852157
Original-Revision: 81b6fbbb5c45236ab515074032a4d53df358df79
Change-Id: Ic6ac09d323a10701c47d736330d4dd5c01f7ca7d
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