ivila opened a new pull request, #328:
URL: https://github.com/apache/teaclave-trustzone-sdk/pull/328
Two related `optee-teec` fixes:
1. **Correct `ConnectionMethods` login-code mapping.**
`ConnectionMethods` previously derived its discriminants implicitly, but
`TEEC_LOGIN_APPLICATION`, `TEEC_LOGIN_USER_APPLICATION` and
`TEEC_LOGIN_GROUP_APPLICATION` are `0x4`, `0x5`, `0x6` (there is no
`0x3`),
so `login as u32` could pass a non-existent login code to
`TEEC_OpenSession`. The variants are now pinned to the `TEEC_LOGIN_*`
constants with `#[repr(u32)]` and `num_enum`, with an `Unknown(u32)`
catch-all and a round-trip unit test covering every constant.
2. **Remove hand-written `Send`/`Sync` from `Context` and `Session`.**
- `Context` now holds `Arc<Mutex<InnerContext>>`, which is automatically
`Send + Sync` because `raw::TEEC_Context` contains only scalars.
- `Session` stores the opaque handle in a private
`RawTeecSession(raw::TEEC_Session)` wrapper. A single, documented
`unsafe impl Send` lives on that wrapper; `Session` itself is derived.
- The raw handle is kept opaque and `optee-teec-sys` is untouched.
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