linux-kernel - [PATCH] rust: task: make Pid type alias public

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Message-ID: <20250130-task-pid-pub-v1-1-508808bcfcdc@google.com>
Date: Thu, 30 Jan 2025 11:21:38 +0000
From: Alice Ryhl <aliceryhl@...gle.com>
To: Miguel Ojeda <ojeda@...nel.org>
Cc: Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>, 
	"Björn Roy Baron" <bjorn3_gh@...tonmail.com>, Benno Lossin <benno.lossin@...ton.me>, 
	Andreas Hindborg <a.hindborg@...nel.org>, Trevor Gross <tmgross@...ch.edu>, 
	rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Alice Ryhl <aliceryhl@...gle.com>
Subject: [PATCH] rust: task: make Pid type alias public

The Pid type alias represents the integer type used for pids in the
kernel. It's the Rust equivalent to pid_t, and there are various methods
on Task that use Pid as the return type.

Binder needs to use Pid as the type for function arguments and struct
fields in many places. Thus, make the type public so that Binder can
access it.

Signed-off-by: Alice Ryhl <aliceryhl@...gle.com>
---
 rust/kernel/task.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rust/kernel/task.rs b/rust/kernel/task.rs
index 07bc22a7645c..49012e711942 100644
--- a/rust/kernel/task.rs
+++ b/rust/kernel/task.rs
@@ -106,7 +106,7 @@ unsafe impl Send for Task {}
 unsafe impl Sync for Task {}
 
 /// The type of process identifiers (PIDs).
-type Pid = bindings::pid_t;
+pub type Pid = bindings::pid_t;
 
 /// The type of user identifiers (UIDs).
 #[derive(Copy, Clone)]

---
base-commit: ceff0757f5dafb5be5205988171809c877b1d3e3
change-id: 20250130-task-pid-pub-484458aec19b

Best regards,
-- 
Alice Ryhl <aliceryhl@...gle.com>