[PATCH 18/86] gnu: Add rust-thread-id.

[ng0]

* gnu/packages/rust.scm (rust-thread-id): New variable.
---
 gnu/packages/rust.scm | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/gnu/packages/rust.scm b/gnu/packages/rust.scm
index 9893e5a72..b31b3ee4c 100644
--- a/gnu/packages/rust.scm
+++ b/gnu/packages/rust.scm
@@ -629,3 +629,29 @@ behave like bitflags.")
      "Unreachable provides an unreachable code optimization hint in
 stable rust, and some useful extension traits for @code{Option} and 
@code{Result}.")
     (license license:expat)))
+
+(define-public rust-thread-id
+  (package
+    (name "rust-thread-id")
+    (version "3.0.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "thread-id" version))
+       (file-name
+        (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0jn13q459lz46l9r8qqy62ngzc9zbcw5p6k282g143f7b1swjds4"))))
+    (build-system cargo-build-system)
+    (inputs
+     `(;("rust-kernel32-sys" ,rust-kernel32-sys "src") ; WINAPI
+       ("rust-libc" ,rust-libc "src")))
+    (home-page "https://github.com/ruuda/thread-id";)
+    (synopsis "Get a unique thread ID")
+    (description
+     "For diagnostics and debugging it can often be useful to get an ID
+that is different for every thread.  Until Rust version 1.14, the
+standard library did not expose a way to do that, which
+made @code{thread-id} necessary.")
+    (license license:asl2.0)))
-- 
2.11.0