try tests

ci.sh

@@ -108,7 +108,7 @@ case $HOST_TARGET in
     MIRI_TEST_TARGET=aarch64-unknown-linux-gnu run_tests
     MIRI_TEST_TARGET=aarch64-apple-darwin run_tests
     MIRI_TEST_TARGET=i686-pc-windows-gnu run_tests
-    MIRI_TEST_TARGET=x86_64-unknown-freebsd run_tests_minimal hello integer vec panic/panic concurrency/simple atomic env/var
+    MIRI_TEST_TARGET=x86_64-unknown-freebsd run_tests_minimal hello integer vec panic/panic concurrency/simple pthreads atomic env/var
     MIRI_TEST_TARGET=aarch64-linux-android run_tests_minimal hello integer vec panic/panic
     MIRI_TEST_TARGET=wasm32-wasi run_tests_minimal no_std integer strings wasm
     MIRI_TEST_TARGET=wasm32-unknown-unknown run_tests_minimal no_std integer strings wasm

src/shims/unix/freebsd/foreign_items.rs

@@ -26,6 +26,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> {
                     this.check_shim(abi, Abi::C { unwind: false }, link_name, args)?;
                 this.write_null(dest)?;
             }
+            // Old vs new name
             "pthread_set_name_np" | "pthread_setname_np" => {
                 let [thread, name] =
                     this.check_shim(abi, Abi::C { unwind: false }, link_name, args)?;
@@ -37,6 +38,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> {
                 )?;
                 this.write_scalar(res, dest)?;
             }
+            // Old vs new name
             "pthread_get_name_np" | "pthread_getname_np" => {
                 let [thread, name, len] =
                     this.check_shim(abi, Abi::C { unwind: false }, link_name, args)?;

tests/pass-dep/shims/pthreads.rs

@@ -137,6 +137,12 @@ fn test_named_thread_truncation() {
     fn set_thread_name(name: &CStr) -> i32 {
         #[cfg(target_os = "linux")]
         return unsafe { libc::pthread_setname_np(libc::pthread_self(), name.as_ptr().cast()) };
+        #[cfg(target_os = "freebsd")]
+        unsafe {
+            libc::pthread_set_name_np(libc::pthread_self(), name.as_ptr().cast())
+        };
+        #[cfg(target_os = "freebsd")]
+        return 0;
         #[cfg(target_os = "macos")]
         return unsafe { libc::pthread_setname_np(name.as_ptr().cast()) };
     }
@@ -147,9 +153,14 @@ fn test_named_thread_truncation() {
 
         // But the system is limited -- make sure we successfully set a truncation.
         let mut buf = vec![0u8; long_name.len() + 1];
+        #[cfg(not(target_os = "freebsd"))]
         unsafe {
             libc::pthread_getname_np(libc::pthread_self(), buf.as_mut_ptr().cast(), buf.len())
         };
+        #[cfg(target_os = "freebsd")]
+        unsafe {
+            libc::pthread_get_name_np(libc::pthread_self(), buf.as_mut_ptr().cast(), buf.len())
+        };
         let cstr = CStr::from_bytes_until_nul(&buf).unwrap();
         assert!(cstr.to_bytes().len() >= 15); // POSIX seems to promise at least 15 chars
         assert!(long_name.as_bytes().starts_with(cstr.to_bytes()));