Make foreign calls work outside of tasks. #4451

1 files changed, 24 insertions, 0 deletions

diff --git a/src/test/run-pass/foreign-call-no-runtime.rs b/src/test/run-pass/foreign-call-no-runtime.rs
new file mode 100644
index 00000000000..865aa775362
--- /dev/null
+++ b/src/test/run-pass/foreign-call-no-runtime.rs
@@ -0,0 +1,24 @@
+use core::private::run_in_bare_thread;
+
+extern {
+    pub fn rust_dbg_call(cb: *u8,
+                         data: libc::uintptr_t) -> libc::uintptr_t;
+}
+
+pub fn main() {
+    unsafe {
+        do run_in_bare_thread() {
+            unsafe {
+                let i = &100;
+                rust_dbg_call(callback, cast::transmute(i));
+            }
+        }
+    }
+}
+
+extern fn callback(data: libc::uintptr_t) {
+    unsafe {
+        let data: *int = cast::transmute(data);
+        assert *data == 100;
+    }
+}
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