net: move into tokio crate (#1683)

A step towards collapsing Tokio sub crates into a single `tokio`
crate (#1318).

The `net` implementation is now provided by the main `tokio` crate.
Functionality can be opted out of by using the various net related
feature flags.

1 files changed, 7 insertions, 0 deletions

diff --git a/tokio/tests/support/signal.rs b/tokio/tests/support/signal.rs
new file mode 100644
index 00000000..ea060587
--- /dev/null
+++ b/tokio/tests/support/signal.rs
@@ -0,0 +1,7 @@
+pub fn send_signal(signal: libc::c_int) {
+    use libc::{getpid, kill};
+
+    unsafe {
+        assert_eq!(kill(getpid(), signal), 0);
+    }
+}