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authorAlbert Larsan <74931857+albertlarsan68@users.noreply.github.com>2023-01-05 09:13:28 +0100
committerAlbert Larsan <74931857+albertlarsan68@users.noreply.github.com>2023-01-11 09:32:08 +0000
commitcf2dff2b1e3fa55fa5415d524200070d0d7aacfe (patch)
tree40a88d9a46aaf3e8870676eb2538378b75a263eb /tests/ui/attributes/unix_sigpipe/auxiliary/sigpipe-utils.rs
parentca855e6e42787ecd062d81d53336fe6788ef51a9 (diff)
downloadrust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.tar.gz
rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.zip
Move /src/test to /tests
Diffstat (limited to 'tests/ui/attributes/unix_sigpipe/auxiliary/sigpipe-utils.rs')
-rw-r--r--tests/ui/attributes/unix_sigpipe/auxiliary/sigpipe-utils.rs33
1 files changed, 33 insertions, 0 deletions
diff --git a/tests/ui/attributes/unix_sigpipe/auxiliary/sigpipe-utils.rs b/tests/ui/attributes/unix_sigpipe/auxiliary/sigpipe-utils.rs
new file mode 100644
index 00000000000..74fbae0350e
--- /dev/null
+++ b/tests/ui/attributes/unix_sigpipe/auxiliary/sigpipe-utils.rs
@@ -0,0 +1,33 @@
+#![feature(rustc_private)]
+extern crate libc;
+
+/// So tests don't have to bring libc in scope themselves
+pub enum SignalHandler {
+    Ignore,
+    Default,
+}
+
+/// Helper to assert that [`libc::SIGPIPE`] has the expected signal handler.
+pub fn assert_sigpipe_handler(expected_handler: SignalHandler) {
+    #[cfg(unix)]
+    #[cfg(not(any(
+        target_os = "emscripten",
+        target_os = "fuchsia",
+        target_os = "horizon",
+        target_os = "android",
+    )))]
+    {
+        let prev = unsafe { libc::signal(libc::SIGPIPE, libc::SIG_IGN) };
+
+        let expected = match expected_handler {
+            SignalHandler::Ignore => libc::SIG_IGN,
+            SignalHandler::Default => libc::SIG_DFL,
+        };
+        assert_eq!(prev, expected, "expected sigpipe value matches actual value");
+
+        // Unlikely to matter, but restore the old value anyway
+        unsafe {
+            libc::signal(libc::SIGPIPE, prev);
+        };
+    }
+}