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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:06:31 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:06:31 +0000
commit2ff14448863ac1a1dd9533461708e29aae170c2d (patch)
tree85b9fea2bbfe3f06473cfa381eed11f273b57c5c /src/test/ui/attributes/unix_sigpipe/auxiliary/sigpipe-utils.rs
parentAdding debian version 1.64.0+dfsg1-1. (diff)
downloadrustc-2ff14448863ac1a1dd9533461708e29aae170c2d.tar.xz
rustc-2ff14448863ac1a1dd9533461708e29aae170c2d.zip
Adding debian version 1.65.0+dfsg1-2.debian/1.65.0+dfsg1-2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--src/test/ui/attributes/unix_sigpipe/auxiliary/sigpipe-utils.rs31
1 files changed, 31 insertions, 0 deletions
diff --git a/src/test/ui/attributes/unix_sigpipe/auxiliary/sigpipe-utils.rs b/src/test/ui/attributes/unix_sigpipe/auxiliary/sigpipe-utils.rs
new file mode 100644
index 000000000..e8b4fe7ae
--- /dev/null
+++ b/src/test/ui/attributes/unix_sigpipe/auxiliary/sigpipe-utils.rs
@@ -0,0 +1,31 @@
+#![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);
+
+ // Unlikely to matter, but restore the old value anyway
+ unsafe { libc::signal(libc::SIGPIPE, prev); };
+ }
+}