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-rw-r--r--third_party/rust/nix/test/sys/test_signal.rs98
1 files changed, 98 insertions, 0 deletions
diff --git a/third_party/rust/nix/test/sys/test_signal.rs b/third_party/rust/nix/test/sys/test_signal.rs
new file mode 100644
index 0000000000..f5e4dfd9eb
--- /dev/null
+++ b/third_party/rust/nix/test/sys/test_signal.rs
@@ -0,0 +1,98 @@
+use libc;
+use nix::Error;
+use nix::sys::signal::*;
+use nix::unistd::*;
+use std::sync::atomic::{AtomicBool, Ordering};
+
+#[test]
+fn test_kill_none() {
+ kill(getpid(), None).expect("Should be able to send signal to myself.");
+}
+
+#[test]
+fn test_old_sigaction_flags() {
+ extern "C" fn handler(_: ::libc::c_int) {}
+ let act = SigAction::new(
+ SigHandler::Handler(handler),
+ SaFlags::empty(),
+ SigSet::empty(),
+ );
+ let oact = unsafe { sigaction(SIGINT, &act) }.unwrap();
+ let _flags = oact.flags();
+ let oact = unsafe { sigaction(SIGINT, &act) }.unwrap();
+ let _flags = oact.flags();
+}
+
+#[test]
+fn test_sigprocmask_noop() {
+ sigprocmask(SigmaskHow::SIG_BLOCK, None, None)
+ .expect("this should be an effective noop");
+}
+
+#[test]
+fn test_sigprocmask() {
+ let _m = ::SIGNAL_MTX.lock().expect("Mutex got poisoned by another test");
+
+ // This needs to be a signal that rust doesn't use in the test harness.
+ const SIGNAL: Signal = Signal::SIGCHLD;
+
+ let mut old_signal_set = SigSet::empty();
+ sigprocmask(SigmaskHow::SIG_BLOCK, None, Some(&mut old_signal_set))
+ .expect("expect to be able to retrieve old signals");
+
+ // Make sure the old set doesn't contain the signal, otherwise the following
+ // test don't make sense.
+ assert_eq!(old_signal_set.contains(SIGNAL), false,
+ "the {:?} signal is already blocked, please change to a \
+ different one", SIGNAL);
+
+ // Now block the signal.
+ let mut signal_set = SigSet::empty();
+ signal_set.add(SIGNAL);
+ sigprocmask(SigmaskHow::SIG_BLOCK, Some(&signal_set), None)
+ .expect("expect to be able to block signals");
+
+ // And test it again, to make sure the change was effective.
+ old_signal_set.clear();
+ sigprocmask(SigmaskHow::SIG_BLOCK, None, Some(&mut old_signal_set))
+ .expect("expect to be able to retrieve old signals");
+ assert_eq!(old_signal_set.contains(SIGNAL), true,
+ "expected the {:?} to be blocked", SIGNAL);
+
+ // Reset the signal.
+ sigprocmask(SigmaskHow::SIG_UNBLOCK, Some(&signal_set), None)
+ .expect("expect to be able to block signals");
+}
+
+lazy_static! {
+ static ref SIGNALED: AtomicBool = AtomicBool::new(false);
+}
+
+extern fn test_sigaction_handler(signal: libc::c_int) {
+ let signal = Signal::from_c_int(signal).unwrap();
+ SIGNALED.store(signal == Signal::SIGINT, Ordering::Relaxed);
+}
+
+extern fn test_sigaction_action(_: libc::c_int, _: *mut libc::siginfo_t, _: *mut libc::c_void) {
+}
+
+#[test]
+fn test_signal() {
+ let _m = ::SIGNAL_MTX.lock().expect("Mutex got poisoned by another test");
+
+ unsafe { signal(Signal::SIGINT, SigHandler::SigIgn) }.unwrap();
+ raise(Signal::SIGINT).unwrap();
+ assert_eq!(unsafe { signal(Signal::SIGINT, SigHandler::SigDfl) }.unwrap(), SigHandler::SigIgn);
+
+ let handler = SigHandler::Handler(test_sigaction_handler);
+ assert_eq!(unsafe { signal(Signal::SIGINT, handler) }.unwrap(), SigHandler::SigDfl);
+ raise(Signal::SIGINT).unwrap();
+ assert!(SIGNALED.load(Ordering::Relaxed));
+ assert_eq!(unsafe { signal(Signal::SIGINT, SigHandler::SigDfl) }.unwrap(), handler);
+
+ let action_handler = SigHandler::SigAction(test_sigaction_action);
+ assert_eq!(unsafe { signal(Signal::SIGINT, action_handler) }.unwrap_err(), Error::UnsupportedOperation);
+
+ // Restore default signal handler
+ unsafe { signal(Signal::SIGINT, SigHandler::SigDfl) }.unwrap();
+}