1 files changed, 60 insertions, 0 deletions
diff --git a/test/sys/test_ptrace.rs b/test/sys/test_ptrace.rs
index b875e323..cb2f04e9 100644
--- a/test/sys/test_ptrace.rs
+++ b/test/sys/test_ptrace.rs
@@ -112,3 +112,63 @@ fn test_ptrace_cont() {
         },
     }
 }
+
+// ptrace::{setoptions, getregs} are only available in these platforms
+#[cfg(all(target_os = "linux",
+          any(target_arch = "x86_64",
+              target_arch = "x86"),
+          target_env = "gnu"))]
+#[test]
+fn test_ptrace_syscall() {
+    use nix::sys::signal::kill;
+    use nix::sys::ptrace;
+    use nix::sys::signal::Signal;
+    use nix::sys::wait::{waitpid, WaitStatus};
+    use nix::unistd::fork;
+    use nix::unistd::getpid;
+    use nix::unistd::ForkResult::*;
+
+    let _m = ::FORK_MTX.lock().expect("Mutex got poisoned by another test");
+
+    match fork().expect("Error: Fork Failed") {
+        Child => {
+            ptrace::traceme().unwrap();
+            // first sigstop until parent is ready to continue
+            let pid = getpid();
+            kill(pid, Signal::SIGSTOP).unwrap();
+            kill(pid, Signal::SIGTERM).unwrap();
+            unsafe { ::libc::_exit(0); }
+        },
+
+        Parent { child } => {
+            assert_eq!(waitpid(child, None), Ok(WaitStatus::Stopped(child, Signal::SIGSTOP)));
+
+            // set this option to recognize syscall-stops
+            ptrace::setoptions(child, ptrace::Options::PTRACE_O_TRACESYSGOOD).unwrap();
+
+            #[cfg(target_pointer_width = "64")]
+            let get_syscall_id = || ptrace::getregs(child).unwrap().orig_rax as i64;
+
+            #[cfg(target_pointer_width = "32")]
+            let get_syscall_id = || ptrace::getregs(child).unwrap().orig_eax as i32;
+
+            // kill entry
+            ptrace::syscall(child, None).unwrap();
+            assert_eq!(waitpid(child, None), Ok(WaitStatus::PtraceSyscall(child)));
+            assert_eq!(get_syscall_id(), ::libc::SYS_kill);
+
+            // kill exit
+            ptrace::syscall(child, None).unwrap();
+            assert_eq!(waitpid(child, None), Ok(WaitStatus::PtraceSyscall(child)));
+            assert_eq!(get_syscall_id(), ::libc::SYS_kill);
+
+            // receive signal
+            ptrace::syscall(child, None).unwrap();
+            assert_eq!(waitpid(child, None), Ok(WaitStatus::Stopped(child, Signal::SIGTERM)));
+
+            // inject signal
+            ptrace::syscall(child, Signal::SIGTERM).unwrap();
+            assert_eq!(waitpid(child, None), Ok(WaitStatus::Signaled(child, Signal::SIGTERM, false)));
+        },
+    }
+}