--- build/amd64/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/single-instance-0.3.3/src/lib.rs.orig	1973-11-29 16:33:09.000000000 -0500
+++ build/amd64/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/single-instance-0.3.3/src/lib.rs	2025-04-03 16:53:11.007308785 -0400
@@ -22,7 +22,7 @@
 
 pub mod error;
 
-#[cfg(target_os = "macos")]
+#[cfg(any(target_os = "macos", target_os = "illumos"))]
 extern crate libc;
 #[cfg(target_os = "linux")]
 extern crate nix;
@@ -169,6 +169,46 @@
                 Ok(Self {
                     _file: file,
                     is_single,
+                })
+            }
+        }
+
+        /// Returns whether this instance is single.
+        pub fn is_single(&self) -> bool {
+            self.is_single
+        }
+    }
+}
+
+#[cfg(target_os = "illumos")]
+mod inner {
+    use error::Result;
+    use libc::{___errno, flock, EWOULDBLOCK, LOCK_EX, LOCK_NB};
+    use std::fs::File;
+    use std::os::unix::io::AsRawFd;
+    use std::path::Path;
+
+    /// A struct representing one running instance.
+    pub struct SingleInstance {
+        _file: File,
+        is_single: bool,
+    }
+
+    impl SingleInstance {
+        /// Returns a new SingleInstance object.
+        pub fn new(name: &str) -> Result<Self> {
+            let path = Path::new(name);
+            let file = if path.exists() {
+                File::open(path)?
+            } else {
+                File::create(path)?
+            };
+            unsafe {
+                let rc = flock(file.as_raw_fd(), LOCK_EX | LOCK_NB);
+                let is_single = rc == 0 || EWOULDBLOCK != *___errno();
+                Ok(Self {
+                    _file: file,
+                    is_single,
                 })
             }
         }
--- build/amd64/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/single-instance-0.3.3/src/error.rs.orig	1973-11-29 16:33:09.000000000 -0500
+++ build/amd64/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/single-instance-0.3.3/src/error.rs	2025-04-03 16:19:56.443021509 -0400
@@ -6,7 +6,7 @@
     #[error("new abstract addr error")]
     Nix(#[from] nix::Error),
 
-    #[cfg(target_os = "macos")]
+    #[cfg(any(target_os = "macos", target_os = "illumos"))]
     #[error("file open or create error")]
     Io(#[from] std::io::Error),
 
@@ -19,4 +19,4 @@
     MutexError(u32),
 }
 
-pub type Result<T> = std::result::Result<T, SingleInstanceError>;
\ No newline at end of file
+pub type Result<T> = std::result::Result<T, SingleInstanceError>;