Method open

libs/darwin-kperf/sys/src/load.rs:102–112

Loads the dynamic library at `path` with `RTLD_LAZY` binding. Returns a handle that keeps the library mapped until it is closed or dropped. # Errors Returns [`LoadError`] if the library cannot be loaded.

(path: &CStr)

    ///
    /// Returns [`LoadError`] if the library cannot be loaded.
    pub fn open(path: &CStr) -> Result<Self, LoadError> {
        // SAFETY: `path` is a valid, null-terminated C string.
        let ptr = unsafe { dlopen(path.as_ptr(), RTLD_LAZY) };
        let Some(ptr) = NonNull::new(ptr) else {
            // SAFETY: `dlerror` is guaranteed to return a valid C string
            let message = unsafe { CStr::from_ptr(dlerror()).to_owned() };
            return Err(LoadError { message });
        };

        Ok(Self(Some(ptr)))
    }

    /// Resolves a named symbol from the loaded library.
    ///