{"record":{"id":"81ac9c82d10fb29d","repo":"oven-sh/bun","slug":"unexpected-error-while-reloading-process","errorCode":null,"errorMessage":"Unexpected error while reloading process\n","messagePattern":"Unexpected error while reloading process\n","errorType":"panic","errorClass":null,"httpStatus":null,"severity":"error","filePath":"src/bun_core/util.rs","lineNumber":4440,"sourceCode":"            safe fn TerminateProcess(h: *mut core::ffi::c_void, code: u32) -> i32;\n        }\n        // = 3224497970. Parent\n        // watcher-manager compares the child's exit code against exactly this.\n        const WATCHER_RELOAD_EXIT: u32 = 0xC031_EF32;\n        let rc = TerminateProcess(GetCurrentProcess(), WATCHER_RELOAD_EXIT);\n        if rc == 0 {\n            let err = GetLastError();\n            if may_return {\n                crate::output::err_generic(\"Failed to reload process: {}\", (err,));\n                return;\n            }\n            panic!(\"Error while reloading process: {}\", err);\n        } else {\n            if may_return {\n                crate::output::err_generic(\"Failed to reload process\", ());\n                return;\n            }\n            panic!(\"Unexpected error while reloading process\\n\");\n        }\n    }\n\n    #[cfg(unix)]\n    // SAFETY: FFI calls receive only locally-built NUL-terminated argv/envp arrays; on success\n    // `execve` never returns, on failure errno is read. No borrowed Rust state observed after.\n    unsafe {\n        {\n            unsafe extern \"C\" {\n                safe fn on_before_reload_process_posix();\n            }\n            on_before_reload_process_posix();\n        }\n\n        // We clone argv so that the memory address isn't the same as the libc one.\n        let args = argv_storage();\n        let dupe_argv: Vec<ZBox> = args\n            .iter()","sourceCodeStart":4422,"sourceCodeEnd":4458,"githubUrl":"https://github.com/oven-sh/bun/blob/8c5296ac459e8252d3cd702f3fbcbb0c249d95d5/src/bun_core/util.rs#L4422-L4458","documentation":"Error \"Unexpected error while reloading process\n\" thrown in oven-sh/bun.","triggerScenarios":"Thrown at src/bun_core/util.rs:4440 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"8c5296ac459e8252d3cd702f3fbcbb0c249d95d5","analyzedAt":"2026-08-16T08:01:58.794Z","schemaVersion":2},"datasetVersion":"2026-08-16T08:17:34.114Z"}