amoeba commented on code in PR #3844:
URL: https://github.com/apache/arrow-adbc/pull/3844#discussion_r2654327956
##########
rust/driver_manager/src/lib.rs:
##########
@@ -381,6 +384,22 @@ impl ManagedDriver {
let default_entrypoint = get_default_entrypoint(filename.as_ref());
let entrypoint = entrypoint.unwrap_or(default_entrypoint.as_bytes());
+ // By default, go builds the libraries with '-Wl -z nodelete' which
does not
+ // unload the go runtime. This isn't respected on mac (
https://github.com/golang/go/issues/11100#issuecomment-932638093 )
+ // so we need to explicitly load the library with RTLD_NODELETE( which
prevents unloading )
+ #[cfg(target_os = "macos")]
+ let library: libloading::Library = unsafe {
+ const RTLD_LAZY: i32 = 0x1;
+ const RTLD_LOCAL: i32 = 0x4;
+ const RTLD_NODELETE: i32 = 0x80;
Review Comment:
Yeah. Only those two, but not `RTLD_NODELETE`. I don't feel super stressed
about hard-coding them here to avoid taking on libc as a dep.
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