diff options
Diffstat (limited to 'library/std/src/sys/uefi/helpers.rs')
| -rw-r--r-- | library/std/src/sys/uefi/helpers.rs | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/library/std/src/sys/uefi/helpers.rs b/library/std/src/sys/uefi/helpers.rs index 126661bfc96..9837cc89f2d 100644 --- a/library/std/src/sys/uefi/helpers.rs +++ b/library/std/src/sys/uefi/helpers.rs @@ -139,3 +139,10 @@ pub(crate) unsafe fn close_event(evt: NonNull<crate::ffi::c_void>) -> io::Result if r.is_error() { Err(crate::io::Error::from_raw_os_error(r.as_usize())) } else { Ok(()) } } + +/// Get the Protocol for current system handle. +/// Note: Some protocols need to be manually freed. It is the callers responsibility to do so. +pub(crate) fn image_handle_protocol<T>(protocol_guid: Guid) -> Option<NonNull<T>> { + let system_handle = uefi::env::try_image_handle()?; + open_protocol(system_handle, protocol_guid).ok() +} |