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Rollup merge of - ChrisDenton:dont-panic, r=JohnTitor

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Windows: No panic if function not (yet) available

In some situations (e.g. ) it is possible for required functions to be called before they've had a chance to be loaded. Therefore, we make it possible to recover from this situation simply by looking at error codes.

`@rustbot` label +O-windows
This commit is contained in:
Dylan DPC 2022-06-17 12:21:48 +02:00 committed by GitHub
commit 7eabfb5fa7
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1 changed files with 5 additions and 4 deletions

9
library/std/src/sys/windows/c.rs

@ -276,6 +276,7 @@ pub const STATUS_INVALID_PARAMETER: NTSTATUS = 0xc000000d_u32 as _;
pub const STATUS_PENDING: NTSTATUS = 0x103 as _;
pub const STATUS_END_OF_FILE: NTSTATUS = 0xC0000011_u32 as _;
pub const STATUS_NOT_IMPLEMENTED: NTSTATUS = 0xC0000002_u32 as _;
// Equivalent to the `NT_SUCCESS` C preprocessor macro.
// See: https://docs.microsoft.com/en-us/windows-hardware/drivers/kernel/using-ntstatus-values
@ -1264,7 +1265,7 @@ compat_fn! {
EaBuffer: *mut c_void,
EaLength: ULONG
) -> NTSTATUS {
panic!("`NtCreateFile` not available");
STATUS_NOT_IMPLEMENTED
}
pub fn NtReadFile(
FileHandle: BorrowedHandle<'_>,
@ -1277,7 +1278,7 @@ compat_fn! {
ByteOffset: Option<&LARGE_INTEGER>,
Key: Option<&ULONG>
) -> NTSTATUS {
panic!("`NtReadFile` not available");
STATUS_NOT_IMPLEMENTED
}
pub fn NtWriteFile(
FileHandle: BorrowedHandle<'_>,
@ -1290,12 +1291,12 @@ compat_fn! {
ByteOffset: Option<&LARGE_INTEGER>,
Key: Option<&ULONG>
) -> NTSTATUS {
panic!("`NtWriteFile` not available");
STATUS_NOT_IMPLEMENTED
}
pub fn RtlNtStatusToDosError(
Status: NTSTATUS
) -> ULONG {
panic!("`RtlNtStatusToDosError` not available");
Status as ULONG
}
pub fn NtCreateKeyedEvent(
KeyedEventHandle: LPHANDLE,