Add APIs that use task_id_token_t

Author: madsmtm

Cargo.lock

@@ -14,8 +14,10 @@ watchos = "2.0"
 visionos = "1.0"
 gnustep = true
 
-# HACK: Define `task_port_t` in the using crate (it's a simple alias to `task_t`).
+# HACK: Define `task_port_t` and `task_id_token_t` in the using crate
+# These are simple aliases to `task_t` and `mach_port_t` respectively.
 external.task_port_t.module = "__builtin__"
+external.task_id_token_t.module = "__builtin__"
 
 # Redefined by CoreFoundation with a name that makes it hard to see
 # that this is `libc::malloc_zone_t`.

crates/header-translator/configs/libc.toml

@@ -30,3 +30,8 @@ pub use self::io_surface::IOSurfaceRef;
 pub(crate) type Boolean = u8;
 #[allow(dead_code)]
 pub(crate) type OSType = u32;
+
+// mach/mach_types.h
+#[allow(dead_code, non_camel_case_types)]
+#[cfg(feature = "libc")]
+pub(crate) type task_id_token_t = libc::mach_port_t;

framework-crates/objc2-io-surface/src/lib.rs

@@ -16,9 +16,6 @@ visionos = "1.0"
 fn.IOSurfaceCreateXPCObject.skipped = true
 fn.IOSurfaceLookupFromXPCObject.skipped = true
 
-# Needs task_id_token_t
-fn.IOSurfaceSetOwnershipIdentity.skipped = true
-
 # Defined in other crates too, so needs manual definition
 typedef.IOSurfaceRef.renamed = "IOSurfaceRef" # TODO: Merge IOSurface and IOSurfaceRef somehow
 typedef.IOSurfaceRef.skipped = true
@@ -39,3 +36,7 @@ class.IOSurface.methods."unlockWithOptions:seed:".unsafe = false
 # TODO(breaking): Maybe mark as `unsafe`? Takes `AnyObject` generic.
 class.IOSurface.methods."initWithProperties:".unsafe = false
 class.IOSurface.methods."setAllAttachments:".unsafe = false
+
+# Unsure if `task_id_token_t` means that this remaps the underlying memory
+# somehow?
+fn.IOSurfaceSetOwnershipIdentity.unsafe = true

framework-crates/objc2-io-surface/translation-config.toml

@@ -128,3 +128,8 @@ pub use self::slice::MTLRenderCommandEncoderSliceExt;
 pub use self::texture::*;
 #[cfg(feature = "MTLTypes")]
 pub use self::types::MTLResourceID;
+
+// mach/mach_types.h
+#[allow(dead_code, non_camel_case_types)]
+#[cfg(feature = "libc")]
+pub(crate) type task_id_token_t = libc::mach_port_t;

framework-crates/objc2-metal/Cargo.toml

@@ -15,9 +15,6 @@ class.MTLRasterizationRateLayerDescriptor.methods.sampleCount.skipped = true
 # Swift also handles this differently.
 class.MTLRasterizationRateMapDescriptor.methods."rasterizationRateMapDescriptorWithScreenSize:layerCount:layers:".arguments.2.bounds = { counted-by = "layerCount" }
 
-# Needs mach / kernel types
-protocol.MTLResource.methods."setOwnerWithIdentity:".skipped = true
-
 # Has a union field, but we'd rather have it as just a struct
 struct._MTLPackedFloat3.skipped = true
 typedef.MTLPackedFloat3.skipped = true
@@ -284,3 +281,7 @@ class.MTLTextureDescriptor.methods."setSampleCount:".unsafe = true
 class.MTLTextureDescriptor.methods."setArrayLength:".unsafe = true
 class.MTLComputePipelineDescriptor.methods."setThreadGroupSizeIsMultipleOfThreadExecutionWidth:".unsafe = true
 protocol.MTLComputePipelineState.methods."imageblockMemoryLengthForDimensions:".unsafe = true
+
+# Documentation says something about memory ownership, which might not be safe
+# from Rust's AM?
+protocol.MTLResource.methods."setOwnerWithIdentity:".unsafe = true