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Make additional types Send + Sync #43

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Make additional types Send + Sync #43

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2 changes: 1 addition & 1 deletion libffi-rs/src/high/types.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,7 @@ use super::super::middle;
#[derive(Clone, Debug)]
pub struct Type<T> {
untyped: middle::Type,
_marker: PhantomData<*mut T>,
_marker: PhantomData<fn() -> T>,
}

impl<T> Type<T> {
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3 changes: 3 additions & 0 deletions libffi-rs/src/middle/mod.rs
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Expand Up @@ -82,6 +82,9 @@ pub struct Cif {
result: Type,
}

unsafe impl Send for Cif {}
unsafe impl Sync for Cif {}

// To clone a Cif we need to clone the types and then make sure the new
// ffi_cif refers to the clones of the types.
impl Clone for Cif {
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6 changes: 6 additions & 0 deletions libffi-rs/src/middle/types.rs
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Expand Up @@ -52,12 +52,18 @@ type Owned<T> = T;
/// ```
pub struct Type(Unique<low::ffi_type>);

unsafe impl Send for Type {}
unsafe impl Sync for Type {}

/// Represents a sequence of C types.
///
/// This can be used to construct a struct type or as the arguments
/// when creating a [`Cif`].
pub struct TypeArray(Unique<*mut low::ffi_type>);

unsafe impl Send for TypeArray {}
unsafe impl Sync for TypeArray {}

impl fmt::Debug for Type {
fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
formatter.write_fmt(format_args!("Type({:?})", *self.0))
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