Lines Matching defs:ptr

15 use core::ptr::{self, NonNull};
39 /// fn set_clear_cpu(ptr: *mut bindings::cpumask, set_cpu: CpuId, clear_cpu: CpuId) {
40 ///     // SAFETY: The `ptr` is valid for writing and remains valid for the lifetime of the
42 ///     let mask = unsafe { Cpumask::as_mut_ref(ptr) };
56     /// The caller must ensure that `ptr` is valid for writing and remains valid for the lifetime
58     pub unsafe fn as_mut_ref<'a>(ptr: *mut bindings::cpumask) -> &'a mut Self {
61         // INVARIANT: The caller ensures that `ptr` is valid for writing and remains valid for the
63         unsafe { &mut *ptr.cast() }
70     /// The caller must ensure that `ptr` is valid for reading and remains valid for the lifetime
72     pub unsafe fn as_ref<'a>(ptr: *const bindings::cpumask) -> &'a Self {
75         // INVARIANT: The caller ensures that `ptr` is valid for reading and remains valid for the
77         unsafe { &*ptr.cast() }
218     ptr: NonNull<Cpumask>,
228             ptr: {
229                 let mut ptr: *mut bindings::cpumask = ptr::null_mut();
231                 // SAFETY: It is safe to call this method as the reference to `ptr` is valid.
235                 unsafe { bindings::zalloc_cpumask_var(&mut ptr, _flags.as_raw()) };
236                 NonNull::new(ptr.cast()).ok_or(AllocError)?
253             ptr: {
254                 let mut ptr: *mut bindings::cpumask = ptr::null_mut();
256                 // SAFETY: It is safe to call this method as the reference to `ptr` is valid.
260                 unsafe { bindings::alloc_cpumask_var(&mut ptr, _flags.as_raw()) };
261                 NonNull::new(ptr.cast()).ok_or(AllocError)?
272     /// The caller must ensure that `ptr` is valid for writing and remains valid for the lifetime
274     pub unsafe fn from_raw_mut<'a>(ptr: *mut bindings::cpumask_var_t) -> &'a mut Self {
277         // INVARIANT: The caller ensures that `ptr` is valid for writing and remains valid for the
279         unsafe { &mut *ptr.cast() }
286     /// The caller must ensure that `ptr` is valid for reading and remains valid for the lifetime
288     pub unsafe fn from_raw<'a>(ptr: *const bindings::cpumask_var_t) -> &'a Self {
291         // INVARIANT: The caller ensures that `ptr` is valid for reading and remains valid for the
293         unsafe { &*ptr.cast() }
313         unsafe { &*self.ptr.as_ptr() }
326         unsafe { self.ptr.as_mut() }