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author | 2024-09-26 19:23:41 +0000 | |
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committer | 2024-09-26 19:23:41 +0000 | |
commit | f3e2d36d6455e6d16aba833bdf64806377c8178f (patch) | |
tree | 8a1e87f349205e8073b72df6e5349c553db80a17 /vendor/codeberg.org/gruf/go-atomics/time.go | |
parent | [chore] Fix some contrast issues in themes; performance tweaks (#3358) (diff) | |
download | gotosocial-f3e2d36d6455e6d16aba833bdf64806377c8178f.tar.xz |
[chore] update go-sched pkg (#3357)
* update go-sched to v1.2.4 which removes some now unused dependencies
* whoops, remove test output
Diffstat (limited to 'vendor/codeberg.org/gruf/go-atomics/time.go')
-rw-r--r-- | vendor/codeberg.org/gruf/go-atomics/time.go | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/vendor/codeberg.org/gruf/go-atomics/time.go b/vendor/codeberg.org/gruf/go-atomics/time.go deleted file mode 100644 index 4bf20cc74..000000000 --- a/vendor/codeberg.org/gruf/go-atomics/time.go +++ /dev/null @@ -1,58 +0,0 @@ -package atomics - -import ( - "sync/atomic" - "time" - "unsafe" -) - -// Time provides user-friendly means of performing atomic operations on time.Time types. -type Time struct{ ptr unsafe.Pointer } - -// NewTime will return a new Time instance initialized with zero value. -func NewTime() *Time { - var v time.Time - return &Time{ - ptr: unsafe.Pointer(&v), - } -} - -// Store will atomically store time.Time value in address contained within v. -func (v *Time) Store(val time.Time) { - atomic.StorePointer(&v.ptr, unsafe.Pointer(&val)) -} - -// Load will atomically load time.Time value at address contained within v. -func (v *Time) Load() time.Time { - return *(*time.Time)(atomic.LoadPointer(&v.ptr)) -} - -// CAS performs a compare-and-swap for a(n) time.Time value at address contained within v. -func (v *Time) CAS(cmp, swp time.Time) bool { - for { - // Load current value at address - ptr := atomic.LoadPointer(&v.ptr) - cur := *(*time.Time)(ptr) - - // Perform comparison against current - if !(cur.Equal(cmp)) { - return false - } - - // Attempt to replace pointer - if atomic.CompareAndSwapPointer( - &v.ptr, - ptr, - unsafe.Pointer(&swp), - ) { - return true - } - } -} - -// Swap atomically stores new time.Time value into address contained within v, and returns previous value. -func (v *Time) Swap(swp time.Time) time.Time { - ptr := unsafe.Pointer(&swp) - ptr = atomic.SwapPointer(&v.ptr, ptr) - return *(*time.Time)(ptr) -} |