vendor: update buildkit to v0.18.0-rc1

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
This commit is contained in:
Tonis Tiigi
2024-11-21 12:57:27 -08:00
parent 1a039115bc
commit 13a426fca6
448 changed files with 35377 additions and 5707 deletions

View File

@ -1,16 +1,5 @@
// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// SPDX-License-Identifier: Apache-2.0
package metric // import "go.opentelemetry.io/otel/sdk/metric"
@ -52,3 +41,43 @@ func (c *cache[K, V]) Lookup(key K, f func() V) V {
c.data[key] = val
return val
}
// HasKey returns true if Lookup has previously been called with that key
//
// HasKey is safe to call concurrently.
func (c *cache[K, V]) HasKey(key K) bool {
c.Lock()
defer c.Unlock()
_, ok := c.data[key]
return ok
}
// cacheWithErr is a locking storage used to quickly return already computed values and an error.
//
// The zero value of a cacheWithErr is empty and ready to use.
//
// A cacheWithErr must not be copied after first use.
//
// All methods of a cacheWithErr are safe to call concurrently.
type cacheWithErr[K comparable, V any] struct {
cache[K, valAndErr[V]]
}
type valAndErr[V any] struct {
val V
err error
}
// Lookup returns the value stored in the cacheWithErr with the associated key
// if it exists. Otherwise, f is called and its returned value is set in the
// cacheWithErr for key and returned.
//
// Lookup is safe to call concurrently. It will hold the cacheWithErr lock, so f
// should not block excessively.
func (c *cacheWithErr[K, V]) Lookup(key K, f func() (V, error)) (V, error) {
combined := c.cache.Lookup(key, func() valAndErr[V] {
val, err := f()
return valAndErr[V]{val: val, err: err}
})
return combined.val, combined.err
}