mirror of
https://github.com/ProtonMail/ios-mail.git
synced 2026-06-14 09:54:45 +00:00
37 lines
1.6 KiB
Swift
37 lines
1.6 KiB
Swift
// Copyright (c) 2024 Proton Technologies AG
|
|
//
|
|
// This file is part of Proton Mail.
|
|
//
|
|
// Proton Mail is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// Proton Mail is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with Proton Mail. If not, see https://www.gnu.org/licenses/.
|
|
|
|
import Darwin
|
|
|
|
/*
|
|
This environment allows replacing `swift_task_enqueueGlobal_hook` global function
|
|
(https://github.com/apple/swift/blob/main/stdlib/public/Concurrency/GlobalExecutor.cpp) which is responsible for
|
|
asynchronous execution of code that is marked with `async` keyword and making it e.g. synchronous in unit tests.
|
|
**/
|
|
public enum ConcurrencyEnvironment {
|
|
public typealias Original = @convention(thin) (UnownedJob) -> Void
|
|
public typealias Hook = @convention(thin) (UnownedJob, Original) -> Void
|
|
|
|
public static var swift_task_enqueueGlobal_hook: Hook? {
|
|
get { _swift_task_enqueueGlobal_hook.pointee }
|
|
set { _swift_task_enqueueGlobal_hook.pointee = newValue }
|
|
}
|
|
|
|
private static let _swift_task_enqueueGlobal_hook = dlsym(dlopen(nil, RTLD_LAZY), "swift_task_enqueueGlobal_hook")
|
|
.assumingMemoryBound(to: Hook?.self)
|
|
}
|