So there are issues we have in swift-corelibs that suffer(leak) because we
don't have ARPs on Linux. It would be super nice to have a retain until scope
end concept for swift core libs where autorelease would be an accessor in
unmanaged that would retain the object until the arp ends scope.
Sent from my iPhone
> On Nov 2, 2016, at 10:17 AM, Jordan Rose <jordan_r...@apple.com> wrote:
>
>
>>> On Nov 2, 2016, at 09:42, Joe Groff via swift-users <swift-users@swift.org>
>>> wrote:
>>>
>>>
>>> On Nov 1, 2016, at 6:40 PM, Bernardo Breder via swift-users
>>> <swift-users@swift.org> wrote:
>>>
>>> Hello,
>>>
>>> I want to create a mini http server project and execute at Ubuntu 15. The
>>> Xcode compile and access the function "autoreleasepool", but when i compile
>>> the same code at Ubuntu, this function not found
>>>
>>> For example, i can compile the code above at Xcode:
>>>
>>> while true {
>>> autoreleasepool {
>>> var test: Data = "HTTP/1.1 200 OK\r\nContent-Length:
>>> 1\r\n\r\na".data(using: .utf8)!
>>> }
>>> }
>>>
>>> But when i try to compile at Ubuntu:
>>>
>>> git@breder:~$ cat main.swift
>>> import Foundation
>>>
>>> while true {
>>> autoreleasepool {
>>> var test: Data = "HTTP/1.1 200 OK\r\nContent-Length:
>>> 1\r\n\r\na".data(using: .utf8)!
>>> }
>>> }
>>>
>>> git@breder:~$ swiftc main.swift
>>> main.swift:4:5: error: use of unresolved identifier 'autoreleasepool'
>>> autoreleasepool {
>>> ^~~~~~~~~~~~~~~
>>
>> Autoreleasepools are an ObjC compatibility feature. They aren't necessary in
>> standalone Swift.
>
> But they are necessary in Swift programs on Apple platforms (that don’t use
> RunLoop, anyway). Philippe, what do you think? What’s the right way to write
> cross-platform code that doesn’t use RunLoop or dispatch_main for an implicit
> autorelease pool?
>
> (/me remembers +[NSAutoreleasePool drain] from the ObjC-GC days)
>
> Jordan
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