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Groups > comp.programming.threads > #6934
| Newsgroups | comp.programming.threads |
|---|---|
| From | Branimir Maksimovic <branimir.maksimovic@icloud.com> |
| Subject | Re: Sum server, finished, better, without usleep [Swift] |
| References | (2 earlier) <RAO6J.64731$jm6.37037@fx07.iad> <9C17J.56040$md6.7378@fx36.iad> <TF47J.12145$fZ.741@fx06.iad> <C887J.146543$rl3.124179@fx45.iad> <v4e7J.55915$nR3.21458@fx38.iad> |
| Message-ID | <SFk7J.64982$6U3.4781@fx43.iad> (permalink) |
| Organization | usenet-news.net |
| Date | 2021-10-06 17:03 +0000 |
On 2021-10-06, Branimir Maksimovic <branimir.maksimovic@icloud.com> wrote:
> while(true){
usleep(1000) // better not to overheat :P
> /***
> * interrestingly CAS doesn't work, because of
> * some weird Apple memory scheme.
> * OSAtomicCompareAndSwapPtr: doesn't work
> */
> var val:UInt8 = 0
> repeat {
> usleep(1)
> OSMemoryBarrier()
> val = bval!.pointee!.load(as:UInt8.self)
> }while ( val == 1 || val == 2)
> OSMemoryBarrier()
> bval!.pointee!.storeBytes(of:1,as: UInt8.self)
> repeat {
> usleep(1)
> OSMemoryBarrier()
> val = bval!.pointee!.load(as:UInt8.self)
> }while ( val == 2)
> OSMemoryBarrier()
> bval!.pointee!.storeBytes(of:2,as: UInt8.self)
> print("acquired")
/// payloAD HERE
> OSMemoryBarrier()
> bval!.pointee!.storeBytes(of:0,as: UInt8.self)
> print("releazed\n")
>
>
--
7-77-777
Evil Sinner!
to weak you should be meek, and you should brainfuck stronger
https://github.com/rofl0r/chaos-pp
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Sum server [Swift] Branimir Maksimovic <branimir.maksimovic@icloud.com> - 2021-10-03 19:07 +0000
Re: Sum server,improved slightly [Swift] Branimir Maksimovic <branimir.maksimovic@icloud.com> - 2021-10-04 04:30 +0000
Re: Sum server, mutch improved [Swift] Branimir Maksimovic <branimir.maksimovic@icloud.com> - 2021-10-05 02:17 +0000
Re: Sum server, finished [Swift] Branimir Maksimovic <branimir.maksimovic@icloud.com> - 2021-10-05 19:22 +0000
Re: Sum server, finished, bugs corrected, accept now nonblocking as well [Swift] Branimir Maksimovic <branimir.maksimovic@icloud.com> - 2021-10-05 22:51 +0000
Re: Sum server, finished, bugs corrected, accept now nonblocking as well, tweaked [Swift] Branimir Maksimovic <branimir.maksimovic@icloud.com> - 2021-10-06 02:49 +0000
Re: Sum server, finished, better, without usleep [Swift] Branimir Maksimovic <branimir.maksimovic@icloud.com> - 2021-10-06 09:34 +0000
Re: Sum server, finished, better, without usleep [Swift] Branimir Maksimovic <branimir.maksimovic@icloud.com> - 2021-10-06 17:03 +0000
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