From: Corinna Vinschen <corinna-cygwin@cygwin.com>
To: cygwin@cygwin.com
Subject: Re: Possiblly bug of cygwin1.dll
Date: Fri, 19 Jan 2024 15:28:40 +0100 [thread overview]
Message-ID: <ZaqHGElhXZIc3NFX@calimero.vinschen.de> (raw)
In-Reply-To: <20240119224436.876a055f356f7c6796bc725b@nifty.ne.jp>
On Jan 19 22:44, Takashi Yano via Cygwin wrote:
> Hi,
>
> I might find the bug of cygwin1.dll (including 3.4.x, 3.5.0 (TEST)).
> The following test case (c++ code) causes handle leak.
>
> This issue is reproducible with both g++ and clang++.
> However, it does not happen in Linux environment.
> So I guess this is the cygwin1.dlll bug.
>
> I looked into this problem a bit, and found number of event handle
> increases every loop.
>
> I doubt pthread_mutex_xxx functions.
>
> #include <future>
> int func() { return 0; }
> int main()
> {
> for (;;) {
> std::future<int> f = std::async(std::launch::async, func);
> f.get();
> }
> return 0;
> }
Can you create a plain C testcase from there? It's much easier to
debug.
Thanks,
Corinna
next prev parent reply other threads:[~2024-01-19 14:28 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-19 13:44 Takashi Yano
2024-01-19 14:28 ` Corinna Vinschen [this message]
2024-01-20 4:18 ` Takashi Yano
2024-01-20 5:13 ` Takashi Yano
2024-01-20 9:13 ` ASSI
2024-01-20 12:24 ` Takashi Yano
2024-01-20 12:46 ` ASSI
2024-01-21 11:10 ` Takashi Yano
2024-01-21 13:30 ` ASSI
2024-01-22 3:30 ` Takashi Yano
2024-01-22 9:25 ` Corinna Vinschen
2024-01-22 9:57 ` Corinna Vinschen
2024-01-22 11:16 ` Takashi Yano
2024-01-22 11:49 ` Corinna Vinschen
2024-01-22 12:41 ` ASSI
2024-01-22 14:54 ` Corinna Vinschen
2024-01-22 11:06 ` Takashi Yano
2024-01-22 11:42 ` Corinna Vinschen
2024-01-23 3:24 ` Kaz Kylheku
2024-01-24 11:55 ` Takashi Yano
2024-01-24 13:05 ` Corinna Vinschen
2024-01-24 13:11 ` Corinna Vinschen
2024-01-24 20:37 ` Kaz Kylheku
2024-01-24 20:08 ` Kaz Kylheku
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