Date: Mon, 17 Nov 2014 09:18:12 +0800 From: 黄建忠 <jianzhong.huang@...oft.com.cn> To: musl@...ts.openwall.com, Rich Felker <dalias@...c.org> Subject: Re: Possible bug: MINSIGSTKSZ values Hi, Rich, If that means some opensource projects need to be modified to fit Musl, would you consider to add a "__MUSL__" macro? I think such a special macro will make upstream patch easy to be accepted. 在 11/15/14 11:18, Rich Felker 写道: > Currently musl has MINSIGSTKSZ hard-coded as 2048. This is > insufficient to store the ucontext_t for many archs. I'd like to keep > it small on archs where that's possible, but the current value might > not even work for modern x86 with large AVX state, etc. that needs to > be saved. I don't have a proposed fix yet, but I think we should > survey the values that are needed for different archs and either make > it vary per-arch, or if they're all comparable, just increase the > value to something that works for all archs. > > Note that the min pthread stack size is also well below the size of > ucontext_t for many archs, but I don't think this is a problem. If you > make a thread with a stack smaller than MINSIGSTKSZ+epsilon, you just > need to start it with all signals blocked and leave them blocked (or > avoid using signal handlers at all). > > Rich > -- Huang JianZhong
Powered by blists - more mailing lists
Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.