Date: Fri, 29 Jan 2016 18:03:54 -0500 From: Max Ruttenberg <mruttenberg@...technology.com> To: musl@...ts.openwall.com Subject: Re: syscall_cp and syscall_ret ?? On Fri, Jan 29, 2016 at 5:50 PM, Josiah Worcester <josiahw@...il.com> wrote: > syscall_cp does largely the same thing as syscall. However, it also checks > for a current cancellation request, and exports some symbols (before and > after the syscall call) which are used in the thread cancellation > implementation. It makes it so the cancellation handler can know whether or > not the cancellation request happened during or after a syscall. (if > during, it needs to cancel the thread, if after, then it needs to continue > executing until the next cancellation point.) > > On Fri, Jan 29, 2016 at 2:41 PM Max Ruttenberg < > mruttenberg@...technology.com> wrote: > >> What is syscall_cp and what is it supposed to do that syscall isn't? >> >> >> -- >> Max Ruttenberg, >> Member of the Technical Staff >> Emu *Technology* >> 1400 E Angela Blvd, Unit 101 >> South Bend, IN 46617 >> > -- Max Ruttenberg, Member of the Technical Staff Emu *Technology* 1400 E Angela Blvd, Unit 101 South Bend, IN 46617 Content of type "text/html" skipped
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