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bug#44320: [PATH] [27.1] Make sure send-string-to-terminal send all cont

From: Andreas Schwab
Subject: bug#44320: [PATH] [27.1] Make sure send-string-to-terminal send all contents
Date: Mon, 02 Nov 2020 16:49:49 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux) 
On Nov 02 2020, Eli Zaretskii wrote:

>> Date: Mon, 2 Nov 2020 11:11:22 +0800
>> From: LinSun <lin.sun@zoom.us>
>> Cc: "44320@debbugs.gnu.org" <44320@debbugs.gnu.org>
>> 
>> Attach the log file ` testing-strace-2.log.gz` with a line more which may be 
>> a import hints.
>> 
>> write(6, "…", 256) = ? ERESTARTSYS (To be restarted if SA_RESTART is set)
>
> Thanks.
>
> I don't think I know how to interpret this trace, or understand the
> significance of ERESTARTSYS.

It is translated to EINTR on signal handler return:

rt_sigreturn({mask=[]})                 = -1 EINTR (Interrupted system call)

Outside of strace, ERESTARTSYS is never observed by user-space.

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
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