Ned Deily added the comment:
What you are seeing is platform-specific behavior, a difference between
BSD-based systems including OS X and other systems including Linux. The
difference is that the former systems support the DSUSP (suspend on reading
input) terminal character in addition to the normal SUSP (suspend immediately)
terminal character. The default value for DSUSP is CTRL-Y which you can see in
the output of stty(1):
$ stty -a
[..]
cchars: discard = ^O; dsusp = ^Y; eof = ^D; eol = <undef>;
eol2 = <undef>; erase = ^?; intr = ^C; kill = ^U; lnext = ^V;
min = 1; quit = ^\; reprint = ^R; start = ^Q; status = ^T;
stop = ^S; susp = ^Z; time = 0; werase = ^W;
You should see the same CTRL-Y suspend behavior with other utilities reading
from standard input, like cat(1), unless they handle that signal. You can
modify the behavior of CTRL-Y by disabling the DSUSP character, for example:
$ stty dsusp undef
See the OS X stty(1) man page and other references like:
http://www.gnu.org/software/libc/manual/html_node/Signal-Characters.html
----------
nosy: +ned.deily
resolution: -> invalid
stage: -> committed/rejected
status: open -> closed
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Python tracker <[email protected]>
<http://bugs.python.org/issue16768>
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