diff options
Diffstat (limited to 'Doc/Zsh/mod_clone.yo')
| -rw-r--r-- | Doc/Zsh/mod_clone.yo | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/Doc/Zsh/mod_clone.yo b/Doc/Zsh/mod_clone.yo index a0bf42b17..02dc5be0e 100644 --- a/Doc/Zsh/mod_clone.yo +++ b/Doc/Zsh/mod_clone.yo @@ -20,7 +20,8 @@ and non-zero on error. The target of tt(clone) should be an unused terminal, such as an unused virtual console or a virtual terminal created by -xterm -e sh -c 'trap : INT QUIT TSTP; tty; while :; do sleep 100000000; done' +example(xterm -e sh -c 'trap : INT QUIT TSTP; tty; + while :; do sleep 100000000; done') Some words of explanation are warranted about this long xterm command line: when doing clone on a pseudo-terminal, some other session @@ -28,14 +29,15 @@ line: when doing clone on a pseudo-terminal, some other session the terminal. Hence the cloned zsh cannot acquire the pseudo-terminal as a controlling tty. That means two things: - the job control signals will go to the sh-started-by-xterm process - group (that's why we disable INT QUIT and TSTP with trap; otherwise - the while loop could get suspended or killed) +startitemize() +itemiz(the job control signals will go to the sh-started-by-xterm process +group (that's why we disable INT QUIT and TSTP with trap; otherwise +the while loop could get suspended or killed)) +itemiz(the cloned shell will have job control disabled, and the job +control keys (control-C, control-\ and control-Z) will not work.) +enditemize() - the cloned shell will have job control disabled, and the job - control keys (control-C, control-\ and control-Z) will not work. - -This does not apply when cloning to an bf(unused) vc. +This does not apply when cloning to an em(unused) vc. Cloning to a used (and unprepared) terminal will result in two processes reading simultaneously from the same terminal, with |