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fix for EXIT trap in -c command; suspend -f now suspends even if job control is not enabled

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This commit is contained in:
Chet Ramey
2022-05-18 09:50:42 -04:00
parent f9ed510acb
commit daff9ecae9
24 changed files with 8106 additions and 8115 deletions
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doc/bashref.texi
+18 -7
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@@ -801,8 +801,9 @@ the time information.
If the pipeline is not executed asynchronously (@pxref{Lists}), the
shell waits for all commands in the pipeline to complete.
Each command in a multi-command
pipeline is executed in its own @dfn{subshell}, which is a
Each command in a multi-command pipeline,
where pipes are created,
is executed in its own @dfn{subshell}, which is a
separate process (@pxref{Command Execution Environment}).
If the @code{lastpipe} option is enabled using the @code{shopt} builtin
(@pxref{The Shopt Builtin}),
@@ -7104,10 +7105,12 @@ No other startup files are read.
@subsubheading Invoked by remote shell daemon
Bash attempts to determine when it is being run with its standard input
connected to a network connection, as when executed by the remote shell
daemon, usually @code{rshd}, or the secure shell daemon @code{sshd}.
If Bash determines it is being run in
this fashion, it reads and executes commands from @file{~/.bashrc}, if that
connected to a network connection, as when executed by
the historical remote shell daemon, usually @code{rshd},
or the secure shell daemon @code{sshd}.
If Bash
determines it is being run non-interactively in this fashion,
it reads and executes commands from @file{~/.bashrc}, if that
file exists and is readable.
It will not do this if invoked as @code{sh}.
The @option{--norc} option may be used to inhibit this behavior, and the
@@ -8914,8 +8917,16 @@ suspend [-f]
Suspend the execution of this shell until it receives a
@code{SIGCONT} signal.
A login shell cannot be suspended; the @option{-f}
A login shell,
or a shell without job control enabled,
cannot be suspended; the @option{-f}
option can be used to override this and force the suspension.
The return status is 0 unless the shell is a login shell
or job control is not enabled
and
@option{-f}
is not supplied.
@end table
When job control is not active, the @code{kill} and @code{wait}