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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/bash.1
+18 -11
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@@ -5,12 +5,12 @@
.\" Case Western Reserve University
.\" chet.ramey@case.edu
.\"
.\" Last Change: Mon May 2 09:00:07 EDT 2022
.\" Last Change: Tue May 17 09:34:43 EDT 2022
.\"
.\" bash_builtins, strip all but Built-Ins section
.if \n(zZ=1 .ig zZ
.if \n(zY=1 .ig zY
.TH BASH 1 "2022 May 2" "GNU Bash 5.2"
.TH BASH 1 "2022 May 17" "GNU Bash 5.2"
.\"
.\" There's some problem with having a `@'
.\" in a tagged paragraph with the BSD man macros.
@@ -420,12 +420,14 @@ No other startup files are read.
.PP
.B 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 \fIrshd\fP, or the secure shell daemon \fIsshd\fP.
connected to a network connection, as when executed by
the historical remote shell daemon, usually \fIrshd\fP,
or the secure shell daemon \fIsshd\fP.
If
.B bash
determines it is being run in this fashion, it reads and executes
commands from \fI~/.bashrc\fP, if that file exists and is readable.
determines it is being run non-interactively in this fashion,
it reads and executes commands from \fI~/.bashrc\fP,
if that file exists and is readable.
It will not do this if invoked as \fBsh\fP.
The
.B \-\-norc
@@ -589,8 +591,9 @@ The
variable may be used to specify the format of
the time information.
.PP
Each command in a multi-command
pipeline is executed in a \fIsubshell\fP, which is a
Each command in a multi-command pipeline,
where pipes are created,
is executed in a \fIsubshell\fP, which is a
separate process.
See
.SM
@@ -10641,12 +10644,16 @@ by default.
Suspend the execution of this shell until it receives a
.SM
.B SIGCONT
signal. A login shell cannot be suspended; the
signal. A login shell,
or a shell without job control enabled,
cannot be suspended; the
.B \-f
option can be used to override this and force the suspension.
The return status is 0 unless the shell is a login shell and
The return status is 0 unless the shell is a login shell
or job control is not enabled
and
.B \-f
is not supplied, or if job control is not enabled.
is not supplied.
.TP
\fBtest\fP \fIexpr\fP
.PD 0