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33876: etc.: Separate errors and keyboards interrupts

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Combination of 12 commits from interrupt_abort branch.

Basic strategy is to introduce bits to errflag and to set and
reset them separately.

Remove interrupt status on return to main keymap.

Turn off ERRFLAG_INT for always block.

Restore bit thereafter: we probably need a new variable in order
to allow user interrupts to be reset in the always block.

Add TRY_BLOCK_INTERRUPT

This works the same as TRY_BLOCK_ERROR, but for a SIGINT, too.

Ensure propagation of SIGINT from exited job.

If received by foreground job, shell uses ERRFLAG_INT, not
ERRFLAG_ERROR, to set the new state.

Reset errflag before precmd()

Add always block in _main_completion to fix ZLS_COLORS

Ensures we get the right state of $ZLS_COLORS at the end of _main_complete
even if there's an interrupt.  However, the "right state" is a bit messy
as it depends on styles.
This commit is contained in:
Peter Stephenson 2014-12-07 16:24:19 +00:00 • committed by Peter Stephenson
parent 247f7548dc
commit d067ebcacd
31 changed files with 315 additions and 134 deletions
Download patch file Download diff file Expand all files Collapse all files

27
Src/subst.c
View file

@ -2822,7 +2822,8 @@ paramsubst(LinkList l, LinkNode n, char **str, int qt, int pf_flags)
haserr = parse_subst_string(s);
noerrs = one;
if (!quoteerr) {
errflag = oef;
/* Retain user interrupt error status */
errflag = oef | (errflag & ERRFLAG_INT);
if (haserr)
shtokenize(s);
} else if (haserr || errflag) {
@ -3249,8 +3250,10 @@ paramsubst(LinkList l, LinkNode n, char **str, int qt, int pf_flags)
haserr = 1;
}
noerrs = one;
if (!quoteerr)
errflag = oef;
if (!quoteerr) {
/* Retain user interrupt error status */
errflag = oef | (errflag & ERRFLAG_INT);
}
if (haserr || errflag)
return NULL;
}
@ -3483,8 +3486,10 @@ paramsubst(LinkList l, LinkNode n, char **str, int qt, int pf_flags)
untokenize(*ap);
}
noerrs = one;
if (!quoteerr)
errflag = oef;
if (!quoteerr) {
/* Retain any user interrupt error status */
errflag = oef | (errflag & ERRFLAG_INT);
}
else if (haserr || errflag) {
zerr("parse error in parameter value");
return NULL;
@ -3516,8 +3521,10 @@ paramsubst(LinkList l, LinkNode n, char **str, int qt, int pf_flags)
noerrs = 1;
haserr = parse_subst_string(val);
noerrs = one;
if (!quoteerr)
errflag = oef;
if (!quoteerr) {
/* Retain any user interrupt error status */
errflag = oef | (errflag & ERRFLAG_INT);
}
else if (haserr || errflag) {
zerr("parse error in parameter value");
return NULL;
@ -4086,7 +4093,8 @@ modify(char **str, char **ptr)
noerrs = 1;
parse_subst_string(copy);
noerrs = one;
errflag = oef;
/* Retain any user interrupt error status */
errflag = oef | (errflag & ERRFLAG_INT);
remnulargs(copy);
untokenize(copy);
}
@ -4161,7 +4169,8 @@ modify(char **str, char **ptr)
noerrs = 1;
parse_subst_string(*str);
noerrs = one;
errflag = oef;
/* Retain any user interrupt error status */
errflag = oef | (errflag & ERRFLAG_INT);
remnulargs(*str);
untokenize(*str);
}