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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
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8
Src/Modules/zutil.c
View file

@ -301,7 +301,8 @@ setstypat(Style s, char *pat, Patprog prog, char **vals, int eval)
int ef = errflag;
eprog = parse_string(zjoin(vals, ' ', 1), 0);
errflag = ef;
/* Keep any user interrupt error status */
errflag = ef | (errflag & ERRFLAG_INT);
if (!eprog)
{
@ -394,10 +395,11 @@ evalstyle(Stypat p)
unsetparam("reply");
execode(p->eval, 1, 0, "style");
if (errflag) {
errflag = ef;
/* Keep any user interrupt error status */
errflag = ef | (errflag & ERRFLAG_INT);
return NULL;
}
errflag = ef;
errflag = ef | (errflag & ERRFLAG_INT);
queue_signals();
if ((ret = getaparam("reply")))