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authorPeter Stephenson <p.w.stephenson@ntlworld.com>2014-12-07 16:24:19 +0000
committerPeter Stephenson <pws@zsh.org>2014-12-11 09:41:17 +0000
commitd067ebcacd55472f720b2765ec686a69b25c9a90 (patch)
treec22b23a3812456939b9cf284c6ccba1249636443 /Src/hist.c
parent247f7548dc760184dae090834d4a050f4ce32d98 (diff)
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33876: etc.: Separate errors and keyboards interrupts
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.
Diffstat (limited to 'Src/hist.c')
-rw-r--r--Src/hist.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/Src/hist.c b/Src/hist.c
index 7fe843a4a..a0061707c 100644
--- a/Src/hist.c
+++ b/Src/hist.c
@@ -287,7 +287,8 @@ ihgetc(void)
 	c = histsubchar(c);
 	if (c < 0) {
 	    /* bad expansion */
-	    errflag = lexstop = 1;
+	    lexstop = 1;
+	    errflag |= ERRFLAG_ERROR;
 	    return ' ';
 	}
     }
@@ -721,7 +722,7 @@ histsubchar(int c)
 		    noerrs = 1;
 		    parse_subst_string(sline);
 		    noerrs = one;
-		    errflag = oef;
+		    errflag = oef | (errflag & ERRFLAG_INT);
 		    remnulargs(sline);
 		    untokenize(sline);
 		}
@@ -880,7 +881,8 @@ hbegin(int dohist)
     char *hf;
 
     isfirstln = isfirstch = 1;
-    errflag = histdone = 0;
+    errflag &= ~ERRFLAG_ERROR;
+    histdone = 0;
     if (!dohist)
 	stophist = 2;
     else if (dohist != 2)
@@ -3182,7 +3184,7 @@ bufferwords(LinkList list, char *buf, int *index, int flags)
     noaliases = ona;
     strinend();
     inpop();
-    errflag = 0;
+    errflag &= ~ERRFLAG_ERROR;
     nocomments = onc;
     noerrs = ne;
     lexrestore();