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-rw-r--r--Src/signals.c46
1 files changed, 33 insertions, 13 deletions
diff --git a/Src/signals.c b/Src/signals.c
index 2df69f96e..3950ad1a2 100644
--- a/Src/signals.c
+++ b/Src/signals.c
@@ -522,14 +522,14 @@ wait_for_processes(void)
get_usage();
}
/*
- * Remember the status associated with $!, so we can
- * wait for it even if it's exited. This value is
- * only used if we can't find the PID in the job table,
- * so it doesn't matter that the value we save here isn't
- * useful until the process has exited.
+ * Accumulate a list of older jobs. We only do this for
+ * background jobs, which is something in the job table
+ * that's not marked as in the current shell or as shell builtin
+ * and is not equal to the current foreground job.
*/
- if (pn != NULL && pid == lastpid && lastpid_status != -1L)
- lastpid_status = lastval2;
+ if (jn && !(jn->stat & (STAT_CURSH|STAT_BUILTIN)) &&
+ jn - jobtab != thisjob)
+ addbgstatus(pid, (int)lastval2);
}
}
@@ -619,7 +619,7 @@ zhandler(int sig)
zexit(SIGINT, 1);
if (list_pipe || chline || simple_pline) {
breaks = loops;
- errflag = 1;
+ errflag |= ERRFLAG_INT;
inerrflush();
check_cursh_sig(SIGINT);
}
@@ -640,6 +640,11 @@ zhandler(int sig)
if (idle >= 0 && idle < tmout)
alarm(tmout - idle);
else {
+ /*
+ * We want to exit now.
+ * Cancel all errors, including a user interrupt
+ * which is now redundant.
+ */
errflag = noerrs = 0;
zwarn("timeout");
stopmsg = 1;
@@ -1205,7 +1210,7 @@ dotrapargs(int sig, int *sigtr, void *sigfn)
intrap++;
*sigtr |= ZSIG_IGNORED;
- lexsave();
+ zcontext_save();
/* execsave will save the old trap_return and trap_state */
execsave();
breaks = retflag = 0;
@@ -1260,14 +1265,25 @@ dotrapargs(int sig, int *sigtr, void *sigfn)
new_trap_return = trap_return;
execrestore();
- lexrestore();
+ zcontext_restore();
if (new_trap_state == TRAP_STATE_FORCE_RETURN &&
/* zero return from function isn't special */
!(isfunc && new_trap_return == 0)) {
if (isfunc) {
breaks = loops;
- errflag = 1;
+ /*
+ * For SIGINT we behave the same as the default behaviour
+ * i.e. we set the error bit indicating an interrupt.
+ * We do this with SIGQUIT, too, even though we don't
+ * handle SIGQUIT by default. That's to try to make
+ * it behave a bit more like its normal behaviour when
+ * the trap handler has told us that's what it wants.
+ */
+ if (sig == SIGINT || sig == SIGQUIT)
+ errflag |= ERRFLAG_INT;
+ else
+ errflag |= ERRFLAG_ERROR;
}
lastval = new_trap_return;
/* return triggered */
@@ -1282,8 +1298,12 @@ dotrapargs(int sig, int *sigtr, void *sigfn)
*/
lastval = olastval;
}
- if (try_tryflag)
- errflag = traperr;
+ if (try_tryflag) {
+ if (traperr)
+ errflag |= ERRFLAG_ERROR;
+ else
+ errflag &= ~ERRFLAG_ERROR;
+ }
breaks += obreaks;
/* return not triggered: restore old flag */
retflag = oretflag;