D53793.1774828299.diff
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	diff --git a/bin/sh/jobs.c b/bin/sh/jobs.c
	--- a/bin/sh/jobs.c
	+++ b/bin/sh/jobs.c
	@@ -1078,6 +1078,7 @@
	#if JOBS
	int propagate_int = jp->jobctl && jp->foreground;
	#endif
	+ int jobindex;
	int status;
	int st;

	@@ -1085,8 +1086,11 @@
	TRACE(("waitforjob(%%%td) called\n", jp - jobtab + 1));
	while (jp->state == 0)
	if (dowait(DOWAIT_BLOCK \| (Tflag ? DOWAIT_SIG \|
	- DOWAIT_SIG_TRAP : 0), jp) == -1)
	+ DOWAIT_SIG_TRAP : 0), jp) == -1) {
	+ jobindex = jp - jobtab;
	dotrap();
	+ jp = jobtab + jobindex;
	+ }
	#if JOBS
	if (jp->jobctl) {
	if (ttyfd >= 0 && tcsetpgrp(ttyfd, rootpid) < 0)
	diff --git a/bin/sh/tests/execution/Makefile b/bin/sh/tests/execution/Makefile
	--- a/bin/sh/tests/execution/Makefile
	+++ b/bin/sh/tests/execution/Makefile
	@@ -18,6 +18,7 @@
	${PACKAGE}FILES+= bg11.0
	${PACKAGE}FILES+= bg12.0
	${PACKAGE}FILES+= bg13.0
	+${PACKAGE}FILES+= bg14.0
	${PACKAGE}FILES+= env1.0
	${PACKAGE}FILES+= fork1.0
	${PACKAGE}FILES+= fork2.0
	diff --git a/bin/sh/tests/execution/bg14.0 b/bin/sh/tests/execution/bg14.0
	new file mode 100644
	--- /dev/null
	+++ b/bin/sh/tests/execution/bg14.0
	@@ -0,0 +1,9 @@
	+T=`mktemp -d ${TMPDIR:-/tmp}/sh-test.XXXXXXXX`
	+trap 'rm -rf "$T"' 0
	+cd "$T" \|\| exit 3
	+mkfifo fifo1 \|\| exit 3
	+set -T
	+trap "for i in 1 2 3 4; do sleep 1 & done" USR1
	+sleep 1 &
	+{ kill -USR1 "$$"; echo .; } >fifo1 &
	+(read dummy <fifo1)