D31876.id.diff
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	diff --git a/bin/sh/miscbltin.c b/bin/sh/miscbltin.c
	--- a/bin/sh/miscbltin.c
	+++ b/bin/sh/miscbltin.c
	@@ -231,6 +231,8 @@
	* If there's nothing ready, return an error.
	*/
	if (status <= 0) {
	+ while (*ap != NULL)
	+ setvar(*ap++, "", 0);
	sig = pendingsig;
	return (128 + (sig != 0 ? sig : SIGALRM));
	}
	diff --git a/bin/sh/tests/builtins/Makefile b/bin/sh/tests/builtins/Makefile
	--- a/bin/sh/tests/builtins/Makefile
	+++ b/bin/sh/tests/builtins/Makefile
	@@ -141,6 +141,8 @@
	${PACKAGE}FILES+= read7.0
	${PACKAGE}FILES+= read8.0
	${PACKAGE}FILES+= read9.0
	+${PACKAGE}FILES+= read10.0
	+${PACKAGE}FILES+= read11.0
	${PACKAGE}FILES+= return1.0
	${PACKAGE}FILES+= return2.1
	${PACKAGE}FILES+= return3.1
	diff --git a/bin/sh/tests/builtins/read10.0 b/bin/sh/tests/builtins/read10.0
	new file mode 100644
	--- /dev/null
	+++ b/bin/sh/tests/builtins/read10.0
	@@ -0,0 +1,8 @@
	+
	+set -e
	+
	+v=original_value
	+r=0
	+read v < /dev/null \|\| r=$?
	+[ "$r" -eq 1 ]
	+[ -z "$v" ]
	diff --git a/bin/sh/tests/builtins/read11.0 b/bin/sh/tests/builtins/read11.0
	new file mode 100644
	--- /dev/null
	+++ b/bin/sh/tests/builtins/read11.0
	@@ -0,0 +1,17 @@
	+
	+set -e
	+
	+T=$(mktemp -d ${TMPDIR:-/tmp}/sh-test.XXXXXX)
	+trap 'rm -rf "$T"' 0
	+cd $T
	+mkfifo fifo1
	+# Open fifo1 for writing and then read block on a dummy fifo
	+{ mkfifo fifo2; read dummy <fifo2; } >fifo1 &
	+# Wait for the child to open fifo1 for writing
	+exec 3<fifo1
	+v=original_value
	+r=0
	+read -t 0 v <&3 \|\| r=$?
	+kill -TERM "$!" \|\| :
	+{ [ "$r" -gt 128 ] && [ "$(kill -l "$r")" = ALRM ]; } \|\| exit
	+[ -z "$v" ]