4 files changed, 30 insertions, 0 deletions

diff --git a/shell/ash_test/ash-redir/redir_EINTR1.right b/shell/ash_test/ash-redir/redir_EINTR1.right
new file mode 100644
index 000000000..287d91f67
--- /dev/null
+++ b/shell/ash_test/ash-redir/redir_EINTR1.right
@@ -0,0 +1,2 @@
+Hello
+Done:0
diff --git a/shell/ash_test/ash-redir/redir_EINTR1.tests b/shell/ash_test/ash-redir/redir_EINTR1.tests
new file mode 100755
index 000000000..cede4d4d8
--- /dev/null
+++ b/shell/ash_test/ash-redir/redir_EINTR1.tests
@@ -0,0 +1,13 @@
+rm -f test.fifo
+mkfifo test.fifo
+
+(sleep 1; kill -chld $$) &
+(sleep 2; echo Hello >test.fifo) &
+
+# We get open("test.fifo") interrupted by SIGCHLD from the first subshell.
+# The shell MUST retry the open (no printing of error messages).
+# Then, the second subshell opens fifo for writing and open unblocks and succeeds.
+cat <test.fifo
+
+echo "Done:$?"
+rm -f test.fifo
diff --git a/shell/hush_test/hush-redir/redir_EINTR1.right b/shell/hush_test/hush-redir/redir_EINTR1.right
new file mode 100644
index 000000000..287d91f67
--- /dev/null
+++ b/shell/hush_test/hush-redir/redir_EINTR1.right
@@ -0,0 +1,2 @@
+Hello
+Done:0
diff --git a/shell/hush_test/hush-redir/redir_EINTR1.tests b/shell/hush_test/hush-redir/redir_EINTR1.tests
new file mode 100755
index 000000000..cede4d4d8
--- /dev/null
+++ b/shell/hush_test/hush-redir/redir_EINTR1.tests
@@ -0,0 +1,13 @@
+rm -f test.fifo
+mkfifo test.fifo
+
+(sleep 1; kill -chld $$) &
+(sleep 2; echo Hello >test.fifo) &
+
+# We get open("test.fifo") interrupted by SIGCHLD from the first subshell.
+# The shell MUST retry the open (no printing of error messages).
+# Then, the second subshell opens fifo for writing and open unblocks and succeeds.
+cat <test.fifo
+
+echo "Done:$?"
+rm -f test.fifo