4 files changed, 48 insertions, 0 deletions
diff --git a/Lib/test/subprocessdata/fd_status.py b/Lib/test/subprocessdata/fd_status.py
new file mode 100644
index 00000000000..1f61e13a345
--- /dev/null
+++ b/Lib/test/subprocessdata/fd_status.py
@@ -0,0 +1,24 @@
+"""When called as a script, print a comma-separated list of the open
+file descriptors on stdout."""
+
+import errno
+import os
+
+try:
+    _MAXFD = os.sysconf("SC_OPEN_MAX")
+except:
+    _MAXFD = 256
+
+if __name__ == "__main__":
+    fds = []
+    for fd in range(0, _MAXFD):
+        try:
+            st = os.fstat(fd)
+        except OSError as e:
+            if e.errno == errno.EBADF:
+                continue
+            raise
+        # Ignore Solaris door files
+        if st.st_mode & 0xF000 != 0xd000:
+            fds.append(fd)
+    print(','.join(map(str, fds)))
diff --git a/Lib/test/subprocessdata/input_reader.py b/Lib/test/subprocessdata/input_reader.py
new file mode 100644
index 00000000000..1dc3191ad18
--- /dev/null
+++ b/Lib/test/subprocessdata/input_reader.py
@@ -0,0 +1,7 @@
+"""When called as a script, consumes the input"""
+
+import sys
+
+if __name__ == "__main__":
+    for line in sys.stdin:
+        pass
diff --git a/Lib/test/subprocessdata/qcat.py b/Lib/test/subprocessdata/qcat.py
new file mode 100644
index 00000000000..fe6f9db25c9
--- /dev/null
+++ b/Lib/test/subprocessdata/qcat.py
@@ -0,0 +1,7 @@
+"""When ran as a script, simulates cat with no arguments."""
+
+import sys
+
+if __name__ == "__main__":
+    for line in sys.stdin:
+        sys.stdout.write(line)
diff --git a/Lib/test/subprocessdata/qgrep.py b/Lib/test/subprocessdata/qgrep.py
new file mode 100644
index 00000000000..69906379a9b
--- /dev/null
+++ b/Lib/test/subprocessdata/qgrep.py
@@ -0,0 +1,10 @@
+"""When called with a single argument, simulated fgrep with a single
+argument and no options."""
+
+import sys
+
+if __name__ == "__main__":
+    pattern = sys.argv[1]
+    for line in sys.stdin:
+        if pattern in line:
+            sys.stdout.write(line)