From 51ee270876f4e18ec579e57772e16fce146d805e Mon Sep 17 00:00:00 2001
From: "Gregory P. Smith" <greg@mad-scientist.com>
Date: Mon, 13 Dec 2010 07:59:39 +0000
Subject: issue7213: Open the pipes used by subprocesses with the FD_CLOEXEC
 flag from the C code, using pipe2() when available.  Adds unittests for
 close_fds and cloexec behaviors.

---
 Lib/test/subprocessdata/fd_status.py    | 24 ++++++++++++++++++++++++
 Lib/test/subprocessdata/input_reader.py |  7 +++++++
 Lib/test/subprocessdata/qcat.py         |  7 +++++++
 Lib/test/subprocessdata/qgrep.py        | 10 ++++++++++
 4 files changed, 48 insertions(+)
 create mode 100644 Lib/test/subprocessdata/fd_status.py
 create mode 100644 Lib/test/subprocessdata/input_reader.py
 create mode 100644 Lib/test/subprocessdata/qcat.py
 create mode 100644 Lib/test/subprocessdata/qgrep.py

(limited to 'Lib/test/subprocessdata')

diff --git a/Lib/test/subprocessdata/fd_status.py b/Lib/test/subprocessdata/fd_status.py
new file mode 100644
index 0000000000..083b2f9ec5
--- /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
+import fcntl
+
+try:
+    _MAXFD = os.sysconf("SC_OPEN_MAX")
+except:
+    _MAXFD = 256
+
+def isopen(fd):
+    """Return True if the fd is open, and False otherwise"""
+    try:
+        fcntl.fcntl(fd, fcntl.F_GETFD, 0)
+    except IOError as e:
+        if e.errno == errno.EBADF:
+            return False
+        raise
+    return True
+
+if __name__ == "__main__":
+    print(','.join(str(fd) for fd in range(0, _MAXFD) if isopen(fd)))
diff --git a/Lib/test/subprocessdata/input_reader.py b/Lib/test/subprocessdata/input_reader.py
new file mode 100644
index 0000000000..ccae5f3fa5
--- /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 0000000000..fe6f9db25c
--- /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 0000000000..69906379a9
--- /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)
-- 
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