1 This patch uses fdwalk(3c) to close file descriptors; as that function is not

     2 widely implemented, this is unsuitable for upstream.

     3 

     4 --- Python-2.7.7/Modules/posixmodule.c.~1~	2014-05-31 11:58:40.000000000 -0700

     5 +++ Python-2.7.7/Modules/posixmodule.c	2014-06-02 10:49:30.052826955 -0700

     6 @@ -6607,16 +6607,34 @@

     7  "closerange(fd_low, fd_high)\n\n\

     8  Closes all file descriptors in [fd_low, fd_high), ignoring errors.");

     9  

    10 +static int

    11 +close_func(void *lohi, int fd)

    12 +{

    13 +    int lo = ((int *)lohi)[0];

    14 +    int hi = ((int *)lohi)[1];

    15 +

    16 +    if (fd >= hi)

    17 +        return (1);

    18 +    else if (fd >= lo)

    19 +        close(fd);

    20 +

    21 +    return (0);

    22 +}

    23 +

    24  static PyObject *

    25  posix_closerange(PyObject *self, PyObject *args)

    26  {

    27      int fd_from, fd_to, i;

    28 +    int lohi[2];

    29 +

    30      if (!PyArg_ParseTuple(args, "ii:closerange", &fd_from, &fd_to))

    31          return NULL;

    32      Py_BEGIN_ALLOW_THREADS

    33 -    for (i = fd_from; i < fd_to; i++)

    34 -        if (_PyVerify_fd(i))

    35 -            close(i);

    36 +

    37 +    lohi[0] = fd_from;

    38 +    lohi[1] = fd_to;

    39 +    fdwalk(close_func, lohi);

    40 +

    41      Py_END_ALLOW_THREADS

    42      Py_RETURN_NONE;

    43  }