/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup RTEMSTestFrameworkImpl
*
* @brief This source file contains the implementation of
* T_check_file_descriptors().
*/
/*
* Copyright (C) 2018 embedded brains GmbH & Co. KG
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <rtems/test.h>
#include <rtems/libio_.h>
static int T_open_fds;
static int
T_count_open_fds(void)
{
int free_count;
rtems_libio_t *iop;
free_count = 0;
rtems_libio_lock();
iop = rtems_libio_iop_free_head;
while (iop != NULL) {
++free_count;
iop = iop->data1;
}
rtems_libio_unlock();
return (int)rtems_libio_number_iops - free_count;
}
static void
T_check_open_fds(void)
{
int open_fds;
int delta;
open_fds = T_count_open_fds();
delta = open_fds - T_open_fds;
if (delta != 0) {
T_open_fds = open_fds;
T_check(&T_special, false, "file descriptor leak (%+i)",
delta);
}
}
void
T_check_file_descriptors(T_event event, const char *name)
{
(void)name;
switch (event) {
case T_EVENT_RUN_INITIALIZE_EARLY:
T_open_fds = T_count_open_fds();
break;
case T_EVENT_CASE_END:
T_check_open_fds();
break;
default:
break;
};
}
