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- /* Monitoring file descriptor usage.
- Copyright (C) 2018-2019 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
- #ifndef SUPPORT_DESCRIPTORS_H
- #define SUPPORT_DESCRIPTORS_H
- #include <stdio.h>
- /* Opaque pointer, for capturing file descriptor lists. */
- struct support_descriptors;
- /* Record the currently open file descriptors and store them in the
- returned list. Terminate the process if the listing operation
- fails. */
- struct support_descriptors *support_descriptors_list (void);
- /* Deallocate the list of descriptors. */
- void support_descriptors_free (struct support_descriptors *);
- /* Write the list of descriptors to STREAM, adding PREFIX to each
- line. */
- void support_descriptors_dump (struct support_descriptors *,
- const char *prefix, FILE *stream);
- /* Check for file descriptor leaks and other file descriptor changes:
- Compare the current list of descriptors with the passed list.
- Record a test failure if there are additional open descriptors,
- descriptors have been closed, or if a change in file descriptor can
- be detected. */
- void support_descriptors_check (struct support_descriptors *);
- #endif /* SUPPORT_DESCRIPTORS_H */
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