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- /* Checking macros for poll functions.
- Copyright (C) 2012-2026 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
- <https://www.gnu.org/licenses/>. */
- #ifndef _SYS_POLL_H
- # error "Never include <bits/poll2.h> directly; use <sys/poll.h> instead."
- #endif
- __BEGIN_DECLS
- extern int __REDIRECT (__poll_alias, (struct pollfd *__fds, nfds_t __nfds,
- int __timeout), poll);
- extern int __poll_chk (struct pollfd *__fds, nfds_t __nfds, int __timeout,
- __SIZE_TYPE__ __fdslen)
- __attr_access ((__write_only__, 1, 2));
- extern int __REDIRECT (__poll_chk_warn, (struct pollfd *__fds, nfds_t __nfds,
- int __timeout, __SIZE_TYPE__ __fdslen),
- __poll_chk)
- __warnattr ("poll called with fds buffer too small file nfds entries");
- __fortify_function __fortified_attr_access (__write_only__, 1, 2)
- __attribute_overloadable__ int
- poll (__fortify_clang_overload_arg (struct pollfd *, ,__fds), nfds_t __nfds,
- int __timeout)
- __fortify_clang_warning_only_if_bos_lt2 (__nfds, __fds, sizeof (*__fds),
- "poll called with fds buffer "
- "too small file nfds entries")
- {
- return __glibc_fortify (poll, __nfds, sizeof (*__fds),
- __glibc_objsize (__fds),
- __fds, __nfds, __timeout);
- }
- #ifdef __USE_GNU
- # ifdef __USE_TIME64_REDIRECTS
- extern int __REDIRECT (__ppoll64_alias, (struct pollfd *__fds, nfds_t __nfds,
- const struct timespec *__timeout,
- const __sigset_t *__ss), __ppoll64);
- extern int __ppoll64_chk (struct pollfd *__fds, nfds_t __nfds,
- const struct timespec *__timeout,
- const __sigset_t *__ss, __SIZE_TYPE__ __fdslen)
- __attr_access ((__write_only__, 1, 2));
- extern int __REDIRECT (__ppoll64_chk_warn, (struct pollfd *__fds, nfds_t __n,
- const struct timespec *__timeout,
- const __sigset_t *__ss,
- __SIZE_TYPE__ __fdslen),
- __ppoll64_chk)
- __warnattr ("ppoll called with fds buffer too small file nfds entries");
- __fortify_function __fortified_attr_access (__write_only__, 1, 2)
- __attribute_overloadable__ int
- ppoll (__fortify_clang_overload_arg (struct pollfd *, ,__fds), nfds_t __nfds,
- const struct timespec *__timeout, const __sigset_t *__ss)
- __fortify_clang_warning_only_if_bos_lt2 (__nfds, __fds, sizeof (*__fds),
- "ppoll called with fds buffer "
- "too small file nfds entries")
- {
- return __glibc_fortify (ppoll64, __nfds, sizeof (*__fds),
- __glibc_objsize (__fds),
- __fds, __nfds, __timeout, __ss);
- }
- # else
- extern int __REDIRECT (__ppoll_alias, (struct pollfd *__fds, nfds_t __nfds,
- const struct timespec *__timeout,
- const __sigset_t *__ss), ppoll);
- extern int __ppoll_chk (struct pollfd *__fds, nfds_t __nfds,
- const struct timespec *__timeout,
- const __sigset_t *__ss, __SIZE_TYPE__ __fdslen)
- __attr_access ((__write_only__, 1, 2));
- extern int __REDIRECT (__ppoll_chk_warn, (struct pollfd *__fds, nfds_t __nfds,
- const struct timespec *__timeout,
- const __sigset_t *__ss,
- __SIZE_TYPE__ __fdslen),
- __ppoll_chk)
- __warnattr ("ppoll called with fds buffer too small file nfds entries");
- __fortify_function __fortified_attr_access (__write_only__, 1, 2)
- __attribute_overloadable__ int
- ppoll (__fortify_clang_overload_arg (struct pollfd *, ,__fds), nfds_t __nfds,
- const struct timespec *__timeout, const __sigset_t *__ss)
- __fortify_clang_warning_only_if_bos_lt2 (__nfds, __fds, sizeof (*__fds),
- "ppoll called with fds buffer "
- "too small file nfds entries")
- {
- return __glibc_fortify (ppoll, __nfds, sizeof (*__fds),
- __glibc_objsize (__fds),
- __fds, __nfds, __timeout, __ss);
- }
- # endif
- #endif
- __END_DECLS
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