Line data    Source code

       1             : /* Checking macros for poll functions.
       2             :    Copyright (C) 2012-2022 Free Software Foundation, Inc.
       3             :    This file is part of the GNU C Library.
       4             : 
       5             :    The GNU C Library is free software; you can redistribute it and/or
       6             :    modify it under the terms of the GNU Lesser General Public
       7             :    License as published by the Free Software Foundation; either
       8             :    version 2.1 of the License, or (at your option) any later version.
       9             : 
      10             :    The GNU C Library is distributed in the hope that it will be useful,
      11             :    but WITHOUT ANY WARRANTY; without even the implied warranty of
      12             :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13             :    Lesser General Public License for more details.
      14             : 
      15             :    You should have received a copy of the GNU Lesser General Public
      16             :    License along with the GNU C Library; if not, see
      17             :    <https://www.gnu.org/licenses/>.  */
      18             : 
      19             : #ifndef _SYS_POLL_H
      20             : # error "Never include <bits/poll2.h> directly; use <sys/poll.h> instead."
      21             : #endif
      22             : 
      23             : 
      24             : __BEGIN_DECLS
      25             : 
      26             : extern int __REDIRECT (__poll_alias, (struct pollfd *__fds, nfds_t __nfds,
      27             :                                       int __timeout), poll);
      28             : extern int __poll_chk (struct pollfd *__fds, nfds_t __nfds, int __timeout,
      29             :                        __SIZE_TYPE__ __fdslen)
      30             :     __attr_access ((__write_only__, 1, 2));
      31             : extern int __REDIRECT (__poll_chk_warn, (struct pollfd *__fds, nfds_t __nfds,
      32             :                                          int __timeout, __SIZE_TYPE__ __fdslen),
      33             :                        __poll_chk)
      34             :   __warnattr ("poll called with fds buffer too small file nfds entries");
      35             : 
      36             : __fortify_function __fortified_attr_access (__write_only__, 1, 2) int
      37    14295861 : poll (struct pollfd *__fds, nfds_t __nfds, int __timeout)
      38             : {
      39    14295861 :   return __glibc_fortify (poll, __nfds, sizeof (*__fds),
      40             :                           __glibc_objsize (__fds),
      41             :                           __fds, __nfds, __timeout);
      42             : }
      43             : 
      44             : 
      45             : #ifdef __USE_GNU
      46             : extern int __REDIRECT (__ppoll_alias, (struct pollfd *__fds, nfds_t __nfds,
      47             :                                        const struct timespec *__timeout,
      48             :                                        const __sigset_t *__ss), ppoll);
      49             : extern int __ppoll_chk (struct pollfd *__fds, nfds_t __nfds,
      50             :                         const struct timespec *__timeout,
      51             :                         const __sigset_t *__ss, __SIZE_TYPE__ __fdslen)
      52             :     __attr_access ((__write_only__, 1, 2));
      53             : extern int __REDIRECT (__ppoll_chk_warn, (struct pollfd *__fds, nfds_t __nfds,
      54             :                                           const struct timespec *__timeout,
      55             :                                           const __sigset_t *__ss,
      56             :                                           __SIZE_TYPE__ __fdslen),
      57             :                        __ppoll_chk)
      58             :   __warnattr ("ppoll called with fds buffer too small file nfds entries");
      59             : 
      60             : __fortify_function __fortified_attr_access (__write_only__, 1, 2) int
      61             : ppoll (struct pollfd *__fds, nfds_t __nfds, const struct timespec *__timeout,
      62             :        const __sigset_t *__ss)
      63             : {
      64             :   return __glibc_fortify (ppoll, __nfds, sizeof (*__fds),
      65             :                           __glibc_objsize (__fds),
      66             :                           __fds, __nfds, __timeout, __ss);
      67             : }
      68             : #endif
      69             : 
      70             : __END_DECLS