LCOV - code coverage report
Current view: top level - usr/include/x86_64-linux-gnu/bits - poll2.h (source / functions) Hit Total Coverage
Test: coverage report for abartlet/fix-coverage dd10fb34 Lines: 2 6 33.3 %
Date: 2021-09-23 10:06:22 Functions: 0 0 -

          Line data    Source code
       1             : /* Checking macros for poll functions.
       2             :    Copyright (C) 2012-2018 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             :    <http://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             : extern int __REDIRECT (__poll_chk_warn, (struct pollfd *__fds, nfds_t __nfds,
      31             :                                          int __timeout, __SIZE_TYPE__ __fdslen),
      32             :                        __poll_chk)
      33             :   __warnattr ("poll called with fds buffer too small file nfds entries");
      34             : 
      35             : __fortify_function int
      36             : poll (struct pollfd *__fds, nfds_t __nfds, int __timeout)
      37             : {
      38      815378 :   if (__bos (__fds) != (__SIZE_TYPE__) -1)
      39             :     {
      40           0 :       if (! __builtin_constant_p (__nfds))
      41           0 :         return __poll_chk (__fds, __nfds, __timeout, __bos (__fds));
      42           0 :       else if (__bos (__fds) / sizeof (*__fds) < __nfds)
      43           0 :         return __poll_chk_warn (__fds, __nfds, __timeout, __bos (__fds));
      44             :     }
      45             : 
      46      829602 :   return __poll_alias (__fds, __nfds, __timeout);
      47             : }
      48             : 
      49             : 
      50             : #ifdef __USE_GNU
      51             : extern int __REDIRECT (__ppoll_alias, (struct pollfd *__fds, nfds_t __nfds,
      52             :                                        const struct timespec *__timeout,
      53             :                                        const __sigset_t *__ss), ppoll);
      54             : extern int __ppoll_chk (struct pollfd *__fds, nfds_t __nfds,
      55             :                         const struct timespec *__timeout,
      56             :                         const __sigset_t *__ss, __SIZE_TYPE__ __fdslen);
      57             : extern int __REDIRECT (__ppoll_chk_warn, (struct pollfd *__fds, nfds_t __nfds,
      58             :                                           const struct timespec *__timeout,
      59             :                                           const __sigset_t *__ss,
      60             :                                           __SIZE_TYPE__ __fdslen),
      61             :                        __ppoll_chk)
      62             :   __warnattr ("ppoll called with fds buffer too small file nfds entries");
      63             : 
      64             : __fortify_function int
      65             : ppoll (struct pollfd *__fds, nfds_t __nfds, const struct timespec *__timeout,
      66             :        const __sigset_t *__ss)
      67             : {
      68             :   if (__bos (__fds) != (__SIZE_TYPE__) -1)
      69             :     {
      70             :       if (! __builtin_constant_p (__nfds))
      71             :         return __ppoll_chk (__fds, __nfds, __timeout, __ss, __bos (__fds));
      72             :       else if (__bos (__fds) / sizeof (*__fds) < __nfds)
      73             :         return __ppoll_chk_warn (__fds, __nfds, __timeout, __ss,
      74             :                                  __bos (__fds));
      75             :     }
      76             : 
      77             :   return __ppoll_alias (__fds, __nfds, __timeout, __ss);
      78             : }
      79             : #endif
      80             : 
      81             : __END_DECLS

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