File Coverage

/usr/include/x86_64-linux-gnu/bits/poll2.h
Criterion Covered Total %
statement 1 1 100.0
branch n/a
condition n/a
subroutine n/a
pod n/a
total 1 1 100.0


line stmt bran cond sub pod time code
1             /* Checking macros for poll functions.
2             Copyright (C) 2012-2016 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             . */
18              
19             #ifndef _SYS_POLL_H
20             # error "Never include directly; use 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             if (__bos (__fds) != (__SIZE_TYPE__) -1)
39             {
40             if (! __builtin_constant_p (__nfds))
41             return __poll_chk (__fds, __nfds, __timeout, __bos (__fds));
42             else if (__bos (__fds) / sizeof (*__fds) < __nfds)
43             return __poll_chk_warn (__fds, __nfds, __timeout, __bos (__fds));
44             }
45              
46 6           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