Line data Source code
1 : /* Checking macros for poll functions.
2 : Copyright (C) 2012-2024 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 49342 : poll (struct pollfd *__fds, nfds_t __nfds, int __timeout)
38 : {
39 49342 : return __glibc_fortify (poll, __nfds, sizeof (*__fds),
40 : __glibc_objsize (__fds),
41 : __fds, __nfds, __timeout);
42 : }
43 :
44 :
45 : #ifdef __USE_GNU
46 : # ifdef __USE_TIME_BITS64
47 : extern int __REDIRECT (__ppoll64_alias, (struct pollfd *__fds, nfds_t __nfds,
48 : const struct timespec *__timeout,
49 : const __sigset_t *__ss), __ppoll64);
50 : extern int __ppoll64_chk (struct pollfd *__fds, nfds_t __nfds,
51 : const struct timespec *__timeout,
52 : const __sigset_t *__ss, __SIZE_TYPE__ __fdslen)
53 : __attr_access ((__write_only__, 1, 2));
54 : extern int __REDIRECT (__ppoll64_chk_warn, (struct pollfd *__fds, nfds_t __n,
55 : const struct timespec *__timeout,
56 : const __sigset_t *__ss,
57 : __SIZE_TYPE__ __fdslen),
58 : __ppoll64_chk)
59 : __warnattr ("ppoll called with fds buffer too small file nfds entries");
60 :
61 : __fortify_function __fortified_attr_access (__write_only__, 1, 2) int
62 : ppoll (struct pollfd *__fds, nfds_t __nfds, const struct timespec *__timeout,
63 : const __sigset_t *__ss)
64 : {
65 : return __glibc_fortify (ppoll64, __nfds, sizeof (*__fds),
66 : __glibc_objsize (__fds),
67 : __fds, __nfds, __timeout, __ss);
68 : }
69 : # else
70 : extern int __REDIRECT (__ppoll_alias, (struct pollfd *__fds, nfds_t __nfds,
71 : const struct timespec *__timeout,
72 : const __sigset_t *__ss), ppoll);
73 : extern int __ppoll_chk (struct pollfd *__fds, nfds_t __nfds,
74 : const struct timespec *__timeout,
75 : const __sigset_t *__ss, __SIZE_TYPE__ __fdslen)
76 : __attr_access ((__write_only__, 1, 2));
77 : extern int __REDIRECT (__ppoll_chk_warn, (struct pollfd *__fds, nfds_t __nfds,
78 : const struct timespec *__timeout,
79 : const __sigset_t *__ss,
80 : __SIZE_TYPE__ __fdslen),
81 : __ppoll_chk)
82 : __warnattr ("ppoll called with fds buffer too small file nfds entries");
83 :
84 : __fortify_function __fortified_attr_access (__write_only__, 1, 2) int
85 : ppoll (struct pollfd *__fds, nfds_t __nfds, const struct timespec *__timeout,
86 : const __sigset_t *__ss)
87 : {
88 : return __glibc_fortify (ppoll, __nfds, sizeof (*__fds),
89 : __glibc_objsize (__fds),
90 : __fds, __nfds, __timeout, __ss);
91 : }
92 : # endif
93 : #endif
94 :
95 : __END_DECLS
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