blob: bf09a3d6b8f2f0af10f6c10eee91cefde229f401 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
/* Uncancelable versions of cancelable interfaces. Linux/NPTL version.
Copyright (C) 2003-2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
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 NOT_CANCEL_H
# define NOT_CANCEL_H
#include <fcntl.h>
#include <sysdep.h>
#include <errno.h>
#include <unistd.h>
#include <sys/syscall.h>
#include <sys/wait.h>
#include <time.h>
/* Non cancellable open syscall. */
__typeof (open) __open_nocancel;
/* Non cancellable open syscall (LFS version). */
__typeof (open64) __open64_nocancel;
/* Non cancellable openat syscall. */
__typeof (openat) __openat_nocancel;
/* Non cacellable openat syscall (LFS version). */
__typeof (openat64) __openat64_nocancel;
/* Non cancellable read syscall. */
__typeof (__read) __read_nocancel;
/* Non cancellable pread syscall (LFS version). */
__typeof (__pread64) __pread64_nocancel;
/* Uncancelable write. */
__typeof (__write) __write_nocancel;
/* Uncancelable close. */
__typeof (__close) __close_nocancel;
/* Non cancellable close syscall that does not also set errno in case of
failure. */
static inline void
__close_nocancel_nostatus (int fd)
{
__close_nocancel (fd);
}
/* Non cancellable writev syscall that does not also set errno in case of
failure. */
static inline void
__writev_nocancel_nostatus (int fd, const struct iovec *iov, int iovcnt)
{
INTERNAL_SYSCALL_CALL (writev, fd, iov, iovcnt);
}
/* Uncancelable fcntl. */
__typeof (__fcntl) __fcntl64_nocancel;
#if IS_IN (libc) || IS_IN (rtld)
hidden_proto (__open_nocancel)
hidden_proto (__open64_nocancel)
hidden_proto (__openat_nocancel)
hidden_proto (__openat64_nocancel)
hidden_proto (__read_nocancel)
hidden_proto (__pread64_nocancel)
hidden_proto (__write_nocancel)
hidden_proto (__close_nocancel)
hidden_proto (__fcntl64_nocancel)
#endif
#endif /* NOT_CANCEL_H */
|
