1 /* Uncancelable versions of cancelable interfaces. Linux/NPTL version.
2 Copyright (C) 2003-2023 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
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/>. */
27 #include <sys/syscall.h>
31 /* Non cancellable open syscall. */
32 __typeof (open
) __open_nocancel
;
34 /* Non cancellable open syscall (LFS version). */
35 __typeof (open64
) __open64_nocancel
;
37 /* Non cancellable openat syscall. */
38 __typeof (openat
) __openat_nocancel
;
40 /* Non cacellable openat syscall (LFS version). */
41 __typeof (openat64
) __openat64_nocancel
;
43 /* Non cancellable read syscall. */
44 __typeof (__read
) __read_nocancel
;
46 /* Non cancellable pread syscall (LFS version). */
47 __typeof (__pread64
) __pread64_nocancel
;
49 /* Uncancelable write. */
50 __typeof (__write
) __write_nocancel
;
52 /* Uncancelable close. */
53 __typeof (__close
) __close_nocancel
;
55 /* Uncancelable fcntl. */
56 __typeof (__fcntl
) __fcntl64_nocancel
;
58 #if IS_IN (libc) || IS_IN (rtld)
59 hidden_proto (__open_nocancel
)
60 hidden_proto (__open64_nocancel
)
61 hidden_proto (__openat_nocancel
)
62 hidden_proto (__openat64_nocancel
)
63 hidden_proto (__read_nocancel
)
64 hidden_proto (__pread64_nocancel
)
65 hidden_proto (__write_nocancel
)
66 hidden_proto (__close_nocancel
)
67 hidden_proto (__fcntl64_nocancel
)
70 /* Non cancellable close syscall that does not also set errno in case of
73 __close_nocancel_nostatus (int fd
)
75 __close_nocancel (fd
);
78 /* Non cancellable writev syscall that does not also set errno in case of
81 __writev_nocancel_nostatus (int fd
, const struct iovec
*iov
, int iovcnt
)
83 INTERNAL_SYSCALL_CALL (writev
, fd
, iov
, iovcnt
);
87 __getrandom_nocancel (void *buf
, size_t buflen
, unsigned int flags
)
89 return INTERNAL_SYSCALL_CALL (getrandom
, buf
, buflen
, flags
);
93 __poll_infinity_nocancel (struct pollfd
*fds
, nfds_t nfds
)
95 return INLINE_SYSCALL_CALL (ppoll
, fds
, nfds
, NULL
, NULL
, 0);
98 #endif /* NOT_CANCEL_H */