1 /* Uncancelable versions of cancelable interfaces. Linux/NPTL version.
2 Copyright (C) 2003-2022 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 /* Non cancellable close syscall that does not also set errno in case of
58 __close_nocancel_nostatus (int fd)
60 __close_nocancel (fd);
63 /* Non cancellable writev syscall that does not also set errno in case of
66 __writev_nocancel_nostatus (int fd, const struct iovec *iov, int iovcnt)
68 INTERNAL_SYSCALL_CALL (writev, fd, iov, iovcnt);
72 __getrandom_nocancel (void *buf, size_t buflen, unsigned int flags)
74 return INTERNAL_SYSCALL_CALL (getrandom, buf, buflen, flags);
78 __poll_infinity_nocancel (struct pollfd *fds, nfds_t nfds)
80 return INLINE_SYSCALL_CALL (ppoll, fds, nfds, NULL, NULL, 0);
83 /* Uncancelable fcntl. */
84 __typeof (__fcntl) __fcntl64_nocancel;
86 #if IS_IN (libc) || IS_IN (rtld)
87 hidden_proto (__open_nocancel)
88 hidden_proto (__open64_nocancel)
89 hidden_proto (__openat_nocancel)
90 hidden_proto (__openat64_nocancel)
91 hidden_proto (__read_nocancel)
92 hidden_proto (__pread64_nocancel)
93 hidden_proto (__write_nocancel)
94 hidden_proto (__close_nocancel)
95 hidden_proto (__fcntl64_nocancel)
98 #endif /* NOT_CANCEL_H */