108 lines
3.2 KiB
C
108 lines
3.2 KiB
C
/* Uncancelable versions of cancelable interfaces. Hurd version.
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Copyright (C) 2003-2022 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#ifndef NOT_CANCEL_H
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# define NOT_CANCEL_H
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#include <fcntl.h>
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#include <unistd.h>
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#include <poll.h>
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#include <sys/wait.h>
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#include <time.h>
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#include <sys/uio.h>
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#include <sys/random.h>
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#include <hurd.h>
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#include <hurd/fd.h>
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/* Non cancellable close syscall. */
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__typeof (__close) __close_nocancel;
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void __close_nocancel_nostatus (int fd);
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/* Non cancellable open syscall. */
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__typeof (__open) __open_nocancel;
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/* open64 is just the same as open for us. */
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#define __open64_nocancel(...) \
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__open_nocancel (__VA_ARGS__)
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/* Non cancellable openat syscall. */
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__typeof (__openat) __openat_nocancel;
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/* open64 is just the same as open for us. */
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#define __openat64_nocancel(...) \
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__openat_nocancel (__VA_ARGS__)
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/* Non cancellable read syscall. */
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__typeof (__read) __read_nocancel;
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/* Non cancellable pread syscall (LFS version). */
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__typeof (__pread64) __pread64_nocancel;
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/* Non cancellable write syscall. */
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__typeof (__write) __write_nocancel;
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/* Non cancellable pwrite syscall (LFS version). */
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__typeof (__pwrite64) __pwrite64_nocancel;
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/* Non cancellable writev syscall. */
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__typeof (__writev) __writev_nocancel;
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/* Non cancellable writev syscall with no status. */
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void __writev_nocancel_nostatus (int fd, const struct iovec *vector, int count);
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/* Non cancellable wait4 syscall. */
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__typeof (__wait4) __wait4_nocancel;
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# define __waitpid_nocancel(pid, stat_loc, options) \
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__wait4_nocancel (pid, stat_loc, options, NULL)
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/* Non cancellable fcntl syscall. */
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__typeof (__fcntl) __fcntl_nocancel;
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/* fcntl64 is just the same as fcntl for us. */
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#define __fcntl64_nocancel(...) \
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__fcntl_nocancel (__VA_ARGS__)
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static inline ssize_t
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__getrandom_nocancel (void *buf, size_t buflen, unsigned int flags)
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{
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int save_errno = errno;
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ssize_t r = __getrandom (buf, buflen, flags);
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r = r == -1 ? -errno : r;
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__set_errno (save_errno);
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return r;
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}
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#define __poll_infinity_nocancel(fds, nfds) \
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__poll (fds, nfds, -1)
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#if IS_IN (libc)
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hidden_proto (__close_nocancel)
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hidden_proto (__close_nocancel_nostatus)
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hidden_proto (__open_nocancel)
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hidden_proto (__openat_nocancel)
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hidden_proto (__read_nocancel)
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hidden_proto (__pread64_nocancel)
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hidden_proto (__write_nocancel)
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hidden_proto (__pwrite64_nocancel)
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hidden_proto (__writev_nocancel)
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hidden_proto (__writev_nocancel_nostatus)
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hidden_proto (__wait4_nocancel)
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hidden_proto (__fcntl_nocancel)
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#endif
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#endif /* NOT_CANCEL_H */
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