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/* Uncancelable versions of cancelable interfaces. Hurd version.
Copyright (C) 2003-2025 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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 <unistd.h>
#include <poll.h>
#include <sys/wait.h>
#include <time.h>
#include <sys/uio.h>
#include <sys/random.h>
#include <hurd.h>
#include <hurd/fd.h>
/* Non cancellable close syscall. */
__typeof (__close) __close_nocancel;
void __close_nocancel_nostatus (int fd);
/* Non cancellable open syscall. */
__typeof (__open) __open_nocancel;
/* open64 is just the same as open for us. */
#define __open64_nocancel(...) \
__open_nocancel (__VA_ARGS__)
/* Non cancellable openat syscall. */
__typeof (__openat) __openat_nocancel;
/* open64 is just the same as open for us. */
#define __openat64_nocancel(...) \
__openat_nocancel (__VA_ARGS__)
/* Non cancellable read syscall. */
__typeof (__read) __read_nocancel;
/* Non cancellable pread syscall (LFS version). */
__typeof (__pread64) __pread64_nocancel;
/* Non cancellable write syscall. */
__typeof (__write) __write_nocancel;
/* Non cancellable pwrite syscall (LFS version). */
__typeof (__pwrite64) __pwrite64_nocancel;
/* Non cancellable writev syscall. */
__typeof (__writev) __writev_nocancel;
/* Non cancellable writev syscall with no status. */
void __writev_nocancel_nostatus (int fd, const struct iovec *vector, int count);
/* Non cancellable wait4 syscall. */
__typeof (__wait4) __wait4_nocancel;
# define __waitpid_nocancel(pid, stat_loc, options) \
__wait4_nocancel (pid, stat_loc, options, NULL)
/* Non cancellable fcntl syscall. */
__typeof (__fcntl) __fcntl_nocancel;
/* fcntl64 is just the same as fcntl for us. */
#define __fcntl64_nocancel(...) \
__fcntl_nocancel (__VA_ARGS__)
/* Non cancellable getrandom syscall that does not also set errno in case of
failure. */
static inline ssize_t
__getrandom_nocancel_nostatus_direct (void *buf, size_t buflen, unsigned int flags)
{
int save_errno = errno;
ssize_t r = __getrandom (buf, buflen, flags);
r = r == -1 ? -errno : r;
__set_errno (save_errno);
return r;
}
#define __getrandom_nocancel(buf, size, flags) \
__getrandom (buf, size, flags)
#define __getrandom_nocancel_direct(buf, size, flags) \
__getrandom (buf, size, flags)
#define __poll_infinity_nocancel(fds, nfds) \
__poll (fds, nfds, -1)
#if IS_IN (libc)
hidden_proto (__close_nocancel)
hidden_proto (__close_nocancel_nostatus)
hidden_proto (__open_nocancel)
hidden_proto (__openat_nocancel)
hidden_proto (__read_nocancel)
hidden_proto (__pread64_nocancel)
hidden_proto (__write_nocancel)
hidden_proto (__pwrite64_nocancel)
hidden_proto (__writev_nocancel)
hidden_proto (__writev_nocancel_nostatus)
hidden_proto (__wait4_nocancel)
hidden_proto (__fcntl_nocancel)
#endif
#endif /* NOT_CANCEL_H */
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