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662de0889a
and add _nocancel variants. * sysdeps/mach/hurd/write.c (__libc_write): Call __write_nocancel surrounded by enabling async cancel, to replace implementation moved to... * sysdeps/mach/hurd/write_nocancel.c (__write_nocancel): ... here. * sysdeps/mach/hurd/pwrite64.c (__libc_pwrite64): Call __pwrite64_nocancel surrounded by enabling async cancel, to replace implementation moved to... * sysdeps/mach/hurd/pwrite64_nocancel.c (__pwrite64_nocancel): ... here. * sysdeps/mach/hurd/Makefile (sysdep_routines): Add write_nocancel and pwrite64_nocancel. * sysdeps/mach/hurd/not-cancel.h (__write_nocancel, __pwrite64_nocancel): Replace macros with prototypes with a hidden proto on libc. * sysdeps/mach/hurd/dl-sysdep.c (__write_nocancel): New alias, check that it is not hidden. * sysdeps/mach/hurd/Versions (libc.GLIBC_PRIVATE): Add __write_nocancel. (ld.GLIBC_PRIVATE): Add __write_nocancel. * sysdeps/mach/hurd/i386/localplt.data (__write_nocancel): Add reference.
73 lines
2.3 KiB
C
73 lines
2.3 KiB
C
/* Uncancelable versions of cancelable interfaces. Hurd version.
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Copyright (C) 2003-2020 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
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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 <sys/wait.h>
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#include <time.h>
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#include <sys/uio.h>
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#include <hurd.h>
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#include <hurd/fd.h>
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/* For now we have none. Map the name to the normal functions. */
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#define __open_nocancel(...) \
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__open (__VA_ARGS__)
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#define __open64_nocancel(...) \
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__open64 (__VA_ARGS__)
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#define __openat_nocancel(...) \
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__openat (__VA_ARGS__)
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#define __openat64_nocancel(...) \
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__openat64 (__VA_ARGS__)
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#define __close_nocancel(fd) \
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__close (fd)
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void __close_nocancel_nostatus (int fd);
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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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#define __writev_nocancel_nostatus(fd, iov, n) \
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(void) __writev (fd, iov, n)
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# define __waitpid_nocancel(pid, stat_loc, options) \
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__waitpid (pid, stat_loc, options)
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#define __fcntl64_nocancel(fd, cmd, ...) \
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__fcntl64 (fd, cmd, __VA_ARGS__)
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#if IS_IN (libc)
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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 (__close_nocancel_nostatus)
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#endif
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#endif /* NOT_CANCEL_H */
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