sysdeps/mach/hurd/not-cancel.h

   1 /* Uncancelable versions of cancelable interfaces.  Hurd version.
   2    Copyright (C) 2003-2022 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   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.
   9
  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.
  14
  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/>.  */
  18
  19 #ifndef NOT_CANCEL_H
  20 # define NOT_CANCEL_H
  21
  22 #include <fcntl.h>
  23 #include <unistd.h>
  24 #include <poll.h>
  25 #include <sys/wait.h>
  26 #include <time.h>
  27 #include <sys/uio.h>
  28 #include <hurd.h>
  29 #include <hurd/fd.h>
  30
  31 /* Non cancellable close syscall.  */
  32 __typeof (__close) __close_nocancel;
  33
  34 void __close_nocancel_nostatus (int fd);
  35
  36 /* Non cancellable open syscall.  */
  37 __typeof (__open) __open_nocancel;
  38 /* open64 is just the same as open for us.  */
  39 #define __open64_nocancel(...) \
  40   __open_nocancel (__VA_ARGS__)
  41
  42 /* Non cancellable openat syscall.  */
  43 __typeof (__openat) __openat_nocancel;
  44 /* open64 is just the same as open for us.  */
  45 #define __openat64_nocancel(...) \
  46   __openat_nocancel (__VA_ARGS__)
  47
  48 /* Non cancellable read syscall.  */
  49 __typeof (__read) __read_nocancel;
  50
  51 /* Non cancellable pread syscall (LFS version).  */
  52 __typeof (__pread64) __pread64_nocancel;
  53
  54 /* Non cancellable write syscall.  */
  55 __typeof (__write) __write_nocancel;
  56
  57 /* Non cancellable pwrite syscall (LFS version).  */
  58 __typeof (__pwrite64) __pwrite64_nocancel;
  59
  60 /* Non cancellable writev syscall.  */
  61 __typeof (__writev) __writev_nocancel;
  62
  63 /* Non cancellable writev syscall with no status.  */
  64 void __writev_nocancel_nostatus (int fd, const struct iovec *vector, int count);
  65
  66 /* Non cancellable wait4 syscall.  */
  67 __typeof (__wait4) __wait4_nocancel;
  68
  69 # define __waitpid_nocancel(pid, stat_loc, options) \
  70   __wait4_nocancel (pid, stat_loc, options, NULL)
  71
  72 /* Non cancellable fcntl syscall.  */
  73 __typeof (__fcntl) __fcntl_nocancel;
  74 /* fcntl64 is just the same as fcntl for us.  */
  75 #define __fcntl64_nocancel(...) \
  76   __fcntl_nocancel (__VA_ARGS__)
  77
  78 #define __getrandom_nocancel(buf, size, flags) \
  79   __getrandom (buf, size, flags)
  80
  81 #define __poll_infinity_nocancel(fds, nfds) \
  82   __poll (fds, nfds, -1)
  83
  84 #if IS_IN (libc)
  85 hidden_proto (__close_nocancel)
  86 hidden_proto (__close_nocancel_nostatus)
  87 hidden_proto (__open_nocancel)
  88 hidden_proto (__openat_nocancel)
  89 hidden_proto (__read_nocancel)
  90 hidden_proto (__pread64_nocancel)
  91 hidden_proto (__write_nocancel)
  92 hidden_proto (__pwrite64_nocancel)
  93 hidden_proto (__writev_nocancel)
  94 hidden_proto (__writev_nocancel_nostatus)
  95 hidden_proto (__wait4_nocancel)
  96 hidden_proto (__fcntl_nocancel)
  97 #endif
  98
  99 #endif /* NOT_CANCEL_H  */