sysdeps/unix/sysv/linux/epoll_create.c

   1 /* Open an epoll file descriptor.  Linux version.
   2    Copyright (C) 2011-2023 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 #include <sys/epoll.h>
  20 #include <sysdep.h>
  21
  22 libc_hidden_proto (epoll_create)
  23
  24 int
  25 epoll_create (int size)
  26 {
  27 #ifdef __NR_epoll_create
  28   return INLINE_SYSCALL_CALL (epoll_create, size);
  29 #else
  30   if (size <= 0)
  31     {
  32       __set_errno (EINVAL);
  33       return -1;
  34     }
  35
  36   return INLINE_SYSCALL_CALL (epoll_create1, 0);
  37 #endif
  38 }
  39 libc_hidden_def (epoll_create)