sysdeps/unix/sysv/linux/alpha/brk_call.h

   1 /* Invoke the brk system call.  Alpha version.
   2    Copyright (C) 2022-2024 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 static inline void *
  20 __brk_call (void *addr)
  21 {
  22   unsigned long int result = INTERNAL_SYSCALL_CALL (brk, addr);
  23   if (result == -ENOMEM)
  24     /* Mimic the generic error reporting behavior.  */
  25     result = INTERNAL_SYSCALL_CALL (brk, 0);
  26   return (void *) result;
  27 }