mirror of
https://sourceware.org/git/glibc.git
synced 2025-08-26 08:22:38 +03:00
e7ad26ee3c
The kernel special-cases the zero argument for alpha brk, and we can
use that to restore the generic Linux error handling behavior.
Fixes commit b57ab258c1 ("Linux:
Introduce __brk_call for invoking the brk system call").
28 lines
1.1 KiB
C
28 lines
1.1 KiB
C
/* Invoke the brk system call. Alpha version.
|
|
Copyright (C) 2022 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/>. */
|
|
|
|
static inline void *
|
|
__brk_call (void *addr)
|
|
{
|
|
unsigned long int result = INTERNAL_SYSCALL_CALL (brk, addr);
|
|
if (result == -ENOMEM)
|
|
/* Mimic the generic error reporting behavior. */
|
|
result = INTERNAL_SYSCALL_CALL (brk, 0);
|
|
return (void *) result;
|
|
}
|