mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-27 05:00:15 +00:00
30 lines
1.1 KiB
C
30 lines
1.1 KiB
C
/* Copyright (C) 1994-2020 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/>. */
|
|
|
|
#include <spin-lock.h>
|
|
#include <mach/mach_traps.h>
|
|
|
|
void
|
|
__spin_lock_solid (spin_lock_t *lock)
|
|
{
|
|
while (__spin_lock_locked (lock) || ! __spin_try_lock (lock))
|
|
/* Yield to another thread (system call). */
|
|
__swtch_pri (0);
|
|
}
|
|
weak_alias (__spin_lock_solid, spin_lock_solid);
|
|
libc_hidden_def (__spin_lock_solid)
|