blob: 132238cd6c9afd6d8174aeea2710ad5f55096565 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
|
/* Copyright (C) 1994-2019 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)
|
