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30 lines
1.1 KiB
C
30 lines
1.1 KiB
C
/* Copyright (C) 1994-2020 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <spin-lock.h>
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#include <mach/mach_traps.h>
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void
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__spin_lock_solid (spin_lock_t *lock)
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{
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while (__spin_lock_locked (lock) || ! __spin_try_lock (lock))
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/* Yield to another thread (system call). */
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__swtch_pri (0);
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}
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weak_alias (__spin_lock_solid, spin_lock_solid);
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libc_hidden_def (__spin_lock_solid)
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