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[glibc/history.git] / mach / spin-solid.c
blob3e3fbd4db20dd4109139ae98b660a816a087cca7
1 /* Copyright (C) 1994, 1995, 1997 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17 02111-1307 USA. */
19 #include <spin-lock.h>
20 #include <mach/mach_traps.h>
22 void
23 __spin_lock_solid (spin_lock_t *lock)
25 while (__spin_lock_locked (lock) || ! __spin_try_lock (lock))
26 /* Yield to another thread (system call). */
27 __swtch_pri (0);
29 weak_alias (__spin_lock_solid, spin_lock_solid);