/[hurd]/hurd/libthreads/sync.c
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revision 1.1 by mib, Tue Oct 6 18:31:06 1992 UTC revision 1.2 by roland, Mon May 27 02:50:10 2002 UTC
# Line 1  Line 1 
1  /*  /*
2   * Mach Operating System   * Mach Operating System
3   * Copyright (c) 1991,1990,1989 Carnegie Mellon University   * Copyright (c) 1992,1991,1990,1989 Carnegie Mellon University
4   * All Rights Reserved.   * All Rights Reserved.
5   *   *
6   * Permission to use, copy, modify and distribute this software and its   * Permission to use, copy, modify and distribute this software and its
# Line 26  Line 26 
26  /*  /*
27   * HISTORY   * HISTORY
28   * $Log$   * $Log$
29   * Revision 1.1  1992/10/06 18:31:06  mib   * Revision 1.2  2002/05/27 02:50:10  roland
30   * entered into RCS   * 2002-05-26  Roland McGrath  <roland@frob.com>
31   *   *
32     *      Changes merged from CMU MK83a version:
33     *      * cthreads.h, options.h: Various cleanups.
34     *      * call.c, cthread_data.c, sync.c, mig_support.c: Likewise.
35     *      * i386/cthreads.h, i386/thread.c, i386/lock.s: Likewise.
36     *      * cthread_internals.h: Add decls for internal functions.
37     *      (struct cproc): Use vm_offset_t for stack_base and stack_size members.
38     *      Use natural_t for context member.
39     *      * cprocs.c: Use prototypes for all defns.
40     *      * cthreads.c: Likewise.
41     *      (cthread_exit): Cast any_t to integer_t before int.
42     *
43     * Revision 2.8  93/01/14  18:06:23  danner
44     *      Converted file to ANSI C.
45     *      [92/12/18            pds]
46     *
47   * Revision 2.7  92/03/06  14:09:59  rpd   * Revision 2.7  92/03/06  14:09:59  rpd
48   *      Replaced swtch_pri with yield.   *      Replaced swtch_pri with yield.
49   *      [92/03/06            rpd]   *      [92/03/06            rpd]
# Line 72  Line 87 
87  int cthread_spin_count=0;  int cthread_spin_count=0;
88    
89  void  void
90  spin_lock_solid(p)  spin_lock_solid(register spin_lock_t *p)
         register spin_lock_t *p;  
91  {  {
92          while (spin_lock_locked(p) || !spin_try_lock(p)) {          while (spin_lock_locked(p) || !spin_try_lock(p)) {
93  #ifdef STATISTICS  #ifdef STATISTICS

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