cp/include/ldep.h

   1 /*
   2  * (C) Copyright 2007-2011  Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
   3  *
   4  * This file is released under the GPLv2.  See the COPYING file for more
   5  * details.
   6  */
   7
   8 #ifndef __LDEP_H
   9 #define __LDEP_H
  10
  11 #define LDEP_STACK_SIZE 10
  12
  13 struct held_lock {
  14         void *ra;                       /* return address */
  15         void *lock;                     /* the lock */
  16         char *lockname;                 /* name of this lock */
  17         struct lock_class *lclass;      /* the class for this lock */
  18 };
  19
  20 struct lock_class {
  21         char *name;
  22         void *ra;
  23         int ndeps;
  24         struct lock_class **deps;
  25 };
  26
  27 #define LOCK_CLASS(cname)       \
  28                 struct lock_class cname = { \
  29                         .name = #cname, \
  30                         .ra = NULL, \
  31                         .ndeps = 0, \
  32                         .deps = NULL, \
  33                 }
  34
  35 extern void ldep_on();
  36
  37 extern void ldep_lock(void *lock, struct lock_class *c, char *lockname);
  38 extern void ldep_unlock(void *lock, char *lockname);
  39 extern void ldep_no_locks();
  40
  41 #endif