src/rx/SOLARIS/rx_kmutex.h

   1 /*
   2  * Copyright 2000, International Business Machines Corporation and others.
   3  * All Rights Reserved.
   4  *
   5  * This software has been released under the terms of the IBM Public
   6  * License.  For details, see the LICENSE file in the top-level source
   7  * directory or online at http://www.openafs.org/dl/license10.html
   8  */
   9
  10 /*
  11  * rx_kmutex.h - mutex and condition variable macros for kernel environment.
  12  *
  13  * Solaris implementation.
  14  */
  15
  16 #ifndef _RX_KMUTEX_H_
  17 #define _RX_KMUTEX_H_
  18
  19 #if     defined(AFS_SUN5_ENV) && defined(KERNEL)
  20
  21 #define RX_ENABLE_LOCKS 1
  22
  23 #include <sys/tiuser.h>
  24 #include <sys/t_lock.h>
  25 #include <sys/mutex.h>
  26
  27 typedef kmutex_t afs_kmutex_t;
  28 typedef kcondvar_t afs_kcondvar_t;
  29
  30 #define MUTEX_DESTROY(a)        mutex_destroy(a)
  31 #define MUTEX_INIT(a,b,c,d)     mutex_init(a, b, c, d)
  32 #define MUTEX_ASSERT(a)         osi_Assert(mutex_owned((afs_kmutex_t *)(a)))
  33 #define CV_INIT(a,b,c,d)        cv_init(a, b, c, d)
  34 #define CV_DESTROY(a)           cv_destroy(a)
  35 #define CV_SIGNAL(a)            cv_signal(a)
  36 #define CV_BROADCAST(a)         cv_broadcast(a)
  37
  38 #ifdef RX_LOCKS_DB
  39
  40 #define MUTEX_ENTER(a) \
  41     do { \
  42         mutex_enter(a); \
  43         rxdb_grablock((a), osi_ThreadUnique(), rxdb_fileID, __LINE__); \
  44     } while(0)
  45
  46 #define MUTEX_TRYENTER(a) \
  47     (mutex_tryenter(a) ? (rxdb_grablock((a), osi_ThreadUnique(), \
  48      rxdb_fileID, __LINE__), 1) : 0)
  49
  50 #define MUTEX_EXIT(a) \
  51     do { \
  52         rxdb_droplock((a), osi_ThreadUnique(), rxdb_fileID, __LINE__); \
  53         mutex_exit(a); \
  54     } while(0)
  55
  56 #define CV_WAIT_SIG(cv, m)      afs_cv_wait(cv, m, 1, rxdb_fileID, __LINE__)
  57 #define CV_WAIT(cv, m)          afs_cv_wait(cv, m, 0, rxdb_fileID, __LINE__)
  58
  59 #define CV_TIMEDWAIT(cv, m, t)  \
  60                         afs_cv_timedwait(cv, lck, t, 0, rxdb_fileID, __LINE__)
  61
  62 #else /* RX_LOCKS_DB */
  63
  64 #define MUTEX_ENTER(a)          mutex_enter(a)
  65 #define MUTEX_TRYENTER(a)       mutex_tryenter(a)
  66 #define MUTEX_EXIT(a)           mutex_exit(a)
  67
  68 #define CV_WAIT_SIG(cv, m)      afs_cv_wait(cv, m, 1)
  69 #define CV_WAIT(cv, m)          afs_cv_wait(cv, m, 0)
  70
  71 #define CV_TIMEDWAIT(cv, m, t)  afs_cv_timedwait(cv, m, t, 0)
  72
  73 #endif /* RX_LOCKS_DB */
  74
  75 #endif /* SUN5 && KERNEL */
  76
  77 #endif /* _RX_KMUTEX_H_ */