src/rx/NBSD/rx_kmutex.c

   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.c - mutex and condition variable macros for kernel environment.
  12  *
  13  * NetBSD implementation.
  14  */
  15
  16 #include <afsconfig.h>
  17 #include "afs/param.h"
  18
  19 #if defined(AFS_NBSD50_ENV)
  20
  21 #include "rx/rx_kcommon.h"
  22 #include "rx_kmutex.h"
  23 #include "rx/rx_kernel.h"
  24
  25 int
  26 afs_cv_wait(afs_kcondvar_t *cv, afs_kmutex_t *m, int sigok)
  27 {
  28     int haveGlock = ISAFS_GLOCK();
  29     int retval = 0;
  30
  31     if (haveGlock)
  32         AFS_GUNLOCK();
  33     if (sigok) {
  34         if (cv_wait_sig(cv, m) == 0)
  35             retval = EINTR;
  36     } else {
  37         cv_wait(cv, m);
  38     }
  39     if (haveGlock) {
  40         MUTEX_EXIT(m);
  41         AFS_GLOCK();
  42         MUTEX_ENTER(m);
  43     }
  44     return retval;
  45 }
  46
  47 int
  48 afs_cv_timedwait(afs_kcondvar_t *cv, afs_kmutex_t *m, int t, int sigok)
  49 {
  50     int haveGlock = ISAFS_GLOCK();
  51     int retval = 0;
  52
  53     if (haveGlock)
  54         AFS_GUNLOCK();
  55     if (sigok) {
  56         if (cv_timedwait_sig(cv, m, t) == 0)
  57             retval = EINTR;
  58     } else {
  59         cv_timedwait(cv, m, t);
  60     }
  61     if (haveGlock) {
  62         MUTEX_EXIT(m);
  63         AFS_GLOCK();
  64         MUTEX_ENTER(m);
  65     }
  66     return retval;
  67 }
  68
  69 #endif /* AFS_NBSD50_ENV */