New upstream version 0.7.11

[mirror_spl-debian.git] / include / sys / condvar.h

diff --git a/include/sys/condvar.h b/include/sys/condvar.h
index d854026accce423fc8c985a843dce7e988f87ec5..ce3149aa19f25cfa5f63c506b1bd6f50aad658ca 100644 (file)
--- a/include/sys/condvar.h
+++ b/include/sys/condvar.h
@@ -1,4 +1,4 @@
-/*****************************************************************************\
+/*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
  *  Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
@@ -6,7 +6,7 @@
  *  UCRL-CODE-235197
  *
  *  This file is part of the SPL, Solaris Porting Layer.
- *  For details, see <http://github.com/behlendorf/spl/>.
+ *  For details, see <http://zfsonlinux.org/>.
  *
  *  The SPL is free software; you can redistribute it and/or modify it
  *  under the terms of the GNU General Public License as published by the
@@ -20,55 +20,63 @@
  *
  *  You should have received a copy of the GNU General Public License along
  *  with the SPL.  If not, see <http://www.gnu.org/licenses/>.
-\*****************************************************************************/
+ */
 
 #ifndef _SPL_CONDVAR_H
-#define _SPL_CONDVAR_H
+#define        _SPL_CONDVAR_H
 
 #include <linux/module.h>
-#include <linux/wait.h>
+#include <linux/wait_compat.h>
+#include <linux/delay_compat.h>
 #include <sys/kmem.h>
 #include <sys/mutex.h>
+#include <sys/callo.h>
+#include <sys/time.h>
 
 /*
  * The kcondvar_t struct is protected by mutex taken externally before
  * calling any of the wait/signal funs, and passed into the wait funs.
  */
-#define CV_MAGIC                       0x346545f4
-#define CV_POISON                      0x95
+#define        CV_MAGIC                        0x346545f4
+#define        CV_DESTROY                      0x346545f5
 
 typedef struct {
        int cv_magic;
-       char *cv_name;
-       int cv_name_size;
-       wait_queue_head_t cv_event;
+       spl_wait_queue_head_t cv_event;
+       spl_wait_queue_head_t cv_destroy;
+       atomic_t cv_refs;
        atomic_t cv_waiters;
        kmutex_t *cv_mutex;
-       spinlock_t cv_lock;
 } kcondvar_t;
 
-typedef enum { CV_DEFAULT=0, CV_DRIVER } kcv_type_t;
+typedef enum { CV_DEFAULT = 0, CV_DRIVER } kcv_type_t;
 
-extern void __cv_init(kcondvar_t *cvp, char *name, kcv_type_t type, void *arg);
-extern void __cv_destroy(kcondvar_t *cvp);
-extern void __cv_wait(kcondvar_t *cvp, kmutex_t *mp);
-extern void __cv_wait_interruptible(kcondvar_t *cvp, kmutex_t *mp);
-extern clock_t __cv_timedwait(kcondvar_t *cvp, kmutex_t *mp, clock_t exp_time);
-extern void __cv_signal(kcondvar_t *cvp);
-extern void __cv_broadcast(kcondvar_t *cvp);
+extern void __cv_init(kcondvar_t *, char *, kcv_type_t, void *);
+extern void __cv_destroy(kcondvar_t *);
+extern void __cv_wait(kcondvar_t *, kmutex_t *);
+extern void __cv_wait_io(kcondvar_t *, kmutex_t *);
+extern void __cv_wait_sig(kcondvar_t *, kmutex_t *);
+extern clock_t __cv_timedwait(kcondvar_t *, kmutex_t *, clock_t);
+extern clock_t __cv_timedwait_io(kcondvar_t *, kmutex_t *, clock_t);
+extern clock_t __cv_timedwait_sig(kcondvar_t *, kmutex_t *, clock_t);
+extern clock_t cv_timedwait_hires(kcondvar_t *, kmutex_t *, hrtime_t,
+    hrtime_t res, int flag);
+extern clock_t cv_timedwait_sig_hires(kcondvar_t *, kmutex_t *, hrtime_t,
+    hrtime_t res, int flag);
+extern void __cv_signal(kcondvar_t *);
+extern void __cv_broadcast(kcondvar_t *c);
 
-#define cv_init(cvp, name, type, arg)                                 \
-({                                                                    \
-       if ((name) == NULL)                                           \
-               __cv_init(cvp, #cvp, type, arg);                      \
-       else                                                          \
-               __cv_init(cvp, name, type, arg);                      \
-})
-#define cv_destroy(cvp)                        __cv_destroy(cvp)
-#define cv_wait(cvp, mp)               __cv_wait(cvp, mp)
-#define cv_wait_interruptible(cvp, mp) __cv_wait_interruptible(cvp, mp)
-#define cv_timedwait(cvp, mp, t)       __cv_timedwait(cvp, mp, t)
-#define cv_signal(cvp)                 __cv_signal(cvp)
-#define cv_broadcast(cvp)              __cv_broadcast(cvp)
+#define        cv_init(cvp, name, type, arg)           __cv_init(cvp, name, type, arg)
+#define        cv_destroy(cvp)                         __cv_destroy(cvp)
+#define        cv_wait(cvp, mp)                        __cv_wait(cvp, mp)
+#define        cv_wait_io(cvp, mp)                     __cv_wait_io(cvp, mp)
+#define        cv_wait_sig(cvp, mp)                    __cv_wait_sig(cvp, mp)
+#define        cv_wait_interruptible(cvp, mp)          cv_wait_sig(cvp, mp)
+#define        cv_timedwait(cvp, mp, t)                __cv_timedwait(cvp, mp, t)
+#define        cv_timedwait_io(cvp, mp, t)             __cv_timedwait_io(cvp, mp, t)
+#define        cv_timedwait_sig(cvp, mp, t)            __cv_timedwait_sig(cvp, mp, t)
+#define        cv_timedwait_interruptible(cvp, mp, t)  cv_timedwait_sig(cvp, mp, t)
+#define        cv_signal(cvp)                          __cv_signal(cvp)
+#define        cv_broadcast(cvp)                       __cv_broadcast(cvp)
 
 #endif /* _SPL_CONDVAR_H */