/*
- * This file is part of the SPL: Solaris Porting Layer.
- *
- * Copyright (c) 2008 Lawrence Livermore National Security, LLC.
- * Produced at Lawrence Livermore National Laboratory
- * Written by:
- * Brian Behlendorf <behlendorf1@llnl.gov>,
- * Herb Wartens <wartens2@llnl.gov>,
- * Jim Garlick <garlick@llnl.gov>
+ * 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).
+ * Written by Brian Behlendorf <behlendorf1@llnl.gov>.
* UCRL-CODE-235197
*
- * This is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * This file is part of the SPL, Solaris Porting Layer.
+ * 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
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
*
- * This is distributed in the hope that it will be useful, but WITHOUT
+ * The SPL is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * with the SPL. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _SPL_CONDVAR_H
-#define _SPL_CONDVAR_H
-
-#ifdef __cplusplus
-extern "C" {
-#endif
+#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
+/*
+ * 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 */
projects / mirror_spl-debian.git / blobdiff