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/* $OpenBSD: rf_threadstuff.c,v 1.3 2000/01/07 14:50:23 peter Exp $ */
/* $NetBSD: rf_threadstuff.c,v 1.5 1999/12/07 02:13:28 oster Exp $ */
/*
* rf_threadstuff.c
*/
/*
* Copyright (c) 1995 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Jim Zelenka
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
#include "rf_types.h"
#include "rf_threadstuff.h"
#include "rf_general.h"
#include "rf_shutdown.h"
static void mutex_destroyer(void *);
static void cond_destroyer(void *);
/*
* Shared stuff
*/
static void
mutex_destroyer(arg)
void *arg;
{
int rc;
rc = rf_mutex_destroy(arg);
if (rc) {
RF_ERRORMSG1("RAIDFRAME: Error %d auto-destroying mutex\n", rc);
}
}
static void
cond_destroyer(arg)
void *arg;
{
int rc;
rc = rf_cond_destroy(arg);
if (rc) {
RF_ERRORMSG1("RAIDFRAME: Error %d auto-destroying condition\n", rc);
}
}
int
_rf_create_managed_mutex(listp, m, file, line)
RF_ShutdownList_t **listp;
RF_DECLARE_MUTEX(*m)
char *file;
int line;
{
int rc, rc1;
rc = rf_mutex_init(m);
if (rc)
return (rc);
rc = _rf_ShutdownCreate(listp, mutex_destroyer, (void *) m, file, line);
if (rc) {
RF_ERRORMSG1("RAIDFRAME: Error %d adding shutdown entry\n", rc);
rc1 = rf_mutex_destroy(m);
if (rc1) {
RF_ERRORMSG1("RAIDFRAME: Error %d destroying mutex\n", rc1);
}
}
return (rc);
}
int
_rf_create_managed_cond(listp, c, file, line)
RF_ShutdownList_t **listp;
RF_DECLARE_COND(*c)
char *file;
int line;
{
int rc, rc1;
rc = rf_cond_init(c);
if (rc)
return (rc);
rc = _rf_ShutdownCreate(listp, cond_destroyer, (void *) c, file, line);
if (rc) {
RF_ERRORMSG1("RAIDFRAME: Error %d adding shutdown entry\n", rc);
rc1 = rf_cond_destroy(c);
if (rc1) {
RF_ERRORMSG1("RAIDFRAME: Error %d destroying cond\n", rc1);
}
}
return (rc);
}
int
_rf_init_managed_threadgroup(listp, g, file, line)
RF_ShutdownList_t **listp;
RF_ThreadGroup_t *g;
char *file;
int line;
{
int rc;
rc = _rf_create_managed_mutex(listp, &g->mutex, file, line);
if (rc)
return (rc);
rc = _rf_create_managed_cond(listp, &g->cond, file, line);
if (rc)
return (rc);
g->created = g->running = g->shutdown = 0;
return (0);
}
int
_rf_destroy_threadgroup(g, file, line)
RF_ThreadGroup_t *g;
char *file;
int line;
{
int rc1, rc2;
rc1 = rf_mutex_destroy(&g->mutex);
rc2 = rf_cond_destroy(&g->cond);
if (rc1)
return (rc1);
return (rc2);
}
int
_rf_init_threadgroup(g, file, line)
RF_ThreadGroup_t *g;
char *file;
int line;
{
int rc;
rc = rf_mutex_init(&g->mutex);
if (rc)
return (rc);
rc = rf_cond_init(&g->cond);
if (rc) {
rf_mutex_destroy(&g->mutex);
return (rc);
}
g->created = g->running = g->shutdown = 0;
return (0);
}
/*
* Kernel
*/
int
rf_mutex_init(m)
decl_simple_lock_data(, *m)
{
simple_lock_init(m);
return (0);
}
int
rf_mutex_destroy(m)
decl_simple_lock_data(, *m)
{
return (0);
}
int
rf_cond_init(c)
RF_DECLARE_COND(*c)
{
*c = 0; /* no reason */
return (0);
}
int
rf_cond_destroy(c)
RF_DECLARE_COND(*c)
{
return (0);
}
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