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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 2004-2009 Oracle. All rights reserved.
*
* $Id$
*/
#include "db_config.h"
#include "db_int.h"
#ifdef HAVE_SYSTEM_INCLUDE_FILES
#include <tcl.h>
#endif
#include "dbinc/tcl_db.h"
#ifdef CONFIG_TEST
/*
* PUBLIC: int tcl_Mutex __P((Tcl_Interp *, int, Tcl_Obj * CONST*,
* PUBLIC: DB_ENV *));
*
* tcl_Mutex --
* Implements dbenv->mutex_alloc method.
*/
int
tcl_Mutex(interp, objc, objv, dbenv)
Tcl_Interp *interp; /* Interpreter */
int objc; /* How many arguments? */
Tcl_Obj *CONST objv[]; /* The argument objects */
DB_ENV *dbenv; /* Environment */
{
static const char *which[] = {
"-process_only",
"-self_block",
NULL
};
enum which {
PROCONLY,
SELFBLOCK
};
int arg, i, result, ret;
u_int32_t flags;
db_mutex_t indx;
Tcl_Obj *res;
result = TCL_OK;
flags = 0;
Tcl_ResetResult(interp);
if (objc < 2) {
Tcl_WrongNumArgs(interp, 2, objv,
"-proccess_only | -self_block");
return (TCL_ERROR);
}
i = 2;
while (i < objc) {
/*
* If there is an arg, make sure it is the right one.
*/
if (Tcl_GetIndexFromObj(interp, objv[i], which, "option",
TCL_EXACT, &arg) != TCL_OK)
return (IS_HELP(objv[i]));
i++;
switch ((enum which)arg) {
case PROCONLY:
flags |= DB_MUTEX_PROCESS_ONLY;
break;
case SELFBLOCK:
flags |= DB_MUTEX_SELF_BLOCK;
break;
}
}
res = NULL;
ret = dbenv->mutex_alloc(dbenv, flags, &indx);
if (ret != 0) {
result = _ReturnSetup(interp, ret, DB_RETOK_STD(ret),
"mutex_alloc");
Tcl_SetResult(interp, "allocation failed", TCL_STATIC);
} else {
res = Tcl_NewWideIntObj((Tcl_WideInt)indx);
Tcl_SetObjResult(interp, res);
}
return (result);
}
/*
* PUBLIC: int tcl_MutFree __P((Tcl_Interp *, int, Tcl_Obj * CONST*,
* PUBLIC: DB_ENV *));
*
* tcl_MutFree --
* Implements dbenv->mutex_free method.
*/
int
tcl_MutFree(interp, objc, objv, dbenv)
Tcl_Interp *interp; /* Interpreter */
int objc; /* How many arguments? */
Tcl_Obj *CONST objv[]; /* The argument objects */
DB_ENV *dbenv; /* Environment */
{
int result, ret;
db_mutex_t indx;
if (objc != 3) {
Tcl_WrongNumArgs(interp, 3, objv, "mutexid");
return (TCL_ERROR);
}
if ((result = _GetUInt32(interp, objv[2], &indx)) != TCL_OK)
return (result);
ret = dbenv->mutex_free(dbenv, indx);
return (_ReturnSetup(interp, ret, DB_RETOK_STD(ret), "env mutex_free"));
}
/*
* PUBLIC: int tcl_MutGet __P((Tcl_Interp *, DB_ENV *, int));
*
* tcl_MutGet --
* Implements dbenv->mutex_get_* methods.
*/
int
tcl_MutGet(interp, dbenv, op)
Tcl_Interp *interp; /* Interpreter */
DB_ENV *dbenv; /* Environment */
int op; /* Which item to get */
{
Tcl_Obj *res;
u_int32_t val;
int result, ret;
res = NULL;
val = 0;
ret = 0;
switch (op) {
case DBTCL_MUT_ALIGN:
ret = dbenv->mutex_get_align(dbenv, &val);
break;
case DBTCL_MUT_INCR:
ret = dbenv->mutex_get_increment(dbenv, &val);
break;
case DBTCL_MUT_MAX:
ret = dbenv->mutex_get_max(dbenv, &val);
break;
case DBTCL_MUT_TAS:
ret = dbenv->mutex_get_tas_spins(dbenv, &val);
break;
default:
return (TCL_ERROR);
}
if ((result = _ReturnSetup(interp, ret, DB_RETOK_STD(ret),
"mutex_get")) == TCL_OK) {
res = Tcl_NewLongObj((long)val);
Tcl_SetObjResult(interp, res);
}
return (result);
}
/*
* PUBLIC: int tcl_MutLock __P((Tcl_Interp *, int, Tcl_Obj * CONST*,
* PUBLIC: DB_ENV *));
*
* tcl_MutLock --
* Implements dbenv->mutex_lock method.
*/
int
tcl_MutLock(interp, objc, objv, dbenv)
Tcl_Interp *interp; /* Interpreter */
int objc; /* How many arguments? */
Tcl_Obj *CONST objv[]; /* The argument objects */
DB_ENV *dbenv; /* Environment */
{
int result, ret;
db_mutex_t indx;
if (objc != 3) {
Tcl_WrongNumArgs(interp, 3, objv, "mutexid");
return (TCL_ERROR);
}
if ((result = _GetUInt32(interp, objv[2], &indx)) != TCL_OK)
return (result);
ret = dbenv->mutex_lock(dbenv, indx);
return (_ReturnSetup(interp, ret, DB_RETOK_STD(ret), "env mutex_lock"));
}
/*
* PUBLIC: int tcl_MutSet __P((Tcl_Interp *, Tcl_Obj *,
* PUBLIC: DB_ENV *, int));
*
* tcl_MutSet --
* Implements dbenv->mutex_set methods.
*/
int
tcl_MutSet(interp, obj, dbenv, op)
Tcl_Interp *interp; /* Interpreter */
Tcl_Obj *obj; /* The argument object */
DB_ENV *dbenv; /* Environment */
int op; /* Which item to set */
{
int result, ret;
u_int32_t val;
if ((result = _GetUInt32(interp, obj, &val)) != TCL_OK)
return (result);
switch (op) {
case DBTCL_MUT_ALIGN:
ret = dbenv->mutex_set_align(dbenv, val);
break;
case DBTCL_MUT_INCR:
ret = dbenv->mutex_set_increment(dbenv, val);
break;
case DBTCL_MUT_MAX:
ret = dbenv->mutex_set_max(dbenv, val);
break;
case DBTCL_MUT_TAS:
ret = dbenv->mutex_set_tas_spins(dbenv, val);
break;
default:
return (TCL_ERROR);
}
return (_ReturnSetup(interp, ret, DB_RETOK_STD(ret), "env mutex_set"));
}
/*
* PUBLIC: int tcl_MutStat __P((Tcl_Interp *, int, Tcl_Obj * CONST*,
* PUBLIC: DB_ENV *));
*
* tcl_MutStat --
* Implements dbenv->mutex_stat method.
*/
int
tcl_MutStat(interp, objc, objv, dbenv)
Tcl_Interp *interp; /* Interpreter */
int objc; /* How many arguments? */
Tcl_Obj *CONST objv[]; /* The argument objects */
DB_ENV *dbenv; /* Environment */
{
DB_MUTEX_STAT *sp;
Tcl_Obj *res;
u_int32_t flag;
int result, ret;
char *arg;
result = TCL_OK;
flag = 0;
if (objc > 3) {
Tcl_WrongNumArgs(interp, 2, objv, "?-clear?");
return (TCL_ERROR);
}
if (objc == 3) {
arg = Tcl_GetStringFromObj(objv[2], NULL);
if (strcmp(arg, "-clear") == 0)
flag = DB_STAT_CLEAR;
else {
Tcl_SetResult(interp,
"db stat: unknown arg", TCL_STATIC);
return (TCL_ERROR);
}
}
_debug_check();
ret = dbenv->mutex_stat(dbenv, &sp, flag);
result = _ReturnSetup(interp, ret, DB_RETOK_STD(ret), "mutex stat");
if (result == TCL_ERROR)
return (result);
res = Tcl_NewObj();
MAKE_STAT_LIST("Mutex align", sp->st_mutex_align);
MAKE_STAT_LIST("Mutex TAS spins", sp->st_mutex_tas_spins);
MAKE_STAT_LIST("Mutex count", sp->st_mutex_cnt);
MAKE_STAT_LIST("Free mutexes", sp->st_mutex_free);
MAKE_STAT_LIST("Mutexes in use", sp->st_mutex_inuse);
MAKE_STAT_LIST("Max in use", sp->st_mutex_inuse_max);
MAKE_STAT_LIST("Mutex region size", sp->st_regsize);
MAKE_WSTAT_LIST("Number of region waits", sp->st_region_wait);
MAKE_WSTAT_LIST("Number of region no waits", sp->st_region_nowait);
Tcl_SetObjResult(interp, res);
/*
* The 'error' label is used by the MAKE_STAT_LIST macro.
* Therefore we cannot remove it, and also we know that
* sp is allocated at that time.
*/
error: __os_ufree(dbenv->env, sp);
return (result);
}
/*
* PUBLIC: int tcl_MutUnlock __P((Tcl_Interp *, int, Tcl_Obj * CONST*,
* PUBLIC: DB_ENV *));
*
* tcl_MutUnlock --
* Implements dbenv->mutex_unlock method.
*/
int
tcl_MutUnlock(interp, objc, objv, dbenv)
Tcl_Interp *interp; /* Interpreter */
int objc; /* How many arguments? */
Tcl_Obj *CONST objv[]; /* The argument objects */
DB_ENV *dbenv; /* Environment */
{
int result, ret;
db_mutex_t indx;
if (objc != 3) {
Tcl_WrongNumArgs(interp, 3, objv, "mutexid");
return (TCL_ERROR);
}
if ((result = _GetUInt32(interp, objv[2], &indx)) != TCL_OK)
return (result);
ret = dbenv->mutex_unlock(dbenv, indx);
return (_ReturnSetup(interp, ret, DB_RETOK_STD(ret),
"env mutex_unlock"));
}
#endif
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