1*b1cdbd2cSJim Jagielski /**************************************************************
2*b1cdbd2cSJim Jagielski *
3*b1cdbd2cSJim Jagielski * Licensed to the Apache Software Foundation (ASF) under one
4*b1cdbd2cSJim Jagielski * or more contributor license agreements. See the NOTICE file
5*b1cdbd2cSJim Jagielski * distributed with this work for additional information
6*b1cdbd2cSJim Jagielski * regarding copyright ownership. The ASF licenses this file
7*b1cdbd2cSJim Jagielski * to you under the Apache License, Version 2.0 (the
8*b1cdbd2cSJim Jagielski * "License"); you may not use this file except in compliance
9*b1cdbd2cSJim Jagielski * with the License. You may obtain a copy of the License at
10*b1cdbd2cSJim Jagielski *
11*b1cdbd2cSJim Jagielski * http://www.apache.org/licenses/LICENSE-2.0
12*b1cdbd2cSJim Jagielski *
13*b1cdbd2cSJim Jagielski * Unless required by applicable law or agreed to in writing,
14*b1cdbd2cSJim Jagielski * software distributed under the License is distributed on an
15*b1cdbd2cSJim Jagielski * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16*b1cdbd2cSJim Jagielski * KIND, either express or implied. See the License for the
17*b1cdbd2cSJim Jagielski * specific language governing permissions and limitations
18*b1cdbd2cSJim Jagielski * under the License.
19*b1cdbd2cSJim Jagielski *
20*b1cdbd2cSJim Jagielski *************************************************************/
21*b1cdbd2cSJim Jagielski
22*b1cdbd2cSJim Jagielski
23*b1cdbd2cSJim Jagielski
24*b1cdbd2cSJim Jagielski #include "system.h"
25*b1cdbd2cSJim Jagielski
26*b1cdbd2cSJim Jagielski #include <osl/conditn.h>
27*b1cdbd2cSJim Jagielski #include <osl/diagnose.h>
28*b1cdbd2cSJim Jagielski #include <osl/time.h>
29*b1cdbd2cSJim Jagielski
30*b1cdbd2cSJim Jagielski
31*b1cdbd2cSJim Jagielski
32*b1cdbd2cSJim Jagielski /*
33*b1cdbd2cSJim Jagielski under WIN32, we use the void* oslCondition
34*b1cdbd2cSJim Jagielski as a WIN32 HANDLE (which is also a 32-bit value)
35*b1cdbd2cSJim Jagielski */
36*b1cdbd2cSJim Jagielski
37*b1cdbd2cSJim Jagielski /*****************************************************************************/
38*b1cdbd2cSJim Jagielski /* osl_createCondition */
39*b1cdbd2cSJim Jagielski /*****************************************************************************/
osl_createCondition()40*b1cdbd2cSJim Jagielski oslCondition SAL_CALL osl_createCondition()
41*b1cdbd2cSJim Jagielski {
42*b1cdbd2cSJim Jagielski HEV hevCondition;
43*b1cdbd2cSJim Jagielski APIRET rc;
44*b1cdbd2cSJim Jagielski
45*b1cdbd2cSJim Jagielski rc = DosCreateEventSem( NULL, /* unnamed semaphore */
46*b1cdbd2cSJim Jagielski &hevCondition, /* pointer to variable */
47*b1cdbd2cSJim Jagielski /* for the sem-handle */
48*b1cdbd2cSJim Jagielski DC_SEM_SHARED, /* shared semaphore */
49*b1cdbd2cSJim Jagielski FALSE ); /* initial state is posted */
50*b1cdbd2cSJim Jagielski
51*b1cdbd2cSJim Jagielski if( rc == NO_ERROR )
52*b1cdbd2cSJim Jagielski return (oslCondition)hevCondition;
53*b1cdbd2cSJim Jagielski else
54*b1cdbd2cSJim Jagielski return NULL;
55*b1cdbd2cSJim Jagielski }
56*b1cdbd2cSJim Jagielski
57*b1cdbd2cSJim Jagielski /*****************************************************************************/
58*b1cdbd2cSJim Jagielski /* osl_destroyCondition */
59*b1cdbd2cSJim Jagielski /*****************************************************************************/
osl_destroyCondition(oslCondition Condition)60*b1cdbd2cSJim Jagielski void SAL_CALL osl_destroyCondition(oslCondition Condition)
61*b1cdbd2cSJim Jagielski {
62*b1cdbd2cSJim Jagielski if( Condition )
63*b1cdbd2cSJim Jagielski DosCloseEventSem( (HEV) Condition );
64*b1cdbd2cSJim Jagielski }
65*b1cdbd2cSJim Jagielski
66*b1cdbd2cSJim Jagielski /*****************************************************************************/
67*b1cdbd2cSJim Jagielski /* osl_setCondition */
68*b1cdbd2cSJim Jagielski /*****************************************************************************/
osl_setCondition(oslCondition Condition)69*b1cdbd2cSJim Jagielski sal_Bool SAL_CALL osl_setCondition(oslCondition Condition)
70*b1cdbd2cSJim Jagielski {
71*b1cdbd2cSJim Jagielski OSL_ASSERT(Condition);
72*b1cdbd2cSJim Jagielski
73*b1cdbd2cSJim Jagielski return DosPostEventSem((HEV)Condition) == NO_ERROR;
74*b1cdbd2cSJim Jagielski }
75*b1cdbd2cSJim Jagielski
76*b1cdbd2cSJim Jagielski /*****************************************************************************/
77*b1cdbd2cSJim Jagielski /* osl_resetCondition */
78*b1cdbd2cSJim Jagielski /*****************************************************************************/
osl_resetCondition(oslCondition Condition)79*b1cdbd2cSJim Jagielski sal_Bool SAL_CALL osl_resetCondition(oslCondition Condition)
80*b1cdbd2cSJim Jagielski {
81*b1cdbd2cSJim Jagielski ULONG ulPostCount;
82*b1cdbd2cSJim Jagielski
83*b1cdbd2cSJim Jagielski OSL_ASSERT(Condition);
84*b1cdbd2cSJim Jagielski
85*b1cdbd2cSJim Jagielski return DosResetEventSem((HEV)Condition, &ulPostCount) == NO_ERROR;
86*b1cdbd2cSJim Jagielski }
87*b1cdbd2cSJim Jagielski
88*b1cdbd2cSJim Jagielski /*****************************************************************************/
89*b1cdbd2cSJim Jagielski /* osl_waitCondition */
90*b1cdbd2cSJim Jagielski /*****************************************************************************/
osl_waitCondition(oslCondition Condition,const TimeValue * pTimeout)91*b1cdbd2cSJim Jagielski oslConditionResult SAL_CALL osl_waitCondition(oslCondition Condition, const TimeValue * pTimeout )
92*b1cdbd2cSJim Jagielski {
93*b1cdbd2cSJim Jagielski long nTimeout;
94*b1cdbd2cSJim Jagielski APIRET rc;
95*b1cdbd2cSJim Jagielski OSL_ASSERT(Condition);
96*b1cdbd2cSJim Jagielski
97*b1cdbd2cSJim Jagielski if( pTimeout )
98*b1cdbd2cSJim Jagielski nTimeout = pTimeout->Seconds * 1000 + pTimeout->Nanosec / 1000000;
99*b1cdbd2cSJim Jagielski else
100*b1cdbd2cSJim Jagielski nTimeout = SEM_INDEFINITE_WAIT;
101*b1cdbd2cSJim Jagielski
102*b1cdbd2cSJim Jagielski rc = DosWaitEventSem((HEV)Condition, nTimeout );
103*b1cdbd2cSJim Jagielski if( rc == ERROR_TIMEOUT )
104*b1cdbd2cSJim Jagielski return osl_cond_result_timeout;
105*b1cdbd2cSJim Jagielski if( rc != NO_ERROR )
106*b1cdbd2cSJim Jagielski return osl_cond_result_error;
107*b1cdbd2cSJim Jagielski
108*b1cdbd2cSJim Jagielski return osl_cond_result_ok;
109*b1cdbd2cSJim Jagielski }
110*b1cdbd2cSJim Jagielski
111*b1cdbd2cSJim Jagielski /*****************************************************************************/
112*b1cdbd2cSJim Jagielski /* osl_checkCondition */
113*b1cdbd2cSJim Jagielski /*****************************************************************************/
osl_checkCondition(oslCondition Condition)114*b1cdbd2cSJim Jagielski sal_Bool SAL_CALL osl_checkCondition(oslCondition Condition)
115*b1cdbd2cSJim Jagielski {
116*b1cdbd2cSJim Jagielski OSL_ASSERT(Condition);
117*b1cdbd2cSJim Jagielski
118*b1cdbd2cSJim Jagielski return( DosWaitEventSem((HEV)Condition, SEM_IMMEDIATE_RETURN) == NO_ERROR);
119*b1cdbd2cSJim Jagielski }
120*b1cdbd2cSJim Jagielski
121