1*647f063dSAndrew Rist /**************************************************************
2cdf0e10cSrcweir *
3*647f063dSAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one
4*647f063dSAndrew Rist * or more contributor license agreements. See the NOTICE file
5*647f063dSAndrew Rist * distributed with this work for additional information
6*647f063dSAndrew Rist * regarding copyright ownership. The ASF licenses this file
7*647f063dSAndrew Rist * to you under the Apache License, Version 2.0 (the
8*647f063dSAndrew Rist * "License"); you may not use this file except in compliance
9*647f063dSAndrew Rist * with the License. You may obtain a copy of the License at
10*647f063dSAndrew Rist *
11*647f063dSAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0
12*647f063dSAndrew Rist *
13*647f063dSAndrew Rist * Unless required by applicable law or agreed to in writing,
14*647f063dSAndrew Rist * software distributed under the License is distributed on an
15*647f063dSAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16*647f063dSAndrew Rist * KIND, either express or implied. See the License for the
17*647f063dSAndrew Rist * specific language governing permissions and limitations
18*647f063dSAndrew Rist * under the License.
19*647f063dSAndrew Rist *
20*647f063dSAndrew Rist *************************************************************/
21*647f063dSAndrew Rist
22*647f063dSAndrew Rist
23cdf0e10cSrcweir
24cdf0e10cSrcweir #include "system.h"
25cdf0e10cSrcweir
26cdf0e10cSrcweir #include <osl/conditn.h>
27cdf0e10cSrcweir #include <osl/diagnose.h>
28cdf0e10cSrcweir #include <osl/time.h>
29cdf0e10cSrcweir
30cdf0e10cSrcweir
31cdf0e10cSrcweir
32cdf0e10cSrcweir /*
33cdf0e10cSrcweir under WIN32, we use the void* oslCondition
34cdf0e10cSrcweir as a WIN32 HANDLE (which is also a 32-bit value)
35cdf0e10cSrcweir */
36cdf0e10cSrcweir
37cdf0e10cSrcweir /*****************************************************************************/
38cdf0e10cSrcweir /* osl_createCondition */
39cdf0e10cSrcweir /*****************************************************************************/
osl_createCondition()40cdf0e10cSrcweir oslCondition SAL_CALL osl_createCondition()
41cdf0e10cSrcweir {
42cdf0e10cSrcweir HEV hevCondition;
43cdf0e10cSrcweir APIRET rc;
44cdf0e10cSrcweir
45cdf0e10cSrcweir rc = DosCreateEventSem( NULL, /* unnamed semaphore */
46cdf0e10cSrcweir &hevCondition, /* pointer to variable */
47cdf0e10cSrcweir /* for the sem-handle */
48cdf0e10cSrcweir DC_SEM_SHARED, /* shared semaphore */
49cdf0e10cSrcweir FALSE ); /* initial state is posted */
50cdf0e10cSrcweir
51cdf0e10cSrcweir if( rc == NO_ERROR )
52cdf0e10cSrcweir return (oslCondition)hevCondition;
53cdf0e10cSrcweir else
54cdf0e10cSrcweir return NULL;
55cdf0e10cSrcweir }
56cdf0e10cSrcweir
57cdf0e10cSrcweir /*****************************************************************************/
58cdf0e10cSrcweir /* osl_destroyCondition */
59cdf0e10cSrcweir /*****************************************************************************/
osl_destroyCondition(oslCondition Condition)60cdf0e10cSrcweir void SAL_CALL osl_destroyCondition(oslCondition Condition)
61cdf0e10cSrcweir {
62cdf0e10cSrcweir if( Condition )
63cdf0e10cSrcweir DosCloseEventSem( (HEV) Condition );
64cdf0e10cSrcweir }
65cdf0e10cSrcweir
66cdf0e10cSrcweir /*****************************************************************************/
67cdf0e10cSrcweir /* osl_setCondition */
68cdf0e10cSrcweir /*****************************************************************************/
osl_setCondition(oslCondition Condition)69cdf0e10cSrcweir sal_Bool SAL_CALL osl_setCondition(oslCondition Condition)
70cdf0e10cSrcweir {
71cdf0e10cSrcweir OSL_ASSERT(Condition);
72cdf0e10cSrcweir
73cdf0e10cSrcweir return DosPostEventSem((HEV)Condition) == NO_ERROR;
74cdf0e10cSrcweir }
75cdf0e10cSrcweir
76cdf0e10cSrcweir /*****************************************************************************/
77cdf0e10cSrcweir /* osl_resetCondition */
78cdf0e10cSrcweir /*****************************************************************************/
osl_resetCondition(oslCondition Condition)79cdf0e10cSrcweir sal_Bool SAL_CALL osl_resetCondition(oslCondition Condition)
80cdf0e10cSrcweir {
81cdf0e10cSrcweir ULONG ulPostCount;
82cdf0e10cSrcweir
83cdf0e10cSrcweir OSL_ASSERT(Condition);
84cdf0e10cSrcweir
85cdf0e10cSrcweir return DosResetEventSem((HEV)Condition, &ulPostCount) == NO_ERROR;
86cdf0e10cSrcweir }
87cdf0e10cSrcweir
88cdf0e10cSrcweir /*****************************************************************************/
89cdf0e10cSrcweir /* osl_waitCondition */
90cdf0e10cSrcweir /*****************************************************************************/
osl_waitCondition(oslCondition Condition,const TimeValue * pTimeout)91cdf0e10cSrcweir oslConditionResult SAL_CALL osl_waitCondition(oslCondition Condition, const TimeValue * pTimeout )
92cdf0e10cSrcweir {
93cdf0e10cSrcweir long nTimeout;
94cdf0e10cSrcweir APIRET rc;
95cdf0e10cSrcweir OSL_ASSERT(Condition);
96cdf0e10cSrcweir
97cdf0e10cSrcweir if( pTimeout )
98cdf0e10cSrcweir nTimeout = pTimeout->Seconds * 1000 + pTimeout->Nanosec / 1000000;
99cdf0e10cSrcweir else
100cdf0e10cSrcweir nTimeout = SEM_INDEFINITE_WAIT;
101cdf0e10cSrcweir
102cdf0e10cSrcweir rc = DosWaitEventSem((HEV)Condition, nTimeout );
103cdf0e10cSrcweir if( rc == ERROR_TIMEOUT )
104cdf0e10cSrcweir return osl_cond_result_timeout;
105cdf0e10cSrcweir if( rc != NO_ERROR )
106cdf0e10cSrcweir return osl_cond_result_error;
107cdf0e10cSrcweir
108cdf0e10cSrcweir return osl_cond_result_ok;
109cdf0e10cSrcweir }
110cdf0e10cSrcweir
111cdf0e10cSrcweir /*****************************************************************************/
112cdf0e10cSrcweir /* osl_checkCondition */
113cdf0e10cSrcweir /*****************************************************************************/
osl_checkCondition(oslCondition Condition)114cdf0e10cSrcweir sal_Bool SAL_CALL osl_checkCondition(oslCondition Condition)
115cdf0e10cSrcweir {
116cdf0e10cSrcweir OSL_ASSERT(Condition);
117cdf0e10cSrcweir
118cdf0e10cSrcweir return( DosWaitEventSem((HEV)Condition, SEM_IMMEDIATE_RETURN) == NO_ERROR);
119cdf0e10cSrcweir }
120cdf0e10cSrcweir
121