| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| #include "system.h" |
| |
| #include <osl/conditn.h> |
| #include <osl/diagnose.h> |
| #include <osl/time.h> |
| |
| |
| |
| /* |
| under WIN32, we use the void* oslCondition |
| as a WIN32 HANDLE (which is also a 32-bit value) |
| */ |
| |
| /*****************************************************************************/ |
| /* osl_createCondition */ |
| /*****************************************************************************/ |
| oslCondition SAL_CALL osl_createCondition() |
| { |
| HEV hevCondition; |
| APIRET rc; |
| |
| rc = DosCreateEventSem( NULL, /* unnamed semaphore */ |
| &hevCondition, /* pointer to variable */ |
| /* for the sem-handle */ |
| DC_SEM_SHARED, /* shared semaphore */ |
| FALSE ); /* initial state is posted */ |
| |
| if( rc == NO_ERROR ) |
| return (oslCondition)hevCondition; |
| else |
| return NULL; |
| } |
| |
| /*****************************************************************************/ |
| /* osl_destroyCondition */ |
| /*****************************************************************************/ |
| void SAL_CALL osl_destroyCondition(oslCondition Condition) |
| { |
| if( Condition ) |
| DosCloseEventSem( (HEV) Condition ); |
| } |
| |
| /*****************************************************************************/ |
| /* osl_setCondition */ |
| /*****************************************************************************/ |
| sal_Bool SAL_CALL osl_setCondition(oslCondition Condition) |
| { |
| OSL_ASSERT(Condition); |
| |
| return DosPostEventSem((HEV)Condition) == NO_ERROR; |
| } |
| |
| /*****************************************************************************/ |
| /* osl_resetCondition */ |
| /*****************************************************************************/ |
| sal_Bool SAL_CALL osl_resetCondition(oslCondition Condition) |
| { |
| ULONG ulPostCount; |
| |
| OSL_ASSERT(Condition); |
| |
| return DosResetEventSem((HEV)Condition, &ulPostCount) == NO_ERROR; |
| } |
| |
| /*****************************************************************************/ |
| /* osl_waitCondition */ |
| /*****************************************************************************/ |
| oslConditionResult SAL_CALL osl_waitCondition(oslCondition Condition, const TimeValue * pTimeout ) |
| { |
| long nTimeout; |
| APIRET rc; |
| OSL_ASSERT(Condition); |
| |
| if( pTimeout ) |
| nTimeout = pTimeout->Seconds * 1000 + pTimeout->Nanosec / 1000000; |
| else |
| nTimeout = SEM_INDEFINITE_WAIT; |
| |
| rc = DosWaitEventSem((HEV)Condition, nTimeout ); |
| if( rc == ERROR_TIMEOUT ) |
| return osl_cond_result_timeout; |
| if( rc != NO_ERROR ) |
| return osl_cond_result_error; |
| |
| return osl_cond_result_ok; |
| } |
| |
| /*****************************************************************************/ |
| /* osl_checkCondition */ |
| /*****************************************************************************/ |
| sal_Bool SAL_CALL osl_checkCondition(oslCondition Condition) |
| { |
| OSL_ASSERT(Condition); |
| |
| return( DosWaitEventSem((HEV)Condition, SEM_IMMEDIATE_RETURN) == NO_ERROR); |
| } |
| |