121 lines
3.4 KiB
C
121 lines
3.4 KiB
C
/* eventLib.h - events library header file */
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/*
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* Copyright (c) 2001-2003, 2008-2010 Wind River Systems, Inc.
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*
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* The right to copy, distribute, modify or otherwise make use
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* of this software may be licensed only pursuant to the terms
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* of an applicable Wind River license agreement.
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*/
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/*
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modification history
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--------------------
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01j,16jun10,pcs Change data type of timeout from an int to _Vx_ticks_t
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01i,29apr10,pad Moved extern C statement after include statements.
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01h,15may09,pcs Add new datatype _Vx_event_t.
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01g,12mar09,pcs Updated to add support for the LP64 data model.
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01f,23oct08,zl added interruptible events options.
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01e,18nov02,bwa Added EVENTS_KEEP_UNWANTED option (SPR 84417).
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01d,15jan02,bwa Removed events 25 to 32 from list of events available to user.
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01c,13nov01,bwa Changed EVENTxx defs to VXEVxx.
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01b,17oct01,bwa Added #include "vwModNum.h". Added 2 errnos.
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01a,20sep01,bwa Created
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*/
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#ifndef __INCeventLibh
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#define __INCeventLibh
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#include <vxWorks.h>
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#include <vwModNum.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* errnos */
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#define S_eventLib_TIMEOUT (M_eventLib | 0x0001)
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#define S_eventLib_NOT_ALL_EVENTS (M_eventLib | 0x0002)
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#define S_eventLib_ALREADY_REGISTERED (M_eventLib | 0x0003)
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#define S_eventLib_EVENTSEND_FAILED (M_eventLib | 0x0004)
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#define S_eventLib_ZERO_EVENTS (M_eventLib | 0x0005)
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#define S_eventLib_TASK_NOT_REGISTERED (M_eventLib | 0x0006)
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#define S_eventLib_NULL_TASKID_AT_INT_LEVEL (M_eventLib | 0x0007)
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/* options */
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#define EVENTS_WAIT_ALL 0x00 /* wait for all events to occur */
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#define EVENTS_WAIT_ANY 0x01 /* wait for one of many events */
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#define EVENTS_RETURN_ALL 0x02 /* return all events received */
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#define EVENTS_KEEP_UNWANTED 0x04 /* don't clear unwanted events */
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#define EVENTS_FETCH 0x80 /* return events received immediately */
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/* resource-related options */
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#define EVENTS_OPTIONS_NONE 0x00
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#define EVENTS_SEND_ONCE 0x01 /* unregister events after eventSend */
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#define EVENTS_ALLOW_OVERWRITE 0x02 /* can overwrite previous registration */
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#define EVENTS_SEND_IF_FREE 0x04 /* send events in xxxEvStart() */
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/* configuration options */
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#define EVENTS_NONINTERRUPTIBLE 0x00 /* signals don't wake up RTP tasks */
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#define EVENTS_INTERRUPTIBLE 0x01 /* signals wake up RTP tasks */
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/*
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* Defines for all 24 events available to users. Events 25 to 32 are reserved
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* for system use and should never be used outside of that scope
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*/
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#define VXEV01 0x00000001
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#define VXEV02 0x00000002
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#define VXEV03 0x00000004
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#define VXEV04 0x00000008
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#define VXEV05 0x00000010
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#define VXEV06 0x00000020
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#define VXEV07 0x00000040
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#define VXEV08 0x00000080
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#define VXEV09 0x00000100
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#define VXEV10 0x00000200
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#define VXEV11 0x00000400
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#define VXEV12 0x00000800
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#define VXEV13 0x00001000
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#define VXEV14 0x00002000
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#define VXEV15 0x00004000
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#define VXEV16 0x00008000
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#define VXEV17 0x00010000
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#define VXEV18 0x00020000
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#define VXEV19 0x00040000
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#define VXEV20 0x00080000
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#define VXEV21 0x00100000
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#define VXEV22 0x00200000
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#define VXEV23 0x00400000
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#define VXEV24 0x00800000
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#define VXEV_USER_MASK 0x00ffffff
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#ifndef _ASMLANGUAGE
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/* function declaration */
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typedef UINT32 _Vx_event_t;
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extern STATUS eventSend (TASK_ID taskId, _Vx_event_t events);
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extern STATUS eventReceive (
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_Vx_event_t events,
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UINT8 options,
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_Vx_ticks_t timeout,
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UINT32 *eventsReceived
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);
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extern STATUS eventClear (void);
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#endif /* _ASMLANGUAGE */
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#ifdef __cplusplus
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}
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#endif
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#endif /* __INCeventLibh */
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