iocInit.c File Reference

#include <stddef.h>
#include <stdlib.h>
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <limits.h>
#include "dbDefs.h"
#include "ellLib.h"
#include "envDefs.h"
#include "epicsExit.h"
#include "epicsGeneralTime.h"
#include "epicsPrint.h"
#include "epicsSignal.h"
#include "epicsThread.h"
#include "errMdef.h"
#include "iocsh.h"
#include "taskwd.h"
#include "caeventmask.h"
#include "epicsExport.h"
#include "alarm.h"
#include "asDbLib.h"
#include "callback.h"
#include "dbAccess.h"
#include "db_access_routines.h"
#include "dbAddr.h"
#include "dbBase.h"
#include "dbBkpt.h"
#include "dbCa.h"
#include "dbChannel.h"
#include "dbCommon.h"
#include "dbFldTypes.h"
#include "dbLock.h"
#include "dbNotify.h"
#include "dbScan.h"
#include "dbServer.h"
#include "dbStaticLib.h"
#include "dbStaticPvt.h"
#include "devSup.h"
#include "drvSup.h"
#include "epicsRelease.h"
#include "initHooks.h"
#include "iocInit.h"
#include "link.h"
#include "menuConvert.h"
#include "menuPini.h"
#include "recGbl.h"
#include "recSup.h"
#include "registryDeviceSupport.h"
#include "registryDriverSupport.h"
#include "registryJLinks.h"
#include "registryRecordType.h"

Include dependency graph for iocInit.c:

Go to the source code of this file.

Classes
struct	phaseData_t

Typedefs
typedef void(*	recIterFunc) (dbRecordType *rtyp, dbCommon *prec, void *user)

Enumerations
enum	{ buildServers, buildIsolated }

Functions
	epicsExportAddress (int, dbThreadRealtimeLock)
enum iocStateEnum	getIocState (void)
int	iocInit (void)
int	iocBuild (void)
int	iocBuildIsolated (void)
int	iocRun (void)
int	iocPause (void)
int	iocShutdown (void)

Variables
int	dbThreadRealtimeLock = 1

Typedef Documentation

typedef void(* recIterFunc) (dbRecordType *rtyp, dbCommon *prec, void *user)

Definition at line 93 of file iocInit.c.

Enumeration Type Documentation

anonymous enum

Enumerator
buildServers
buildIsolated

Definition at line 74 of file iocInit.c.

            {
    buildServers, buildIsolated
} iocBuildMode;

Function Documentation

epicsExportAddress	(	int	,
		dbThreadRealtimeLock
	)

enum iocStateEnum getIocState

(

void

)

Definition at line 100 of file iocInit.c.

{
    return iocState;
}

int iocBuild

(

void

)

Definition at line 196 of file iocInit.c.

{
    int status;

    status = iocBuild_1();
    if (status) return status;

    dbCaLinkInit();

    status = iocBuild_2();
    if (status) return status;

    dbInitServers();

    status = iocBuild_3();

    if (dbThreadRealtimeLock)
        epicsThreadRealtimeLock();

    if (!status) iocBuildMode = buildServers;
    return status;
}

int iocBuildIsolated

(

void

)

Definition at line 219 of file iocInit.c.

{
    int status;

    status = iocBuild_1();
    if (status) return status;

    dbCaLinkInitIsolated();

    status = iocBuild_2();
    if (status) return status;

    status = iocBuild_3();
    if (!status) iocBuildMode = buildIsolated;
    return status;
}

int iocInit

(

void

)

Definition at line 108 of file iocInit.c.

{
    return iocBuild() || iocRun();
}

int iocPause

(

void

)

Definition at line 267 of file iocInit.c.

{
    if (iocState != iocRunning) {
        errlogPrintf("iocPause: IOC not running\n");
        return -1;
    }
    initHookAnnounce(initHookAtIocPause);

    if (iocBuildMode == buildServers) {
        dbPauseServers();
        initHookAnnounce(initHookAfterCaServerPaused);
    }

    dbCaPause();
    scanPause();
    initHookAnnounce(initHookAfterDatabasePaused);

    iocState = iocPaused;
    errlogPrintf("iocPause: IOC suspended\n");
    initHookAnnounce(initHookAfterIocPaused);
    return 0;
}

int iocRun

(

void

)

Definition at line 236 of file iocInit.c.

{
    if (iocState != iocPaused && iocState != iocBuilt) {
        errlogPrintf("iocRun: IOC not paused\n");
        return -1;
    }
    initHookAnnounce(initHookAtIocRun);

   /* Enable scan tasks and some driver support functions.  */
    scanRun();
    dbCaRun();
    initHookAnnounce(initHookAfterDatabaseRunning);
    if (iocState == iocBuilt)
        initHookAnnounce(initHookAfterInterruptAccept);

    if (iocBuildMode == buildServers) {
        dbRunServers();
        initHookAnnounce(initHookAfterCaServerRunning);
    }

    if (iocState == iocBuilt)
        initHookAnnounce(initHookAtEnd);

    errlogPrintf("iocRun: %s\n", iocState == iocBuilt ?
        "All initialization complete" :
        "IOC restarted");
    iocState = iocRunning;
    initHookAnnounce(initHookAfterIocRunning);
    return 0;
}

int iocShutdown

(

void

)

Definition at line 709 of file iocInit.c.

{
    if (iocState == iocVoid) return 0;

    initHookAnnounce(initHookAtShutdown);

    iterateRecords(doCloseLinks, NULL);
    initHookAnnounce(initHookAfterCloseLinks);

    if (iocBuildMode == buildIsolated) {
        /* stop and "join" threads */
        scanStop();
        initHookAnnounce(initHookAfterStopScan);
        callbackStop();
        initHookAnnounce(initHookAfterStopCallback);
    } else {
        dbStopServers();
    }

    dbCaShutdown(); /* must be before dbFreeRecord and dbChannelExit */
    initHookAnnounce(initHookAfterStopLinks);

    if (iocBuildMode == buildIsolated) {
        /* free resources */
        initHookAnnounce(initHookBeforeFree);
        scanCleanup();
        callbackCleanup();

        iterateRecords(doFreeRecord, NULL);
        dbLockCleanupRecords(pdbbase);

        asShutdown();
        dbChannelExit();
        dbProcessNotifyExit();
        iocshFree();
    }

    iocState = iocVoid;
    iocBuildMode = buildServers;

    initHookAnnounce(initHookAfterShutdown);
    return 0;
}

Variable Documentation

int dbThreadRealtimeLock = 1

Definition at line 97 of file iocInit.c.